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| author |   Anthony G. Basile <blueness@gentoo.org> | 2013-12-02 15:52:16 -0500 |
|---|---|---|
| committer | Anthony G. Basile <blueness@gentoo.org> | 2013-12-02 15:52:16 -0500 |
| commit | 5607de60d2a17294b70fc775bd73ba4ec16dc856 (patch) | |
| tree | 71dc37628909ffdd50039bc0f5d8eaf5b370a1c0 /3.2.53/1031_linux-3.2.32.patch | |
| parent | Grsec/PaX: 3.0-{3.2.52,3.12.1}-201311261522 (diff) | |
| download | hardened-patchset-5607de60d2a17294b70fc775bd73ba4ec16dc856.tar.gz hardened-patchset-5607de60d2a17294b70fc775bd73ba4ec16dc856.tar.bz2 hardened-patchset-5607de60d2a17294b70fc775bd73ba4ec16dc856.zip | |
Grsec/PaX: 3.0-{3.2.53,3.12.2}-20131201111120131201
Diffstat (limited to '3.2.53/1031_linux-3.2.32.patch')
| -rw-r--r-- | 3.2.53/1031_linux-3.2.32.patch | 6206 |
1 files changed, 6206 insertions, 0 deletions
diff --git a/3.2.53/1031_linux-3.2.32.patch b/3.2.53/1031_linux-3.2.32.patch new file mode 100644 index 0000000..247fc0b --- /dev/null +++ b/3.2.53/1031_linux-3.2.32.patch @@ -0,0 +1,6206 @@ +diff --git a/Documentation/virtual/lguest/lguest.c b/Documentation/virtual/lguest/lguest.c +index c095d79..288dba6 100644 +--- a/Documentation/virtual/lguest/lguest.c ++++ b/Documentation/virtual/lguest/lguest.c +@@ -1299,6 +1299,7 @@ static struct device *new_device(const char *name, u16 type) + dev->feature_len = 0; + dev->num_vq = 0; + dev->running = false; ++ dev->next = NULL; + + /* + * Append to device list. Prepending to a single-linked list is +diff --git a/Makefile b/Makefile +index fd9c414..b6d8282 100644 +--- a/Makefile ++++ b/Makefile +@@ -1,6 +1,6 @@ + VERSION = 3 + PATCHLEVEL = 2 +-SUBLEVEL = 31 ++SUBLEVEL = 32 + EXTRAVERSION = + NAME = Saber-toothed Squirrel + +diff --git a/arch/arm/plat-omap/counter_32k.c b/arch/arm/plat-omap/counter_32k.c +index a6cbb71..04e703a 100644 +--- a/arch/arm/plat-omap/counter_32k.c ++++ b/arch/arm/plat-omap/counter_32k.c +@@ -82,22 +82,29 @@ static void notrace omap_update_sched_clock(void) + * nsecs and adds to a monotonically increasing timespec. + */ + static struct timespec persistent_ts; +-static cycles_t cycles, last_cycles; ++static cycles_t cycles; + static unsigned int persistent_mult, persistent_shift; ++static DEFINE_SPINLOCK(read_persistent_clock_lock); ++ + void read_persistent_clock(struct timespec *ts) + { + unsigned long long nsecs; +- cycles_t delta; +- struct timespec *tsp = &persistent_ts; ++ cycles_t last_cycles; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&read_persistent_clock_lock, flags); + + last_cycles = cycles; + cycles = timer_32k_base ? __raw_readl(timer_32k_base) : 0; +- delta = cycles - last_cycles; + +- nsecs = clocksource_cyc2ns(delta, persistent_mult, persistent_shift); ++ nsecs = clocksource_cyc2ns(cycles - last_cycles, ++ persistent_mult, persistent_shift); ++ ++ timespec_add_ns(&persistent_ts, nsecs); ++ ++ *ts = persistent_ts; + +- timespec_add_ns(tsp, nsecs); +- *ts = *tsp; ++ spin_unlock_irqrestore(&read_persistent_clock_lock, flags); + } + + int __init omap_init_clocksource_32k(void) +diff --git a/arch/mips/Makefile b/arch/mips/Makefile +index 0be3186..aaf7444 100644 +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -224,7 +224,7 @@ KBUILD_CPPFLAGS += -D"DATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0)" + LDFLAGS += -m $(ld-emul) + + ifdef CONFIG_MIPS +-CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -xc /dev/null | \ ++CHECKFLAGS += $(shell $(CC) $(KBUILD_CFLAGS) -dM -E -x c /dev/null | \ + egrep -vw '__GNUC_(|MINOR_|PATCHLEVEL_)_' | \ + sed -e "s/^\#define /-D'/" -e "s/ /'='/" -e "s/$$/'/") + ifdef CONFIG_64BIT +diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile +index 1a96618..ce7dd99 100644 +--- a/arch/mips/kernel/Makefile ++++ b/arch/mips/kernel/Makefile +@@ -102,7 +102,7 @@ obj-$(CONFIG_MIPS_MACHINE) += mips_machine.o + + obj-$(CONFIG_OF) += prom.o + +-CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -xc /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) ++CFLAGS_cpu-bugs64.o = $(shell if $(CC) $(KBUILD_CFLAGS) -Wa,-mdaddi -c -o /dev/null -x c /dev/null >/dev/null 2>&1; then echo "-DHAVE_AS_SET_DADDI"; fi) + + obj-$(CONFIG_HAVE_STD_PC_SERIAL_PORT) += 8250-platform.o + +diff --git a/arch/mn10300/Makefile b/arch/mn10300/Makefile +index 7120282..3eb4a52 100644 +--- a/arch/mn10300/Makefile ++++ b/arch/mn10300/Makefile +@@ -26,7 +26,7 @@ CHECKFLAGS += + PROCESSOR := unset + UNIT := unset + +-KBUILD_CFLAGS += -mam33 -mmem-funcs -DCPU=AM33 ++KBUILD_CFLAGS += -mam33 -DCPU=AM33 $(call cc-option,-mmem-funcs,) + KBUILD_AFLAGS += -mam33 -DCPU=AM33 + + ifeq ($(CONFIG_MN10300_CURRENT_IN_E2),y) +diff --git a/arch/powerpc/platforms/pseries/eeh_driver.c b/arch/powerpc/platforms/pseries/eeh_driver.c +index 1b6cb10..a0a4e8a 100644 +--- a/arch/powerpc/platforms/pseries/eeh_driver.c ++++ b/arch/powerpc/platforms/pseries/eeh_driver.c +@@ -25,6 +25,7 @@ + #include <linux/delay.h> + #include <linux/interrupt.h> + #include <linux/irq.h> ++#include <linux/module.h> + #include <linux/pci.h> + #include <asm/eeh.h> + #include <asm/eeh_event.h> +@@ -41,6 +42,41 @@ static inline const char * pcid_name (struct pci_dev *pdev) + return ""; + } + ++/** ++ * eeh_pcid_get - Get the PCI device driver ++ * @pdev: PCI device ++ * ++ * The function is used to retrieve the PCI device driver for ++ * the indicated PCI device. Besides, we will increase the reference ++ * of the PCI device driver to prevent that being unloaded on ++ * the fly. Otherwise, kernel crash would be seen. ++ */ ++static inline struct pci_driver *eeh_pcid_get(struct pci_dev *pdev) ++{ ++ if (!pdev || !pdev->driver) ++ return NULL; ++ ++ if (!try_module_get(pdev->driver->driver.owner)) ++ return NULL; ++ ++ return pdev->driver; ++} ++ ++/** ++ * eeh_pcid_put - Dereference on the PCI device driver ++ * @pdev: PCI device ++ * ++ * The function is called to do dereference on the PCI device ++ * driver of the indicated PCI device. ++ */ ++static inline void eeh_pcid_put(struct pci_dev *pdev) ++{ ++ if (!pdev || !pdev->driver) ++ return; ++ ++ module_put(pdev->driver->driver.owner); ++} ++ + #if 0 + static void print_device_node_tree(struct pci_dn *pdn, int dent) + { +@@ -109,18 +145,20 @@ static void eeh_enable_irq(struct pci_dev *dev) + static int eeh_report_error(struct pci_dev *dev, void *userdata) + { + enum pci_ers_result rc, *res = userdata; +- struct pci_driver *driver = dev->driver; ++ struct pci_driver *driver; + + dev->error_state = pci_channel_io_frozen; + +- if (!driver) +- return 0; ++ driver = eeh_pcid_get(dev); ++ if (!driver) return 0; + + eeh_disable_irq(dev); + + if (!driver->err_handler || +- !driver->err_handler->error_detected) ++ !driver->err_handler->error_detected) { ++ eeh_pcid_put(dev); + return 0; ++ } + + rc = driver->err_handler->error_detected (dev, pci_channel_io_frozen); + +@@ -128,6 +166,7 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata) + if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; + if (*res == PCI_ERS_RESULT_NONE) *res = rc; + ++ eeh_pcid_put(dev); + return 0; + } + +@@ -142,12 +181,15 @@ static int eeh_report_error(struct pci_dev *dev, void *userdata) + static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata) + { + enum pci_ers_result rc, *res = userdata; +- struct pci_driver *driver = dev->driver; ++ struct pci_driver *driver; + +- if (!driver || +- !driver->err_handler || +- !driver->err_handler->mmio_enabled) ++ driver = eeh_pcid_get(dev); ++ if (!driver) return 0; ++ if (!driver->err_handler || ++ !driver->err_handler->mmio_enabled) { ++ eeh_pcid_put(dev); + return 0; ++ } + + rc = driver->err_handler->mmio_enabled (dev); + +@@ -155,6 +197,7 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata) + if (rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; + if (*res == PCI_ERS_RESULT_NONE) *res = rc; + ++ eeh_pcid_put(dev); + return 0; + } + +@@ -165,18 +208,20 @@ static int eeh_report_mmio_enabled(struct pci_dev *dev, void *userdata) + static int eeh_report_reset(struct pci_dev *dev, void *userdata) + { + enum pci_ers_result rc, *res = userdata; +- struct pci_driver *driver = dev->driver; +- +- if (!driver) +- return 0; ++ struct pci_driver *driver; + + dev->error_state = pci_channel_io_normal; + ++ driver = eeh_pcid_get(dev); ++ if (!driver) return 0; ++ + eeh_enable_irq(dev); + + if (!driver->err_handler || +- !driver->err_handler->slot_reset) ++ !driver->err_handler->slot_reset) { ++ eeh_pcid_put(dev); + return 0; ++ } + + rc = driver->err_handler->slot_reset(dev); + if ((*res == PCI_ERS_RESULT_NONE) || +@@ -184,6 +229,7 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata) + if (*res == PCI_ERS_RESULT_DISCONNECT && + rc == PCI_ERS_RESULT_NEED_RESET) *res = rc; + ++ eeh_pcid_put(dev); + return 0; + } + +@@ -193,21 +239,24 @@ static int eeh_report_reset(struct pci_dev *dev, void *userdata) + + static int eeh_report_resume(struct pci_dev *dev, void *userdata) + { +- struct pci_driver *driver = dev->driver; ++ struct pci_driver *driver; + + dev->error_state = pci_channel_io_normal; + +- if (!driver) +- return 0; ++ driver = eeh_pcid_get(dev); ++ if (!driver) return 0; + + eeh_enable_irq(dev); + + if (!driver->err_handler || +- !driver->err_handler->resume) ++ !driver->err_handler->resume) { ++ eeh_pcid_put(dev); + return 0; ++ } + + driver->err_handler->resume(dev); + ++ eeh_pcid_put(dev); + return 0; + } + +@@ -220,21 +269,24 @@ static int eeh_report_resume(struct pci_dev *dev, void *userdata) + + static int eeh_report_failure(struct pci_dev *dev, void *userdata) + { +- struct pci_driver *driver = dev->driver; ++ struct pci_driver *driver; + + dev->error_state = pci_channel_io_perm_failure; + +- if (!driver) +- return 0; ++ driver = eeh_pcid_get(dev); ++ if (!driver) return 0; + + eeh_disable_irq(dev); + + if (!driver->err_handler || +- !driver->err_handler->error_detected) ++ !driver->err_handler->error_detected) { ++ eeh_pcid_put(dev); + return 0; ++ } + + driver->err_handler->error_detected(dev, pci_channel_io_perm_failure); + ++ eeh_pcid_put(dev); + return 0; + } + +diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h +index 18601c8..884507e 100644 +--- a/arch/x86/include/asm/pgtable.h ++++ b/arch/x86/include/asm/pgtable.h +@@ -146,8 +146,7 @@ static inline unsigned long pmd_pfn(pmd_t pmd) + + static inline int pmd_large(pmd_t pte) + { +- return (pmd_flags(pte) & (_PAGE_PSE | _PAGE_PRESENT)) == +- (_PAGE_PSE | _PAGE_PRESENT); ++ return pmd_flags(pte) & _PAGE_PSE; + } + + #ifdef CONFIG_TRANSPARENT_HUGEPAGE +@@ -415,7 +414,13 @@ static inline int pte_hidden(pte_t pte) + + static inline int pmd_present(pmd_t pmd) + { +- return pmd_flags(pmd) & _PAGE_PRESENT; ++ /* ++ * Checking for _PAGE_PSE is needed too because ++ * split_huge_page will temporarily clear the present bit (but ++ * the _PAGE_PSE flag will remain set at all times while the ++ * _PAGE_PRESENT bit is clear). ++ */ ++ return pmd_flags(pmd) & (_PAGE_PRESENT | _PAGE_PROTNONE | _PAGE_PSE); + } + + static inline int pmd_none(pmd_t pmd) +diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c +index 37718f0..4d320b2 100644 +--- a/arch/x86/platform/efi/efi.c ++++ b/arch/x86/platform/efi/efi.c +@@ -731,6 +731,7 @@ void __init efi_enter_virtual_mode(void) + * + * Call EFI services through wrapper functions. + */ ++ efi.runtime_version = efi_systab.fw_revision; + efi.get_time = virt_efi_get_time; + efi.set_time = virt_efi_set_time; + efi.get_wakeup_time = virt_efi_get_wakeup_time; +diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c +index 9ecec98..5016de5 100644 +--- a/drivers/acpi/bus.c ++++ b/drivers/acpi/bus.c +@@ -950,8 +950,6 @@ static int __init acpi_bus_init(void) + status = acpi_ec_ecdt_probe(); + /* Ignore result. Not having an ECDT is not fatal. */ + +- acpi_bus_osc_support(); +- + status = acpi_initialize_objects(ACPI_FULL_INITIALIZATION); + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX "Unable to initialize ACPI objects\n"); +@@ -959,6 +957,12 @@ static int __init acpi_bus_init(void) + } + + /* ++ * _OSC method may exist in module level code, ++ * so it must be run after ACPI_FULL_INITIALIZATION ++ */ ++ acpi_bus_osc_support(); ++ ++ /* + * _PDC control method may load dynamic SSDT tables, + * and we need to install the table handler before that. + */ +diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c +index 6f95d98..1f90dab 100644 +--- a/drivers/bluetooth/btusb.c ++++ b/drivers/bluetooth/btusb.c +@@ -108,7 +108,7 @@ static struct usb_device_id btusb_table[] = { + { USB_DEVICE(0x413c, 0x8197) }, + + /* Foxconn - Hon Hai */ +- { USB_DEVICE(0x0489, 0xe033) }, ++ { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, + + /*Broadcom devices with vendor specific id */ + { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, +diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c +index eedd547..5936691 100644 +--- a/drivers/char/ttyprintk.c ++++ b/drivers/char/ttyprintk.c +@@ -67,7 +67,7 @@ static int tpk_printk(const unsigned char *buf, int count) + tmp[tpk_curr + 1] = '\0'; + printk(KERN_INFO "%s%s", tpk_tag, tmp); + tpk_curr = 0; +- if (buf[i + 1] == '\n') ++ if ((i + 1) < count && buf[i + 1] == '\n') + i++; + break; + case '\n': +diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c +index b48967b..5991114 100644 +--- a/drivers/dma/dmaengine.c ++++ b/drivers/dma/dmaengine.c +@@ -564,8 +564,8 @@ void dmaengine_get(void) + list_del_rcu(&device->global_node); + break; + } else if (err) +- pr_err("dmaengine: failed to get %s: (%d)\n", +- dma_chan_name(chan), err); ++ pr_debug("%s: failed to get %s: (%d)\n", ++ __func__, dma_chan_name(chan), err); + } + } + +diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c +index 4799393..b97d4f0 100644 +--- a/drivers/firewire/core-cdev.c ++++ b/drivers/firewire/core-cdev.c +@@ -471,8 +471,8 @@ static int ioctl_get_info(struct client *client, union ioctl_arg *arg) + client->bus_reset_closure = a->bus_reset_closure; + if (a->bus_reset != 0) { + fill_bus_reset_event(&bus_reset, client); +- ret = copy_to_user(u64_to_uptr(a->bus_reset), +- &bus_reset, sizeof(bus_reset)); ++ /* unaligned size of bus_reset is 36 bytes */ ++ ret = copy_to_user(u64_to_uptr(a->bus_reset), &bus_reset, 36); + } + if (ret == 0 && list_empty(&client->link)) + list_add_tail(&client->link, &client->device->client_list); +diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c +index 0535c21..3e60e8d 100644 +--- a/drivers/firmware/efivars.c ++++ b/drivers/firmware/efivars.c +@@ -435,12 +435,23 @@ efivar_attr_read(struct efivar_entry *entry, char *buf) + if (status != EFI_SUCCESS) + return -EIO; + +- if (var->Attributes & 0x1) ++ if (var->Attributes & EFI_VARIABLE_NON_VOLATILE) + str += sprintf(str, "EFI_VARIABLE_NON_VOLATILE\n"); +- if (var->Attributes & 0x2) ++ if (var->Attributes & EFI_VARIABLE_BOOTSERVICE_ACCESS) + str += sprintf(str, "EFI_VARIABLE_BOOTSERVICE_ACCESS\n"); +- if (var->Attributes & 0x4) ++ if (var->Attributes & EFI_VARIABLE_RUNTIME_ACCESS) + str += sprintf(str, "EFI_VARIABLE_RUNTIME_ACCESS\n"); ++ if (var->Attributes & EFI_VARIABLE_HARDWARE_ERROR_RECORD) ++ str += sprintf(str, "EFI_VARIABLE_HARDWARE_ERROR_RECORD\n"); ++ if (var->Attributes & EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS) ++ str += sprintf(str, ++ "EFI_VARIABLE_AUTHENTICATED_WRITE_ACCESS\n"); ++ if (var->Attributes & ++ EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS) ++ str += sprintf(str, ++ "EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS\n"); ++ if (var->Attributes & EFI_VARIABLE_APPEND_WRITE) ++ str += sprintf(str, "EFI_VARIABLE_APPEND_WRITE\n"); + return str - buf; + } + +diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c +index e48e01e..33e1555 100644 +--- a/drivers/gpu/drm/i915/i915_gem.c ++++ b/drivers/gpu/drm/i915/i915_gem.c +@@ -1543,16 +1543,19 @@ i915_gem_object_move_to_active(struct drm_i915_gem_object *obj, + list_move_tail(&obj->ring_list, &ring->active_list); + + obj->last_rendering_seqno = seqno; +- if (obj->fenced_gpu_access) { +- struct drm_i915_fence_reg *reg; +- +- BUG_ON(obj->fence_reg == I915_FENCE_REG_NONE); + ++ if (obj->fenced_gpu_access) { + obj->last_fenced_seqno = seqno; + obj->last_fenced_ring = ring; + +- reg = &dev_priv->fence_regs[obj->fence_reg]; +- list_move_tail(®->lru_list, &dev_priv->mm.fence_list); ++ /* Bump MRU to take account of the delayed flush */ ++ if (obj->fence_reg != I915_FENCE_REG_NONE) { ++ struct drm_i915_fence_reg *reg; ++ ++ reg = &dev_priv->fence_regs[obj->fence_reg]; ++ list_move_tail(®->lru_list, ++ &dev_priv->mm.fence_list); ++ } + } + } + +@@ -1561,6 +1564,7 @@ i915_gem_object_move_off_active(struct drm_i915_gem_object *obj) + { + list_del_init(&obj->ring_list); + obj->last_rendering_seqno = 0; ++ obj->last_fenced_seqno = 0; + } + + static void +@@ -1589,6 +1593,7 @@ i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj) + BUG_ON(!list_empty(&obj->gpu_write_list)); + BUG_ON(!obj->active); + obj->ring = NULL; ++ obj->last_fenced_ring = NULL; + + i915_gem_object_move_off_active(obj); + obj->fenced_gpu_access = false; +diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c +index a6c2f7a..1202198 100644 +--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c ++++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c +@@ -574,7 +574,8 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring, + if (ret) + break; + } +- obj->pending_fenced_gpu_access = need_fence; ++ obj->pending_fenced_gpu_access = ++ !!(entry->flags & EXEC_OBJECT_NEEDS_FENCE); + } + + entry->offset = obj->gtt_offset; +diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c +index 31d334d..861223b 100644 +--- a/drivers/gpu/drm/i915/i915_gem_tiling.c ++++ b/drivers/gpu/drm/i915/i915_gem_tiling.c +@@ -107,10 +107,10 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev) + */ + swizzle_x = I915_BIT_6_SWIZZLE_NONE; + swizzle_y = I915_BIT_6_SWIZZLE_NONE; +- } else if (IS_MOBILE(dev)) { ++ } else if (IS_MOBILE(dev) || (IS_GEN3(dev) && !IS_G33(dev))) { + uint32_t dcc; + +- /* On mobile 9xx chipsets, channel interleave by the CPU is ++ /* On 9xx chipsets, channel interleave by the CPU is + * determined by DCC. For single-channel, neither the CPU + * nor the GPU do swizzling. For dual channel interleaved, + * the GPU's interleave is bit 9 and 10 for X tiled, and bit +diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c +index c8b5bc1..2812d7b 100644 +--- a/drivers/gpu/drm/i915/i915_irq.c ++++ b/drivers/gpu/drm/i915/i915_irq.c +@@ -530,6 +530,12 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) + if (de_iir & DE_GSE_IVB) + intel_opregion_gse_intr(dev); + ++ if (de_iir & DE_PIPEA_VBLANK_IVB) ++ drm_handle_vblank(dev, 0); ++ ++ if (de_iir & DE_PIPEB_VBLANK_IVB) ++ drm_handle_vblank(dev, 1); ++ + if (de_iir & DE_PLANEA_FLIP_DONE_IVB) { + intel_prepare_page_flip(dev, 0); + intel_finish_page_flip_plane(dev, 0); +@@ -540,12 +546,6 @@ static irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS) + intel_finish_page_flip_plane(dev, 1); + } + +- if (de_iir & DE_PIPEA_VBLANK_IVB) +- drm_handle_vblank(dev, 0); +- +- if (de_iir & DE_PIPEB_VBLANK_IVB) +- drm_handle_vblank(dev, 1); +- + /* check event from PCH */ + if (de_iir & DE_PCH_EVENT_IVB) { + if (pch_iir & SDE_HOTPLUG_MASK_CPT) +@@ -622,6 +622,12 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS) + if (de_iir & DE_GSE) + intel_opregion_gse_intr(dev); + ++ if (de_iir & DE_PIPEA_VBLANK) ++ drm_handle_vblank(dev, 0); ++ ++ if (de_iir & DE_PIPEB_VBLANK) ++ drm_handle_vblank(dev, 1); ++ + if (de_iir & DE_PLANEA_FLIP_DONE) { + intel_prepare_page_flip(dev, 0); + intel_finish_page_flip_plane(dev, 0); +@@ -632,12 +638,6 @@ static irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS) + intel_finish_page_flip_plane(dev, 1); + } + +- if (de_iir & DE_PIPEA_VBLANK) +- drm_handle_vblank(dev, 0); +- +- if (de_iir & DE_PIPEB_VBLANK) +- drm_handle_vblank(dev, 1); +- + /* check event from PCH */ + if (de_iir & DE_PCH_EVENT) { + if (pch_iir & hotplug_mask) +diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h +index 4a5e662..a294a32 100644 +--- a/drivers/gpu/drm/i915/i915_reg.h ++++ b/drivers/gpu/drm/i915/i915_reg.h +@@ -401,6 +401,9 @@ + # define VS_TIMER_DISPATCH (1 << 6) + # define MI_FLUSH_ENABLE (1 << 11) + ++#define GEN6_GT_MODE 0x20d0 ++#define GEN6_GT_MODE_HI (1 << 9) ++ + #define GFX_MODE 0x02520 + #define GFX_MODE_GEN7 0x0229c + #define GFX_RUN_LIST_ENABLE (1<<15) +@@ -1557,6 +1560,10 @@ + + /* Video Data Island Packet control */ + #define VIDEO_DIP_DATA 0x61178 ++/* Read the description of VIDEO_DIP_DATA (before Haswel) or VIDEO_DIP_ECC ++ * (Haswell and newer) to see which VIDEO_DIP_DATA byte corresponds to each byte ++ * of the infoframe structure specified by CEA-861. */ ++#define VIDEO_DIP_DATA_SIZE 32 + #define VIDEO_DIP_CTL 0x61170 + #define VIDEO_DIP_ENABLE (1 << 31) + #define VIDEO_DIP_PORT_B (1 << 29) +diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c +index 6c3fb44..adac0dd 100644 +--- a/drivers/gpu/drm/i915/intel_display.c ++++ b/drivers/gpu/drm/i915/intel_display.c +@@ -2850,13 +2850,34 @@ static void intel_clear_scanline_wait(struct drm_device *dev) + I915_WRITE_CTL(ring, tmp); + } + ++static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc) ++{ ++ struct drm_device *dev = crtc->dev; ++ struct drm_i915_private *dev_priv = dev->dev_private; ++ unsigned long flags; ++ bool pending; ++ ++ if (atomic_read(&dev_priv->mm.wedged)) ++ return false; ++ ++ spin_lock_irqsave(&dev->event_lock, flags); ++ pending = to_intel_crtc(crtc)->unpin_work != NULL; ++ spin_unlock_irqrestore(&dev->event_lock, flags); ++ ++ return pending; ++} ++ + static void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc) + { + struct drm_device *dev = crtc->dev; ++ struct drm_i915_private *dev_priv = dev->dev_private; + + if (crtc->fb == NULL) + return; + ++ wait_event(dev_priv->pending_flip_queue, ++ !intel_crtc_has_pending_flip(crtc)); ++ + mutex_lock(&dev->struct_mutex); + intel_finish_fb(crtc->fb); + mutex_unlock(&dev->struct_mutex); +@@ -5027,7 +5048,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc, + /* default to 8bpc */ + pipeconf &= ~(PIPECONF_BPP_MASK | PIPECONF_DITHER_EN); + if (is_dp) { +- if (mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { ++ if (adjusted_mode->private_flags & INTEL_MODE_DP_FORCE_6BPC) { + pipeconf |= PIPECONF_BPP_6 | + PIPECONF_DITHER_EN | + PIPECONF_DITHER_TYPE_SP; +@@ -5495,7 +5516,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc, + /* determine panel color depth */ + temp = I915_READ(PIPECONF(pipe)); + temp &= ~PIPE_BPC_MASK; +- dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, mode); ++ dither = intel_choose_pipe_bpp_dither(crtc, &pipe_bpp, adjusted_mode); + switch (pipe_bpp) { + case 18: + temp |= PIPE_6BPC; +@@ -6952,9 +6973,8 @@ static void do_intel_finish_page_flip(struct drm_device *dev, + + atomic_clear_mask(1 << intel_crtc->plane, + &obj->pending_flip.counter); +- if (atomic_read(&obj->pending_flip) == 0) +- wake_up(&dev_priv->pending_flip_queue); + ++ wake_up(&dev_priv->pending_flip_queue); + schedule_work(&work->work); + + trace_i915_flip_complete(intel_crtc->plane, work->pending_flip_obj); +@@ -7193,7 +7213,7 @@ static int intel_gen7_queue_flip(struct drm_device *dev, + default: + WARN_ONCE(1, "unknown plane in flip command\n"); + ret = -ENODEV; +- goto err; ++ goto err_unpin; + } + + ret = intel_ring_begin(ring, 4); +@@ -8278,6 +8298,11 @@ static void gen6_init_clock_gating(struct drm_device *dev) + DISPPLANE_TRICKLE_FEED_DISABLE); + intel_flush_display_plane(dev_priv, pipe); + } ++ ++ /* The default value should be 0x200 according to docs, but the two ++ * platforms I checked have a 0 for this. (Maybe BIOS overrides?) */ ++ I915_WRITE(GEN6_GT_MODE, 0xffff << 16); ++ I915_WRITE(GEN6_GT_MODE, GEN6_GT_MODE_HI << 16 | GEN6_GT_MODE_HI); + } + + static void gen7_setup_fixed_func_scheduler(struct drm_i915_private *dev_priv) +diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c +index c2a64f4..497da2a 100644 +--- a/drivers/gpu/drm/i915/intel_hdmi.c ++++ b/drivers/gpu/drm/i915/intel_hdmi.c +@@ -138,14 +138,20 @@ static void i9xx_write_infoframe(struct drm_encoder *encoder, + + I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags); + ++ mmiowb(); + for (i = 0; i < len; i += 4) { + I915_WRITE(VIDEO_DIP_DATA, *data); + data++; + } ++ /* Write every possible data byte to force correct ECC calculation. */ ++ for (; i < VIDEO_DIP_DATA_SIZE; i += 4) ++ I915_WRITE(VIDEO_DIP_DATA, 0); ++ mmiowb(); + + flags |= intel_infoframe_flags(frame); + + I915_WRITE(VIDEO_DIP_CTL, VIDEO_DIP_ENABLE | val | port | flags); ++ POSTING_READ(VIDEO_DIP_CTL); + } + + static void ironlake_write_infoframe(struct drm_encoder *encoder, +@@ -168,14 +174,20 @@ static void ironlake_write_infoframe(struct drm_encoder *encoder, + + I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags); + ++ mmiowb(); + for (i = 0; i < len; i += 4) { + I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), *data); + data++; + } ++ /* Write every possible data byte to force correct ECC calculation. */ ++ for (; i < VIDEO_DIP_DATA_SIZE; i += 4) ++ I915_WRITE(TVIDEO_DIP_DATA(intel_crtc->pipe), 0); ++ mmiowb(); + + flags |= intel_infoframe_flags(frame); + + I915_WRITE(reg, VIDEO_DIP_ENABLE | val | flags); ++ POSTING_READ(reg); + } + static void intel_set_infoframe(struct drm_encoder *encoder, + struct dip_infoframe *frame) +@@ -546,10 +558,13 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg) + if (!HAS_PCH_SPLIT(dev)) { + intel_hdmi->write_infoframe = i9xx_write_infoframe; + I915_WRITE(VIDEO_DIP_CTL, 0); ++ POSTING_READ(VIDEO_DIP_CTL); + } else { + intel_hdmi->write_infoframe = ironlake_write_infoframe; +- for_each_pipe(i) ++ for_each_pipe(i) { + I915_WRITE(TVIDEO_DIP_CTL(i), 0); ++ POSTING_READ(TVIDEO_DIP_CTL(i)); ++ } + } + + drm_encoder_helper_add(&intel_encoder->base, &intel_hdmi_helper_funcs); +diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c +index fc0633c..b61f490 100644 +--- a/drivers/gpu/drm/radeon/evergreen.c ++++ b/drivers/gpu/drm/radeon/evergreen.c +@@ -37,6 +37,16 @@ + #define EVERGREEN_PFP_UCODE_SIZE 1120 + #define EVERGREEN_PM4_UCODE_SIZE 1376 + ++static const u32 crtc_offsets[6] = ++{ ++ EVERGREEN_CRTC0_REGISTER_OFFSET, ++ EVERGREEN_CRTC1_REGISTER_OFFSET, ++ EVERGREEN_CRTC2_REGISTER_OFFSET, ++ EVERGREEN_CRTC3_REGISTER_OFFSET, ++ EVERGREEN_CRTC4_REGISTER_OFFSET, ++ EVERGREEN_CRTC5_REGISTER_OFFSET ++}; ++ + static void evergreen_gpu_init(struct radeon_device *rdev); + void evergreen_fini(struct radeon_device *rdev); + void evergreen_pcie_gen2_enable(struct radeon_device *rdev); +@@ -66,6 +76,27 @@ void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev) + } + } + ++void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc) ++{ ++ int i; ++ ++ if (crtc >= rdev->num_crtc) ++ return; ++ ++ if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) { ++ for (i = 0; i < rdev->usec_timeout; i++) { ++ if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)) ++ break; ++ udelay(1); ++ } ++ for (i = 0; i < rdev->usec_timeout; i++) { ++ if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK) ++ break; ++ udelay(1); ++ } ++ } ++} ++ + void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc) + { + /* enable the pflip int */ +@@ -1065,116 +1096,88 @@ void evergreen_agp_enable(struct radeon_device *rdev) + + void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save) + { ++ u32 crtc_enabled, tmp, frame_count, blackout; ++ int i, j; ++ + save->vga_render_control = RREG32(VGA_RENDER_CONTROL); + save->vga_hdp_control = RREG32(VGA_HDP_CONTROL); + +- /* Stop all video */ ++ /* disable VGA render */ + WREG32(VGA_RENDER_CONTROL, 0); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1); +- if (rdev->num_crtc >= 4) { +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1); +- } +- if (rdev->num_crtc >= 6) { +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1); +- } +- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); +- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); +- if (rdev->num_crtc >= 4) { +- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); +- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); +- } +- if (rdev->num_crtc >= 6) { +- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); +- WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); +- } +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0); +- if (rdev->num_crtc >= 4) { +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0); +- } +- if (rdev->num_crtc >= 6) { +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0); +- WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0); ++ /* blank the display controllers */ ++ for (i = 0; i < rdev->num_crtc; i++) { ++ crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN; ++ if (crtc_enabled) { ++ save->crtc_enabled[i] = true; ++ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); ++ if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) { ++ dce4_wait_for_vblank(rdev, i); ++ tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; ++ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); ++ } ++ /* wait for the next frame */ ++ frame_count = radeon_get_vblank_counter(rdev, i); ++ for (j = 0; j < rdev->usec_timeout; j++) { ++ if (radeon_get_vblank_counter(rdev, i) != frame_count) ++ break; ++ udelay(1); ++ } ++ } + } + +- WREG32(D1VGA_CONTROL, 0); +- WREG32(D2VGA_CONTROL, 0); +- if (rdev->num_crtc >= 4) { +- WREG32(EVERGREEN_D3VGA_CONTROL, 0); +- WREG32(EVERGREEN_D4VGA_CONTROL, 0); +- } +- if (rdev->num_crtc >= 6) { +- WREG32(EVERGREEN_D5VGA_CONTROL, 0); +- WREG32(EVERGREEN_D6VGA_CONTROL, 0); ++ evergreen_mc_wait_for_idle(rdev); ++ ++ blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); ++ if ((blackout & BLACKOUT_MODE_MASK) != 1) { ++ /* Block CPU access */ ++ WREG32(BIF_FB_EN, 0); ++ /* blackout the MC */ ++ blackout &= ~BLACKOUT_MODE_MASK; ++ WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1); + } + } + + void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save) + { +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- +- if (rdev->num_crtc >= 4) { +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- } +- if (rdev->num_crtc >= 6) { +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET, +- upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET, +- (u32)rdev->mc.vram_start); ++ u32 tmp, frame_count; ++ int i, j; + +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET, ++ /* update crtc base addresses */ ++ for (i = 0; i < rdev->num_crtc; i++) { ++ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], + upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET, ++ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i], + upper_32_bits(rdev->mc.vram_start)); +- WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET, ++ WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i], + (u32)rdev->mc.vram_start); +- WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET, ++ WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i], + (u32)rdev->mc.vram_start); + } +- + WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start)); + WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start); +- /* Unlock host access */ ++ ++ /* unblackout the MC */ ++ tmp = RREG32(MC_SHARED_BLACKOUT_CNTL); ++ tmp &= ~BLACKOUT_MODE_MASK; ++ WREG32(MC_SHARED_BLACKOUT_CNTL, tmp); ++ /* allow CPU access */ ++ WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN); ++ ++ for (i = 0; i < rdev->num_crtc; i++) { ++ if (save->crtc_enabled) { ++ tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]); ++ tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE; ++ WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp); ++ /* wait for the next frame */ ++ frame_count = radeon_get_vblank_counter(rdev, i); ++ for (j = 0; j < rdev->usec_timeout; j++) { ++ if (radeon_get_vblank_counter(rdev, i) != frame_count) ++ break; ++ udelay(1); ++ } ++ } ++ } ++ /* Unlock vga access */ + WREG32(VGA_HDP_CONTROL, save->vga_hdp_control); + mdelay(1); + WREG32(VGA_RENDER_CONTROL, save->vga_render_control); +diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h +index 7d7f215..e022776 100644 +--- a/drivers/gpu/drm/radeon/evergreen_reg.h ++++ b/drivers/gpu/drm/radeon/evergreen_reg.h +@@ -210,7 +210,10 @@ + #define EVERGREEN_CRTC_CONTROL 0x6e70 + # define EVERGREEN_CRTC_MASTER_EN (1 << 0) + # define EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE (1 << 24) ++#define EVERGREEN_CRTC_BLANK_CONTROL 0x6e74 ++# define EVERGREEN_CRTC_BLANK_DATA_EN (1 << 8) + #define EVERGREEN_CRTC_STATUS 0x6e8c ++# define EVERGREEN_CRTC_V_BLANK (1 << 0) + #define EVERGREEN_CRTC_STATUS_POSITION 0x6e90 + #define EVERGREEN_MASTER_UPDATE_MODE 0x6ef8 + #define EVERGREEN_CRTC_UPDATE_LOCK 0x6ed4 +diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h +index 6ecd23f..fe44a95 100644 +--- a/drivers/gpu/drm/radeon/evergreend.h ++++ b/drivers/gpu/drm/radeon/evergreend.h +@@ -77,6 +77,10 @@ + + #define CONFIG_MEMSIZE 0x5428 + ++#define BIF_FB_EN 0x5490 ++#define FB_READ_EN (1 << 0) ++#define FB_WRITE_EN (1 << 1) ++ + #define CP_ME_CNTL 0x86D8 + #define CP_ME_HALT (1 << 28) + #define CP_PFP_HALT (1 << 26) +@@ -194,6 +198,9 @@ + #define NOOFCHAN_MASK 0x00003000 + #define MC_SHARED_CHREMAP 0x2008 + ++#define MC_SHARED_BLACKOUT_CNTL 0x20ac ++#define BLACKOUT_MODE_MASK 0x00000007 ++ + #define MC_ARB_RAMCFG 0x2760 + #define NOOFBANK_SHIFT 0 + #define NOOFBANK_MASK 0x00000003 +diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h +index 5ce9402..5aa6670 100644 +--- a/drivers/gpu/drm/radeon/radeon_asic.h ++++ b/drivers/gpu/drm/radeon/radeon_asic.h +@@ -386,6 +386,7 @@ void r700_cp_fini(struct radeon_device *rdev); + struct evergreen_mc_save { + u32 vga_render_control; + u32 vga_hdp_control; ++ bool crtc_enabled[RADEON_MAX_CRTCS]; + }; + + void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev); +diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c +index baa019e..4f9496e 100644 +--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c ++++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c +@@ -143,6 +143,16 @@ static bool radeon_msi_ok(struct radeon_device *rdev) + (rdev->pdev->subsystem_device == 0x01fd)) + return true; + ++ /* Gateway RS690 only seems to work with MSIs. */ ++ if ((rdev->pdev->device == 0x791f) && ++ (rdev->pdev->subsystem_vendor == 0x107b) && ++ (rdev->pdev->subsystem_device == 0x0185)) ++ return true; ++ ++ /* try and enable MSIs by default on all RS690s */ ++ if (rdev->family == CHIP_RS690) ++ return true; ++ + /* RV515 seems to have MSI issues where it loses + * MSI rearms occasionally. This leads to lockups and freezes. + * disable it by default. +diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c +index 78a665b..ebd6c51 100644 +--- a/drivers/gpu/drm/radeon/radeon_pm.c ++++ b/drivers/gpu/drm/radeon/radeon_pm.c +@@ -553,7 +553,9 @@ void radeon_pm_suspend(struct radeon_device *rdev) + void radeon_pm_resume(struct radeon_device *rdev) + { + /* set up the default clocks if the MC ucode is loaded */ +- if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) { ++ if ((rdev->family >= CHIP_BARTS) && ++ (rdev->family <= CHIP_CAYMAN) && ++ rdev->mc_fw) { + if (rdev->pm.default_vddc) + radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, + SET_VOLTAGE_TYPE_ASIC_VDDC); +@@ -608,7 +610,9 @@ int radeon_pm_init(struct radeon_device *rdev) + radeon_pm_print_states(rdev); + radeon_pm_init_profile(rdev); + /* set up the default clocks if the MC ucode is loaded */ +- if (ASIC_IS_DCE5(rdev) && rdev->mc_fw) { ++ if ((rdev->family >= CHIP_BARTS) && ++ (rdev->family <= CHIP_CAYMAN) && ++ rdev->mc_fw) { + if (rdev->pm.default_vddc) + radeon_atom_set_voltage(rdev, rdev->pm.default_vddc, + SET_VOLTAGE_TYPE_ASIC_VDDC); +diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c +index fe2fdbb..1740b82 100644 +--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c ++++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c +@@ -148,7 +148,7 @@ static int ipoib_stop(struct net_device *dev) + + netif_stop_queue(dev); + +- ipoib_ib_dev_down(dev, 0); ++ ipoib_ib_dev_down(dev, 1); + ipoib_ib_dev_stop(dev, 0); + + if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) { +diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +index e5069b4..80799c0 100644 +--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c ++++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +@@ -190,7 +190,9 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, + + mcast->mcmember = *mcmember; + +- /* Set the cached Q_Key before we attach if it's the broadcast group */ ++ /* Set the multicast MTU and cached Q_Key before we attach if it's ++ * the broadcast group. ++ */ + if (!memcmp(mcast->mcmember.mgid.raw, priv->dev->broadcast + 4, + sizeof (union ib_gid))) { + spin_lock_irq(&priv->lock); +@@ -198,10 +200,17 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast, + spin_unlock_irq(&priv->lock); + return -EAGAIN; + } ++ priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu)); + priv->qkey = be32_to_cpu(priv->broadcast->mcmember.qkey); + spin_unlock_irq(&priv->lock); + priv->tx_wr.wr.ud.remote_qkey = priv->qkey; + set_qkey = 1; ++ ++ if (!ipoib_cm_admin_enabled(dev)) { ++ rtnl_lock(); ++ dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu)); ++ rtnl_unlock(); ++ } + } + + if (!test_bit(IPOIB_MCAST_FLAG_SENDONLY, &mcast->flags)) { +@@ -590,14 +599,6 @@ void ipoib_mcast_join_task(struct work_struct *work) + return; + } + +- priv->mcast_mtu = IPOIB_UD_MTU(ib_mtu_enum_to_int(priv->broadcast->mcmember.mtu)); +- +- if (!ipoib_cm_admin_enabled(dev)) { +- rtnl_lock(); +- dev_set_mtu(dev, min(priv->mcast_mtu, priv->admin_mtu)); +- rtnl_unlock(); +- } +- + ipoib_dbg_mcast(priv, "successfully joined all multicast groups\n"); + + clear_bit(IPOIB_MCAST_RUN, &priv->flags); +diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c +index c76b051..4ec049d 100644 +--- a/drivers/infiniband/ulp/srp/ib_srp.c ++++ b/drivers/infiniband/ulp/srp/ib_srp.c +@@ -620,9 +620,9 @@ static void srp_reset_req(struct srp_target_port *target, struct srp_request *re + struct scsi_cmnd *scmnd = srp_claim_req(target, req, NULL); + + if (scmnd) { ++ srp_free_req(target, req, scmnd, 0); + scmnd->result = DID_RESET << 16; + scmnd->scsi_done(scmnd); +- srp_free_req(target, req, scmnd, 0); + } + } + +@@ -1669,6 +1669,7 @@ static int srp_abort(struct scsi_cmnd *scmnd) + SRP_TSK_ABORT_TASK); + srp_free_req(target, req, scmnd, 0); + scmnd->result = DID_ABORT << 16; ++ scmnd->scsi_done(scmnd); + + return SUCCESS; + } +diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c +index 96532bc..7be5fd9 100644 +--- a/drivers/input/mouse/synaptics.c ++++ b/drivers/input/mouse/synaptics.c +@@ -53,14 +53,19 @@ + #define ABS_POS_BITS 13 + + /* +- * Any position values from the hardware above the following limits are +- * treated as "wrapped around negative" values that have been truncated to +- * the 13-bit reporting range of the hardware. These are just reasonable +- * guesses and can be adjusted if hardware is found that operates outside +- * of these parameters. ++ * These values should represent the absolute maximum value that will ++ * be reported for a positive position value. Some Synaptics firmware ++ * uses this value to indicate a finger near the edge of the touchpad ++ * whose precise position cannot be determined. ++ * ++ * At least one touchpad is known to report positions in excess of this ++ * value which are actually negative values truncated to the 13-bit ++ * reporting range. These values have never been observed to be lower ++ * than 8184 (i.e. -8), so we treat all values greater than 8176 as ++ * negative and any other value as positive. + */ +-#define X_MAX_POSITIVE (((1 << ABS_POS_BITS) + XMAX) / 2) +-#define Y_MAX_POSITIVE (((1 << ABS_POS_BITS) + YMAX) / 2) ++#define X_MAX_POSITIVE 8176 ++#define Y_MAX_POSITIVE 8176 + + /* + * Synaptics touchpads report the y coordinate from bottom to top, which is +@@ -561,11 +566,21 @@ static int synaptics_parse_hw_state(const unsigned char buf[], + hw->right = (buf[0] & 0x02) ? 1 : 0; + } + +- /* Convert wrap-around values to negative */ ++ /* ++ * Convert wrap-around values to negative. (X|Y)_MAX_POSITIVE ++ * is used by some firmware to indicate a finger at the edge of ++ * the touchpad whose precise position cannot be determined, so ++ * convert these values to the maximum axis value. ++ */ + if (hw->x > X_MAX_POSITIVE) + hw->x -= 1 << ABS_POS_BITS; ++ else if (hw->x == X_MAX_POSITIVE) ++ hw->x = XMAX; ++ + if (hw->y > Y_MAX_POSITIVE) + hw->y -= 1 << ABS_POS_BITS; ++ else if (hw->y == Y_MAX_POSITIVE) ++ hw->y = YMAX; + + return 0; + } +diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c +index ccf347f..b9062c0 100644 +--- a/drivers/iommu/intel-iommu.c ++++ b/drivers/iommu/intel-iommu.c +@@ -563,7 +563,9 @@ static void domain_update_iommu_coherency(struct dmar_domain *domain) + { + int i; + +- domain->iommu_coherency = 1; ++ i = find_first_bit(&domain->iommu_bmp, g_num_of_iommus); ++ ++ domain->iommu_coherency = i < g_num_of_iommus ? 1 : 0; + + for_each_set_bit(i, &domain->iommu_bmp, g_num_of_iommus) { + if (!ecap_coherent(g_iommus[i]->ecap)) { +diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c +index 0e49c99..c06992e 100644 +--- a/drivers/media/rc/ite-cir.c ++++ b/drivers/media/rc/ite-cir.c +@@ -1473,6 +1473,7 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id + rdev = rc_allocate_device(); + if (!rdev) + goto failure; ++ itdev->rdev = rdev; + + ret = -ENODEV; + +@@ -1604,7 +1605,6 @@ static int ite_probe(struct pnp_dev *pdev, const struct pnp_device_id + if (ret) + goto failure; + +- itdev->rdev = rdev; + ite_pr(KERN_NOTICE, "driver has been successfully loaded\n"); + + return 0; +diff --git a/drivers/media/video/gspca/pac7302.c b/drivers/media/video/gspca/pac7302.c +index 1c44f78..6ddc769 100644 +--- a/drivers/media/video/gspca/pac7302.c ++++ b/drivers/media/video/gspca/pac7302.c +@@ -1197,6 +1197,8 @@ static const struct usb_device_id device_table[] = { + {USB_DEVICE(0x093a, 0x2629), .driver_info = FL_VFLIP}, + {USB_DEVICE(0x093a, 0x262a)}, + {USB_DEVICE(0x093a, 0x262c)}, ++ {USB_DEVICE(0x145f, 0x013c)}, ++ {USB_DEVICE(0x1ae7, 0x2001)}, /* SpeedLink Snappy Mic SL-6825-SBK */ + {} + }; + MODULE_DEVICE_TABLE(usb, device_table); +diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c +index d5fe43d..bc27065 100644 +--- a/drivers/mmc/host/omap_hsmmc.c ++++ b/drivers/mmc/host/omap_hsmmc.c +@@ -2188,9 +2188,7 @@ static int omap_hsmmc_suspend(struct device *dev) + } else { + host->suspended = 0; + if (host->pdata->resume) { +- ret = host->pdata->resume(&pdev->dev, +- host->slot_id); +- if (ret) ++ if (host->pdata->resume(&pdev->dev, host->slot_id)) + dev_dbg(mmc_dev(host->mmc), + "Unmask interrupt failed\n"); + } +diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c +index 0d33ff0..06af9e4 100644 +--- a/drivers/mmc/host/sdhci-s3c.c ++++ b/drivers/mmc/host/sdhci-s3c.c +@@ -601,7 +601,7 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) + + sdhci_remove_host(host, 1); + +- for (ptr = 0; ptr < 3; ptr++) { ++ for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { + if (sc->clk_bus[ptr]) { + clk_disable(sc->clk_bus[ptr]); + clk_put(sc->clk_bus[ptr]); +diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c +index d5505f3..559d30d 100644 +--- a/drivers/mmc/host/sh_mmcif.c ++++ b/drivers/mmc/host/sh_mmcif.c +@@ -1003,6 +1003,10 @@ static irqreturn_t sh_mmcif_intr(int irq, void *dev_id) + host->sd_error = true; + dev_dbg(&host->pd->dev, "int err state = %08x\n", state); + } ++ if (host->state == STATE_IDLE) { ++ dev_info(&host->pd->dev, "Spurious IRQ status 0x%x", state); ++ return IRQ_HANDLED; ++ } + if (state & ~(INT_CMD12RBE | INT_CMD12CRE)) + complete(&host->intr_wait); + else +diff --git a/drivers/mtd/maps/autcpu12-nvram.c b/drivers/mtd/maps/autcpu12-nvram.c +index e5bfd0e..0598d52 100644 +--- a/drivers/mtd/maps/autcpu12-nvram.c ++++ b/drivers/mtd/maps/autcpu12-nvram.c +@@ -43,7 +43,8 @@ struct map_info autcpu12_sram_map = { + + static int __init init_autcpu12_sram (void) + { +- int err, save0, save1; ++ map_word tmp, save0, save1; ++ int err; + + autcpu12_sram_map.virt = ioremap(0x12000000, SZ_128K); + if (!autcpu12_sram_map.virt) { +@@ -51,7 +52,7 @@ static int __init init_autcpu12_sram (void) + err = -EIO; + goto out; + } +- simple_map_init(&autcpu_sram_map); ++ simple_map_init(&autcpu12_sram_map); + + /* + * Check for 32K/128K +@@ -61,20 +62,22 @@ static int __init init_autcpu12_sram (void) + * Read and check result on ofs 0x0 + * Restore contents + */ +- save0 = map_read32(&autcpu12_sram_map,0); +- save1 = map_read32(&autcpu12_sram_map,0x10000); +- map_write32(&autcpu12_sram_map,~save0,0x10000); ++ save0 = map_read(&autcpu12_sram_map, 0); ++ save1 = map_read(&autcpu12_sram_map, 0x10000); ++ tmp.x[0] = ~save0.x[0]; ++ map_write(&autcpu12_sram_map, tmp, 0x10000); + /* if we find this pattern on 0x0, we have 32K size + * restore contents and exit + */ +- if ( map_read32(&autcpu12_sram_map,0) != save0) { +- map_write32(&autcpu12_sram_map,save0,0x0); ++ tmp = map_read(&autcpu12_sram_map, 0); ++ if (!map_word_equal(&autcpu12_sram_map, tmp, save0)) { ++ map_write(&autcpu12_sram_map, save0, 0x0); + goto map; + } + /* We have a 128K found, restore 0x10000 and set size + * to 128K + */ +- map_write32(&autcpu12_sram_map,save1,0x10000); ++ map_write(&autcpu12_sram_map, save1, 0x10000); + autcpu12_sram_map.size = SZ_128K; + + map: +diff --git a/drivers/mtd/mtdpart.c b/drivers/mtd/mtdpart.c +index a0bd2de..198da0a 100644 +--- a/drivers/mtd/mtdpart.c ++++ b/drivers/mtd/mtdpart.c +@@ -748,6 +748,8 @@ static const char *default_mtd_part_types[] = { + * partition parsers, specified in @types. However, if @types is %NULL, then + * the default list of parsers is used. The default list contains only the + * "cmdlinepart" and "ofpart" parsers ATM. ++ * Note: If there are more then one parser in @types, the kernel only takes the ++ * partitions parsed out by the first parser. + * + * This function may return: + * o a negative error code in case of failure +@@ -772,11 +774,12 @@ int parse_mtd_partitions(struct mtd_info *master, const char **types, + if (!parser) + continue; + ret = (*parser->parse_fn)(master, pparts, data); ++ put_partition_parser(parser); + if (ret > 0) { + printk(KERN_NOTICE "%d %s partitions found on MTD device %s\n", + ret, parser->name, master->name); ++ break; + } +- put_partition_parser(parser); + } + return ret; + } +diff --git a/drivers/mtd/nand/nand_bbt.c b/drivers/mtd/nand/nand_bbt.c +index f024375..532da04 100644 +--- a/drivers/mtd/nand/nand_bbt.c ++++ b/drivers/mtd/nand/nand_bbt.c +@@ -390,7 +390,7 @@ static int read_abs_bbts(struct mtd_info *mtd, uint8_t *buf, + /* Read the mirror version, if available */ + if (md && (md->options & NAND_BBT_VERSION)) { + scan_read_raw(mtd, buf, (loff_t)md->pages[0] << this->page_shift, +- mtd->writesize, td); ++ mtd->writesize, md); + md->version[0] = buf[bbt_get_ver_offs(mtd, md)]; + pr_info("Bad block table at page %d, version 0x%02X\n", + md->pages[0], md->version[0]); +diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c +index 83e8e1b..ade0da0 100644 +--- a/drivers/mtd/nand/nandsim.c ++++ b/drivers/mtd/nand/nandsim.c +@@ -2355,6 +2355,7 @@ static int __init ns_init_module(void) + uint64_t new_size = (uint64_t)nsmtd->erasesize << overridesize; + if (new_size >> overridesize != nsmtd->erasesize) { + NS_ERR("overridesize is too big\n"); ++ retval = -EINVAL; + goto err_exit; + } + /* N.B. This relies on nand_scan not doing anything with the size before we change it */ +diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c +index f745f00..297c965 100644 +--- a/drivers/mtd/nand/omap2.c ++++ b/drivers/mtd/nand/omap2.c +@@ -1132,7 +1132,8 @@ static int omap_nand_remove(struct platform_device *pdev) + /* Release NAND device, its internal structures and partitions */ + nand_release(&info->mtd); + iounmap(info->nand.IO_ADDR_R); +- kfree(&info->mtd); ++ release_mem_region(info->phys_base, NAND_IO_SIZE); ++ kfree(info); + return 0; + } + +diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c +index 6c3fb5a..1f9c363 100644 +--- a/drivers/mtd/ubi/build.c ++++ b/drivers/mtd/ubi/build.c +@@ -816,6 +816,11 @@ static int autoresize(struct ubi_device *ubi, int vol_id) + struct ubi_volume *vol = ubi->volumes[vol_id]; + int err, old_reserved_pebs = vol->reserved_pebs; + ++ if (ubi->ro_mode) { ++ ubi_warn("skip auto-resize because of R/O mode"); ++ return 0; ++ } ++ + /* + * Clear the auto-resize flag in the volume in-memory copy of the + * volume table, and 'ubi_resize_volume()' will propagate this change +diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c +index b99318e..b2b62de 100644 +--- a/drivers/mtd/ubi/scan.c ++++ b/drivers/mtd/ubi/scan.c +@@ -997,7 +997,7 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si, + return err; + goto adjust_mean_ec; + case UBI_IO_FF: +- if (ec_err) ++ if (ec_err || bitflips) + err = add_to_list(si, pnum, ec, 1, &si->erase); + else + err = add_to_list(si, pnum, ec, 0, &si->free); +diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c +index 5fedc33..d8f2b5b 100644 +--- a/drivers/net/can/mscan/mpc5xxx_can.c ++++ b/drivers/net/can/mscan/mpc5xxx_can.c +@@ -181,7 +181,7 @@ static u32 __devinit mpc512x_can_get_clock(struct platform_device *ofdev, + + if (!clock_name || !strcmp(clock_name, "sys")) { + sys_clk = clk_get(&ofdev->dev, "sys_clk"); +- if (!sys_clk) { ++ if (IS_ERR(sys_clk)) { + dev_err(&ofdev->dev, "couldn't get sys_clk\n"); + goto exit_unmap; + } +@@ -204,7 +204,7 @@ static u32 __devinit mpc512x_can_get_clock(struct platform_device *ofdev, + + if (clocksrc < 0) { + ref_clk = clk_get(&ofdev->dev, "ref_clk"); +- if (!ref_clk) { ++ if (IS_ERR(ref_clk)) { + dev_err(&ofdev->dev, "couldn't get ref_clk\n"); + goto exit_unmap; + } +diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c +index 0549261..c5f6b0e 100644 +--- a/drivers/net/ethernet/intel/e1000/e1000_main.c ++++ b/drivers/net/ethernet/intel/e1000/e1000_main.c +@@ -4720,8 +4720,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) + + netif_device_detach(netdev); + +- mutex_lock(&adapter->mutex); +- + if (netif_running(netdev)) { + WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags)); + e1000_down(adapter); +@@ -4729,10 +4727,8 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) + + #ifdef CONFIG_PM + retval = pci_save_state(pdev); +- if (retval) { +- mutex_unlock(&adapter->mutex); ++ if (retval) + return retval; +- } + #endif + + status = er32(STATUS); +@@ -4789,8 +4785,6 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) + if (netif_running(netdev)) + e1000_free_irq(adapter); + +- mutex_unlock(&adapter->mutex); +- + pci_disable_device(pdev); + + return 0; +diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c +index ed1be8a..4b43bc5 100644 +--- a/drivers/net/ethernet/realtek/r8169.c ++++ b/drivers/net/ethernet/realtek/r8169.c +@@ -327,6 +327,8 @@ enum rtl_registers { + Config0 = 0x51, + Config1 = 0x52, + Config2 = 0x53, ++#define PME_SIGNAL (1 << 5) /* 8168c and later */ ++ + Config3 = 0x54, + Config4 = 0x55, + Config5 = 0x56, +@@ -1360,7 +1362,6 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) + u16 reg; + u8 mask; + } cfg[] = { +- { WAKE_ANY, Config1, PMEnable }, + { WAKE_PHY, Config3, LinkUp }, + { WAKE_MAGIC, Config3, MagicPacket }, + { WAKE_UCAST, Config5, UWF }, +@@ -1368,16 +1369,32 @@ static void __rtl8169_set_wol(struct rtl8169_private *tp, u32 wolopts) + { WAKE_MCAST, Config5, MWF }, + { WAKE_ANY, Config5, LanWake } + }; ++ u8 options; + + RTL_W8(Cfg9346, Cfg9346_Unlock); + + for (i = 0; i < ARRAY_SIZE(cfg); i++) { +- u8 options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; ++ options = RTL_R8(cfg[i].reg) & ~cfg[i].mask; + if (wolopts & cfg[i].opt) + options |= cfg[i].mask; + RTL_W8(cfg[i].reg, options); + } + ++ switch (tp->mac_version) { ++ case RTL_GIGA_MAC_VER_01 ... RTL_GIGA_MAC_VER_17: ++ options = RTL_R8(Config1) & ~PMEnable; ++ if (wolopts) ++ options |= PMEnable; ++ RTL_W8(Config1, options); ++ break; ++ default: ++ options = RTL_R8(Config2) & ~PME_SIGNAL; ++ if (wolopts) ++ options |= PME_SIGNAL; ++ RTL_W8(Config2, options); ++ break; ++ } ++ + RTL_W8(Cfg9346, Cfg9346_Lock); + } + +diff --git a/drivers/net/rionet.c b/drivers/net/rionet.c +index 7145714..c0f097b 100644 +--- a/drivers/net/rionet.c ++++ b/drivers/net/rionet.c +@@ -79,6 +79,7 @@ static int rionet_capable = 1; + * on system trade-offs. + */ + static struct rio_dev **rionet_active; ++static int nact; /* total number of active rionet peers */ + + #define is_rionet_capable(src_ops, dst_ops) \ + ((src_ops & RIO_SRC_OPS_DATA_MSG) && \ +@@ -175,6 +176,7 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) + struct ethhdr *eth = (struct ethhdr *)skb->data; + u16 destid; + unsigned long flags; ++ int add_num = 1; + + local_irq_save(flags); + if (!spin_trylock(&rnet->tx_lock)) { +@@ -182,7 +184,10 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) + return NETDEV_TX_LOCKED; + } + +- if ((rnet->tx_cnt + 1) > RIONET_TX_RING_SIZE) { ++ if (is_multicast_ether_addr(eth->h_dest)) ++ add_num = nact; ++ ++ if ((rnet->tx_cnt + add_num) > RIONET_TX_RING_SIZE) { + netif_stop_queue(ndev); + spin_unlock_irqrestore(&rnet->tx_lock, flags); + printk(KERN_ERR "%s: BUG! Tx Ring full when queue awake!\n", +@@ -191,11 +196,16 @@ static int rionet_start_xmit(struct sk_buff *skb, struct net_device *ndev) + } + + if (is_multicast_ether_addr(eth->h_dest)) { ++ int count = 0; + for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size); + i++) +- if (rionet_active[i]) ++ if (rionet_active[i]) { + rionet_queue_tx_msg(skb, ndev, + rionet_active[i]); ++ if (count) ++ atomic_inc(&skb->users); ++ count++; ++ } + } else if (RIONET_MAC_MATCH(eth->h_dest)) { + destid = RIONET_GET_DESTID(eth->h_dest); + if (rionet_active[destid]) +@@ -220,14 +230,17 @@ static void rionet_dbell_event(struct rio_mport *mport, void *dev_id, u16 sid, u + if (info == RIONET_DOORBELL_JOIN) { + if (!rionet_active[sid]) { + list_for_each_entry(peer, &rionet_peers, node) { +- if (peer->rdev->destid == sid) ++ if (peer->rdev->destid == sid) { + rionet_active[sid] = peer->rdev; ++ nact++; ++ } + } + rio_mport_send_doorbell(mport, sid, + RIONET_DOORBELL_JOIN); + } + } else if (info == RIONET_DOORBELL_LEAVE) { + rionet_active[sid] = NULL; ++ nact--; + } else { + if (netif_msg_intr(rnet)) + printk(KERN_WARNING "%s: unhandled doorbell\n", +@@ -524,6 +537,7 @@ static int rionet_probe(struct rio_dev *rdev, const struct rio_device_id *id) + + rc = rionet_setup_netdev(rdev->net->hport, ndev); + rionet_check = 1; ++ nact = 0; + } + + /* +diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c +index 1883d39..f7e17a0 100644 +--- a/drivers/net/wireless/ath/ath9k/pci.c ++++ b/drivers/net/wireless/ath/ath9k/pci.c +@@ -122,8 +122,9 @@ static void ath_pci_aspm_init(struct ath_common *common) + if (!parent) + return; + +- if (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) { +- /* Bluetooth coexistance requires disabling ASPM. */ ++ if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) && ++ (AR_SREV_9285(ah))) { ++ /* Bluetooth coexistance requires disabling ASPM for AR9285. */ + pci_read_config_byte(pdev, pos + PCI_EXP_LNKCTL, &aspm); + aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); + pci_write_config_byte(pdev, pos + PCI_EXP_LNKCTL, aspm); +diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c +index dfee1b3..9005380 100644 +--- a/drivers/pci/probe.c ++++ b/drivers/pci/probe.c +@@ -658,8 +658,10 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max, + + /* Check if setup is sensible at all */ + if (!pass && +- (primary != bus->number || secondary <= bus->number)) { +- dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n"); ++ (primary != bus->number || secondary <= bus->number || ++ secondary > subordinate)) { ++ dev_info(&dev->dev, "bridge configuration invalid ([bus %02x-%02x]), reconfiguring\n", ++ secondary, subordinate); + broken = 1; + } + +diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c +index 0860181..4f1b10b 100644 +--- a/drivers/s390/scsi/zfcp_aux.c ++++ b/drivers/s390/scsi/zfcp_aux.c +@@ -519,6 +519,7 @@ struct zfcp_port *zfcp_port_enqueue(struct zfcp_adapter *adapter, u64 wwpn, + + rwlock_init(&port->unit_list_lock); + INIT_LIST_HEAD(&port->unit_list); ++ atomic_set(&port->units, 0); + + INIT_WORK(&port->gid_pn_work, zfcp_fc_port_did_lookup); + INIT_WORK(&port->test_link_work, zfcp_fc_link_test_work); +diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c +index 96f13ad8..79a6afe 100644 +--- a/drivers/s390/scsi/zfcp_ccw.c ++++ b/drivers/s390/scsi/zfcp_ccw.c +@@ -39,17 +39,23 @@ void zfcp_ccw_adapter_put(struct zfcp_adapter *adapter) + spin_unlock_irqrestore(&zfcp_ccw_adapter_ref_lock, flags); + } + +-static int zfcp_ccw_activate(struct ccw_device *cdev) +- ++/** ++ * zfcp_ccw_activate - activate adapter and wait for it to finish ++ * @cdev: pointer to belonging ccw device ++ * @clear: Status flags to clear. ++ * @tag: s390dbf trace record tag ++ */ ++static int zfcp_ccw_activate(struct ccw_device *cdev, int clear, char *tag) + { + struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev); + + if (!adapter) + return 0; + ++ zfcp_erp_clear_adapter_status(adapter, clear); + zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING); + zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, +- "ccresu2"); ++ tag); + zfcp_erp_wait(adapter); + flush_work(&adapter->scan_work); + +@@ -164,26 +170,29 @@ static int zfcp_ccw_set_online(struct ccw_device *cdev) + BUG_ON(!zfcp_reqlist_isempty(adapter->req_list)); + adapter->req_no = 0; + +- zfcp_ccw_activate(cdev); ++ zfcp_ccw_activate(cdev, 0, "ccsonl1"); + zfcp_ccw_adapter_put(adapter); + return 0; + } + + /** +- * zfcp_ccw_set_offline - set_offline function of zfcp driver ++ * zfcp_ccw_offline_sync - shut down adapter and wait for it to finish + * @cdev: pointer to belonging ccw device ++ * @set: Status flags to set. ++ * @tag: s390dbf trace record tag + * + * This function gets called by the common i/o layer and sets an adapter + * into state offline. + */ +-static int zfcp_ccw_set_offline(struct ccw_device *cdev) ++static int zfcp_ccw_offline_sync(struct ccw_device *cdev, int set, char *tag) + { + struct zfcp_adapter *adapter = zfcp_ccw_adapter_by_cdev(cdev); + + if (!adapter) + return 0; + +- zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1"); ++ zfcp_erp_set_adapter_status(adapter, set); ++ zfcp_erp_adapter_shutdown(adapter, 0, tag); + zfcp_erp_wait(adapter); + + zfcp_ccw_adapter_put(adapter); +@@ -191,6 +200,18 @@ static int zfcp_ccw_set_offline(struct ccw_device *cdev) + } + + /** ++ * zfcp_ccw_set_offline - set_offline function of zfcp driver ++ * @cdev: pointer to belonging ccw device ++ * ++ * This function gets called by the common i/o layer and sets an adapter ++ * into state offline. ++ */ ++static int zfcp_ccw_set_offline(struct ccw_device *cdev) ++{ ++ return zfcp_ccw_offline_sync(cdev, 0, "ccsoff1"); ++} ++ ++/** + * zfcp_ccw_notify - ccw notify function + * @cdev: pointer to belonging ccw device + * @event: indicates if adapter was detached or attached +@@ -207,6 +228,11 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event) + + switch (event) { + case CIO_GONE: ++ if (atomic_read(&adapter->status) & ++ ZFCP_STATUS_ADAPTER_SUSPENDED) { /* notification ignore */ ++ zfcp_dbf_hba_basic("ccnigo1", adapter); ++ break; ++ } + dev_warn(&cdev->dev, "The FCP device has been detached\n"); + zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1"); + break; +@@ -216,6 +242,11 @@ static int zfcp_ccw_notify(struct ccw_device *cdev, int event) + zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2"); + break; + case CIO_OPER: ++ if (atomic_read(&adapter->status) & ++ ZFCP_STATUS_ADAPTER_SUSPENDED) { /* notification ignore */ ++ zfcp_dbf_hba_basic("ccniop1", adapter); ++ break; ++ } + dev_info(&cdev->dev, "The FCP device is operational again\n"); + zfcp_erp_set_adapter_status(adapter, + ZFCP_STATUS_COMMON_RUNNING); +@@ -251,6 +282,28 @@ static void zfcp_ccw_shutdown(struct ccw_device *cdev) + zfcp_ccw_adapter_put(adapter); + } + ++static int zfcp_ccw_suspend(struct ccw_device *cdev) ++{ ++ zfcp_ccw_offline_sync(cdev, ZFCP_STATUS_ADAPTER_SUSPENDED, "ccsusp1"); ++ return 0; ++} ++ ++static int zfcp_ccw_thaw(struct ccw_device *cdev) ++{ ++ /* trace records for thaw and final shutdown during suspend ++ can only be found in system dump until the end of suspend ++ but not after resume because it's based on the memory image ++ right after the very first suspend (freeze) callback */ ++ zfcp_ccw_activate(cdev, 0, "ccthaw1"); ++ return 0; ++} ++ ++static int zfcp_ccw_resume(struct ccw_device *cdev) ++{ ++ zfcp_ccw_activate(cdev, ZFCP_STATUS_ADAPTER_SUSPENDED, "ccresu1"); ++ return 0; ++} ++ + struct ccw_driver zfcp_ccw_driver = { + .driver = { + .owner = THIS_MODULE, +@@ -263,7 +316,7 @@ struct ccw_driver zfcp_ccw_driver = { + .set_offline = zfcp_ccw_set_offline, + .notify = zfcp_ccw_notify, + .shutdown = zfcp_ccw_shutdown, +- .freeze = zfcp_ccw_set_offline, +- .thaw = zfcp_ccw_activate, +- .restore = zfcp_ccw_activate, ++ .freeze = zfcp_ccw_suspend, ++ .thaw = zfcp_ccw_thaw, ++ .restore = zfcp_ccw_resume, + }; +diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c +index fab2c25..8ed63aa 100644 +--- a/drivers/s390/scsi/zfcp_cfdc.c ++++ b/drivers/s390/scsi/zfcp_cfdc.c +@@ -293,7 +293,7 @@ void zfcp_cfdc_adapter_access_changed(struct zfcp_adapter *adapter) + } + read_unlock_irqrestore(&adapter->port_list_lock, flags); + +- shost_for_each_device(sdev, port->adapter->scsi_host) { ++ shost_for_each_device(sdev, adapter->scsi_host) { + zfcp_sdev = sdev_to_zfcp(sdev); + status = atomic_read(&zfcp_sdev->status); + if ((status & ZFCP_STATUS_COMMON_ACCESS_DENIED) || +diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c +index a9a816e..79b9848 100644 +--- a/drivers/s390/scsi/zfcp_dbf.c ++++ b/drivers/s390/scsi/zfcp_dbf.c +@@ -191,7 +191,7 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount, + length = min((u16)sizeof(struct qdio_buffer), + (u16)ZFCP_DBF_PAY_MAX_REC); + +- while ((char *)pl[payload->counter] && payload->counter < scount) { ++ while (payload->counter < scount && (char *)pl[payload->counter]) { + memcpy(payload->data, (char *)pl[payload->counter], length); + debug_event(dbf->pay, 1, payload, zfcp_dbf_plen(length)); + payload->counter++; +@@ -200,6 +200,26 @@ void zfcp_dbf_hba_def_err(struct zfcp_adapter *adapter, u64 req_id, u16 scount, + spin_unlock_irqrestore(&dbf->pay_lock, flags); + } + ++/** ++ * zfcp_dbf_hba_basic - trace event for basic adapter events ++ * @adapter: pointer to struct zfcp_adapter ++ */ ++void zfcp_dbf_hba_basic(char *tag, struct zfcp_adapter *adapter) ++{ ++ struct zfcp_dbf *dbf = adapter->dbf; ++ struct zfcp_dbf_hba *rec = &dbf->hba_buf; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&dbf->hba_lock, flags); ++ memset(rec, 0, sizeof(*rec)); ++ ++ memcpy(rec->tag, tag, ZFCP_DBF_TAG_LEN); ++ rec->id = ZFCP_DBF_HBA_BASIC; ++ ++ debug_event(dbf->hba, 1, rec, sizeof(*rec)); ++ spin_unlock_irqrestore(&dbf->hba_lock, flags); ++} ++ + static void zfcp_dbf_set_common(struct zfcp_dbf_rec *rec, + struct zfcp_adapter *adapter, + struct zfcp_port *port, +diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h +index 714f087..3ac7a4b 100644 +--- a/drivers/s390/scsi/zfcp_dbf.h ++++ b/drivers/s390/scsi/zfcp_dbf.h +@@ -154,6 +154,7 @@ enum zfcp_dbf_hba_id { + ZFCP_DBF_HBA_RES = 1, + ZFCP_DBF_HBA_USS = 2, + ZFCP_DBF_HBA_BIT = 3, ++ ZFCP_DBF_HBA_BASIC = 4, + }; + + /** +diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h +index ed5d921..f172b84 100644 +--- a/drivers/s390/scsi/zfcp_def.h ++++ b/drivers/s390/scsi/zfcp_def.h +@@ -77,6 +77,7 @@ struct zfcp_reqlist; + #define ZFCP_STATUS_ADAPTER_SIOSL_ISSUED 0x00000004 + #define ZFCP_STATUS_ADAPTER_XCONFIG_OK 0x00000008 + #define ZFCP_STATUS_ADAPTER_HOST_CON_INIT 0x00000010 ++#define ZFCP_STATUS_ADAPTER_SUSPENDED 0x00000040 + #define ZFCP_STATUS_ADAPTER_ERP_PENDING 0x00000100 + #define ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED 0x00000200 + #define ZFCP_STATUS_ADAPTER_DATA_DIV_ENABLED 0x00000400 +@@ -204,6 +205,7 @@ struct zfcp_port { + struct zfcp_adapter *adapter; /* adapter used to access port */ + struct list_head unit_list; /* head of logical unit list */ + rwlock_t unit_list_lock; /* unit list lock */ ++ atomic_t units; /* zfcp_unit count */ + atomic_t status; /* status of this remote port */ + u64 wwnn; /* WWNN if known */ + u64 wwpn; /* WWPN */ +diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h +index 2302e1c..ef9e502 100644 +--- a/drivers/s390/scsi/zfcp_ext.h ++++ b/drivers/s390/scsi/zfcp_ext.h +@@ -54,6 +54,7 @@ extern void zfcp_dbf_hba_fsf_res(char *, struct zfcp_fsf_req *); + extern void zfcp_dbf_hba_bit_err(char *, struct zfcp_fsf_req *); + extern void zfcp_dbf_hba_berr(struct zfcp_dbf *, struct zfcp_fsf_req *); + extern void zfcp_dbf_hba_def_err(struct zfcp_adapter *, u64, u16, void **); ++extern void zfcp_dbf_hba_basic(char *, struct zfcp_adapter *); + extern void zfcp_dbf_san_req(char *, struct zfcp_fsf_req *, u32); + extern void zfcp_dbf_san_res(char *, struct zfcp_fsf_req *); + extern void zfcp_dbf_san_in_els(char *, struct zfcp_fsf_req *); +@@ -158,6 +159,7 @@ extern void zfcp_scsi_dif_sense_error(struct scsi_cmnd *, int); + extern struct attribute_group zfcp_sysfs_unit_attrs; + extern struct attribute_group zfcp_sysfs_adapter_attrs; + extern struct attribute_group zfcp_sysfs_port_attrs; ++extern struct mutex zfcp_sysfs_port_units_mutex; + extern struct device_attribute *zfcp_sysfs_sdev_attrs[]; + extern struct device_attribute *zfcp_sysfs_shost_attrs[]; + +diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c +index e9a787e..8c849f0 100644 +--- a/drivers/s390/scsi/zfcp_fsf.c ++++ b/drivers/s390/scsi/zfcp_fsf.c +@@ -219,7 +219,7 @@ static void zfcp_fsf_status_read_handler(struct zfcp_fsf_req *req) + return; + } + +- zfcp_dbf_hba_fsf_uss("fssrh_2", req); ++ zfcp_dbf_hba_fsf_uss("fssrh_4", req); + + switch (sr_buf->status_type) { + case FSF_STATUS_READ_PORT_CLOSED: +@@ -771,12 +771,14 @@ out: + static void zfcp_fsf_abort_fcp_command_handler(struct zfcp_fsf_req *req) + { + struct scsi_device *sdev = req->data; +- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); ++ struct zfcp_scsi_dev *zfcp_sdev; + union fsf_status_qual *fsq = &req->qtcb->header.fsf_status_qual; + + if (req->status & ZFCP_STATUS_FSFREQ_ERROR) + return; + ++ zfcp_sdev = sdev_to_zfcp(sdev); ++ + switch (req->qtcb->header.fsf_status) { + case FSF_PORT_HANDLE_NOT_VALID: + if (fsq->word[0] == fsq->word[1]) { +@@ -885,7 +887,7 @@ static void zfcp_fsf_send_ct_handler(struct zfcp_fsf_req *req) + + switch (header->fsf_status) { + case FSF_GOOD: +- zfcp_dbf_san_res("fsscth1", req); ++ zfcp_dbf_san_res("fsscth2", req); + ct->status = 0; + break; + case FSF_SERVICE_CLASS_NOT_SUPPORTED: +@@ -1739,13 +1741,15 @@ static void zfcp_fsf_open_lun_handler(struct zfcp_fsf_req *req) + { + struct zfcp_adapter *adapter = req->adapter; + struct scsi_device *sdev = req->data; +- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); ++ struct zfcp_scsi_dev *zfcp_sdev; + struct fsf_qtcb_header *header = &req->qtcb->header; + struct fsf_qtcb_bottom_support *bottom = &req->qtcb->bottom.support; + + if (req->status & ZFCP_STATUS_FSFREQ_ERROR) + return; + ++ zfcp_sdev = sdev_to_zfcp(sdev); ++ + atomic_clear_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED | + ZFCP_STATUS_COMMON_ACCESS_BOXED | + ZFCP_STATUS_LUN_SHARED | +@@ -1856,11 +1860,13 @@ out: + static void zfcp_fsf_close_lun_handler(struct zfcp_fsf_req *req) + { + struct scsi_device *sdev = req->data; +- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); ++ struct zfcp_scsi_dev *zfcp_sdev; + + if (req->status & ZFCP_STATUS_FSFREQ_ERROR) + return; + ++ zfcp_sdev = sdev_to_zfcp(sdev); ++ + switch (req->qtcb->header.fsf_status) { + case FSF_PORT_HANDLE_NOT_VALID: + zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fscuh_1"); +@@ -1950,7 +1956,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi) + { + struct fsf_qual_latency_info *lat_in; + struct latency_cont *lat = NULL; +- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(scsi->device); ++ struct zfcp_scsi_dev *zfcp_sdev; + struct zfcp_blk_drv_data blktrc; + int ticks = req->adapter->timer_ticks; + +@@ -1965,6 +1971,7 @@ static void zfcp_fsf_req_trace(struct zfcp_fsf_req *req, struct scsi_cmnd *scsi) + + if (req->adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA && + !(req->status & ZFCP_STATUS_FSFREQ_ERROR)) { ++ zfcp_sdev = sdev_to_zfcp(scsi->device); + blktrc.flags |= ZFCP_BLK_LAT_VALID; + blktrc.channel_lat = lat_in->channel_lat * ticks; + blktrc.fabric_lat = lat_in->fabric_lat * ticks; +@@ -2002,12 +2009,14 @@ static void zfcp_fsf_fcp_handler_common(struct zfcp_fsf_req *req) + { + struct scsi_cmnd *scmnd = req->data; + struct scsi_device *sdev = scmnd->device; +- struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); ++ struct zfcp_scsi_dev *zfcp_sdev; + struct fsf_qtcb_header *header = &req->qtcb->header; + + if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ERROR)) + return; + ++ zfcp_sdev = sdev_to_zfcp(sdev); ++ + switch (header->fsf_status) { + case FSF_HANDLE_MISMATCH: + case FSF_PORT_HANDLE_NOT_VALID: +diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c +index e14da57..e76d003 100644 +--- a/drivers/s390/scsi/zfcp_qdio.c ++++ b/drivers/s390/scsi/zfcp_qdio.c +@@ -102,18 +102,22 @@ static void zfcp_qdio_int_resp(struct ccw_device *cdev, unsigned int qdio_err, + { + struct zfcp_qdio *qdio = (struct zfcp_qdio *) parm; + struct zfcp_adapter *adapter = qdio->adapter; +- struct qdio_buffer_element *sbale; + int sbal_no, sbal_idx; +- void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1]; +- u64 req_id; +- u8 scount; + + if (unlikely(qdio_err)) { +- memset(pl, 0, ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *)); + if (zfcp_adapter_multi_buffer_active(adapter)) { ++ void *pl[ZFCP_QDIO_MAX_SBALS_PER_REQ + 1]; ++ struct qdio_buffer_element *sbale; ++ u64 req_id; ++ u8 scount; ++ ++ memset(pl, 0, ++ ZFCP_QDIO_MAX_SBALS_PER_REQ * sizeof(void *)); + sbale = qdio->res_q[idx]->element; + req_id = (u64) sbale->addr; +- scount = sbale->scount + 1; /* incl. signaling SBAL */ ++ scount = min(sbale->scount + 1, ++ ZFCP_QDIO_MAX_SBALS_PER_REQ + 1); ++ /* incl. signaling SBAL */ + + for (sbal_no = 0; sbal_no < scount; sbal_no++) { + sbal_idx = (idx + sbal_no) % +diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c +index cdc4ff7..9e62210 100644 +--- a/drivers/s390/scsi/zfcp_sysfs.c ++++ b/drivers/s390/scsi/zfcp_sysfs.c +@@ -227,6 +227,8 @@ static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev, + static ZFCP_DEV_ATTR(adapter, port_rescan, S_IWUSR, NULL, + zfcp_sysfs_port_rescan_store); + ++DEFINE_MUTEX(zfcp_sysfs_port_units_mutex); ++ + static ssize_t zfcp_sysfs_port_remove_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +@@ -249,6 +251,16 @@ static ssize_t zfcp_sysfs_port_remove_store(struct device *dev, + else + retval = 0; + ++ mutex_lock(&zfcp_sysfs_port_units_mutex); ++ if (atomic_read(&port->units) > 0) { ++ retval = -EBUSY; ++ mutex_unlock(&zfcp_sysfs_port_units_mutex); ++ goto out; ++ } ++ /* port is about to be removed, so no more unit_add */ ++ atomic_set(&port->units, -1); ++ mutex_unlock(&zfcp_sysfs_port_units_mutex); ++ + write_lock_irq(&adapter->port_list_lock); + list_del(&port->list); + write_unlock_irq(&adapter->port_list_lock); +@@ -289,12 +301,14 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev, + { + struct zfcp_port *port = container_of(dev, struct zfcp_port, dev); + u64 fcp_lun; ++ int retval; + + if (strict_strtoull(buf, 0, (unsigned long long *) &fcp_lun)) + return -EINVAL; + +- if (zfcp_unit_add(port, fcp_lun)) +- return -EINVAL; ++ retval = zfcp_unit_add(port, fcp_lun); ++ if (retval) ++ return retval; + + return count; + } +diff --git a/drivers/s390/scsi/zfcp_unit.c b/drivers/s390/scsi/zfcp_unit.c +index 20796eb..4e6a535 100644 +--- a/drivers/s390/scsi/zfcp_unit.c ++++ b/drivers/s390/scsi/zfcp_unit.c +@@ -104,7 +104,7 @@ static void zfcp_unit_release(struct device *dev) + { + struct zfcp_unit *unit = container_of(dev, struct zfcp_unit, dev); + +- put_device(&unit->port->dev); ++ atomic_dec(&unit->port->units); + kfree(unit); + } + +@@ -119,16 +119,27 @@ static void zfcp_unit_release(struct device *dev) + int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun) + { + struct zfcp_unit *unit; ++ int retval = 0; ++ ++ mutex_lock(&zfcp_sysfs_port_units_mutex); ++ if (atomic_read(&port->units) == -1) { ++ /* port is already gone */ ++ retval = -ENODEV; ++ goto out; ++ } + + unit = zfcp_unit_find(port, fcp_lun); + if (unit) { + put_device(&unit->dev); +- return -EEXIST; ++ retval = -EEXIST; ++ goto out; + } + + unit = kzalloc(sizeof(struct zfcp_unit), GFP_KERNEL); +- if (!unit) +- return -ENOMEM; ++ if (!unit) { ++ retval = -ENOMEM; ++ goto out; ++ } + + unit->port = port; + unit->fcp_lun = fcp_lun; +@@ -139,28 +150,33 @@ int zfcp_unit_add(struct zfcp_port *port, u64 fcp_lun) + if (dev_set_name(&unit->dev, "0x%016llx", + (unsigned long long) fcp_lun)) { + kfree(unit); +- return -ENOMEM; ++ retval = -ENOMEM; ++ goto out; + } + +- get_device(&port->dev); +- + if (device_register(&unit->dev)) { + put_device(&unit->dev); +- return -ENOMEM; ++ retval = -ENOMEM; ++ goto out; + } + + if (sysfs_create_group(&unit->dev.kobj, &zfcp_sysfs_unit_attrs)) { + device_unregister(&unit->dev); +- return -EINVAL; ++ retval = -EINVAL; ++ goto out; + } + ++ atomic_inc(&port->units); /* under zfcp_sysfs_port_units_mutex ! */ ++ + write_lock_irq(&port->unit_list_lock); + list_add_tail(&unit->list, &port->unit_list); + write_unlock_irq(&port->unit_list_lock); + + zfcp_unit_scsi_scan(unit); + +- return 0; ++out: ++ mutex_unlock(&zfcp_sysfs_port_units_mutex); ++ return retval; + } + + /** +diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c +index 7e6eca4..59fc5a1 100644 +--- a/drivers/scsi/atp870u.c ++++ b/drivers/scsi/atp870u.c +@@ -1174,7 +1174,16 @@ wait_io1: + outw(val, tmport); + outb(2, 0x80); + TCM_SYNC: +- udelay(0x800); ++ /* ++ * The funny division into multiple delays is to accomodate ++ * arches like ARM where udelay() multiplies its argument by ++ * a large number to initialize a loop counter. To avoid ++ * overflow, the maximum supported udelay is 2000 microseconds. ++ * ++ * XXX it would be more polite to find a way to use msleep() ++ */ ++ mdelay(2); ++ udelay(48); + if ((inb(tmport) & 0x80) == 0x00) { /* bsy ? */ + outw(0, tmport--); + outb(0, tmport); +diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c +index 4ef0212..e5a4423 100644 +--- a/drivers/scsi/device_handler/scsi_dh_alua.c ++++ b/drivers/scsi/device_handler/scsi_dh_alua.c +@@ -578,8 +578,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h) + h->state = TPGS_STATE_STANDBY; + break; + case TPGS_STATE_OFFLINE: +- case TPGS_STATE_UNAVAILABLE: +- /* Path unusable for unavailable/offline */ ++ /* Path unusable */ + err = SCSI_DH_DEV_OFFLINED; + break; + default: +diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c +index be9aad8..22523aa 100644 +--- a/drivers/scsi/hpsa.c ++++ b/drivers/scsi/hpsa.c +@@ -532,12 +532,42 @@ static void set_performant_mode(struct ctlr_info *h, struct CommandList *c) + c->busaddr |= 1 | (h->blockFetchTable[c->Header.SGList] << 1); + } + ++static int is_firmware_flash_cmd(u8 *cdb) ++{ ++ return cdb[0] == BMIC_WRITE && cdb[6] == BMIC_FLASH_FIRMWARE; ++} ++ ++/* ++ * During firmware flash, the heartbeat register may not update as frequently ++ * as it should. So we dial down lockup detection during firmware flash. and ++ * dial it back up when firmware flash completes. ++ */ ++#define HEARTBEAT_SAMPLE_INTERVAL_DURING_FLASH (240 * HZ) ++#define HEARTBEAT_SAMPLE_INTERVAL (30 * HZ) ++static void dial_down_lockup_detection_during_fw_flash(struct ctlr_info *h, ++ struct CommandList *c) ++{ ++ if (!is_firmware_flash_cmd(c->Request.CDB)) ++ return; ++ atomic_inc(&h->firmware_flash_in_progress); ++ h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL_DURING_FLASH; ++} ++ ++static void dial_up_lockup_detection_on_fw_flash_complete(struct ctlr_info *h, ++ struct CommandList *c) ++{ ++ if (is_firmware_flash_cmd(c->Request.CDB) && ++ atomic_dec_and_test(&h->firmware_flash_in_progress)) ++ h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL; ++} ++ + static void enqueue_cmd_and_start_io(struct ctlr_info *h, + struct CommandList *c) + { + unsigned long flags; + + set_performant_mode(h, c); ++ dial_down_lockup_detection_during_fw_flash(h, c); + spin_lock_irqsave(&h->lock, flags); + addQ(&h->reqQ, c); + h->Qdepth++; +@@ -2926,7 +2956,7 @@ static void fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h, + c->Request.Timeout = 0; /* Don't time out */ + memset(&c->Request.CDB[0], 0, sizeof(c->Request.CDB)); + c->Request.CDB[0] = cmd; +- c->Request.CDB[1] = 0x03; /* Reset target above */ ++ c->Request.CDB[1] = HPSA_RESET_TYPE_LUN; + /* If bytes 4-7 are zero, it means reset the */ + /* LunID device */ + c->Request.CDB[4] = 0x00; +@@ -3032,6 +3062,7 @@ static inline int bad_tag(struct ctlr_info *h, u32 tag_index, + static inline void finish_cmd(struct CommandList *c, u32 raw_tag) + { + removeQ(c); ++ dial_up_lockup_detection_on_fw_flash_complete(c->h, c); + if (likely(c->cmd_type == CMD_SCSI)) + complete_scsi_command(c); + else if (c->cmd_type == CMD_IOCTL_PEND) +@@ -4172,9 +4203,6 @@ static void controller_lockup_detected(struct ctlr_info *h) + spin_unlock_irqrestore(&h->lock, flags); + } + +-#define HEARTBEAT_SAMPLE_INTERVAL (10 * HZ) +-#define HEARTBEAT_CHECK_MINIMUM_INTERVAL (HEARTBEAT_SAMPLE_INTERVAL / 2) +- + static void detect_controller_lockup(struct ctlr_info *h) + { + u64 now; +@@ -4185,7 +4213,7 @@ static void detect_controller_lockup(struct ctlr_info *h) + now = get_jiffies_64(); + /* If we've received an interrupt recently, we're ok. */ + if (time_after64(h->last_intr_timestamp + +- (HEARTBEAT_CHECK_MINIMUM_INTERVAL), now)) ++ (h->heartbeat_sample_interval), now)) + return; + + /* +@@ -4194,7 +4222,7 @@ static void detect_controller_lockup(struct ctlr_info *h) + * otherwise don't care about signals in this thread. + */ + if (time_after64(h->last_heartbeat_timestamp + +- (HEARTBEAT_CHECK_MINIMUM_INTERVAL), now)) ++ (h->heartbeat_sample_interval), now)) + return; + + /* If heartbeat has not changed since we last looked, we're not ok. */ +@@ -4236,6 +4264,7 @@ static void add_ctlr_to_lockup_detector_list(struct ctlr_info *h) + { + unsigned long flags; + ++ h->heartbeat_sample_interval = HEARTBEAT_SAMPLE_INTERVAL; + spin_lock_irqsave(&lockup_detector_lock, flags); + list_add_tail(&h->lockup_list, &hpsa_ctlr_list); + spin_unlock_irqrestore(&lockup_detector_lock, flags); +diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h +index 91edafb..c721509 100644 +--- a/drivers/scsi/hpsa.h ++++ b/drivers/scsi/hpsa.h +@@ -124,6 +124,8 @@ struct ctlr_info { + u64 last_intr_timestamp; + u32 last_heartbeat; + u64 last_heartbeat_timestamp; ++ u32 heartbeat_sample_interval; ++ atomic_t firmware_flash_in_progress; + u32 lockup_detected; + struct list_head lockup_list; + }; +diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h +index 3fd4715..e4ea0a3 100644 +--- a/drivers/scsi/hpsa_cmd.h ++++ b/drivers/scsi/hpsa_cmd.h +@@ -163,6 +163,7 @@ struct SenseSubsystem_info { + #define BMIC_WRITE 0x27 + #define BMIC_CACHE_FLUSH 0xc2 + #define HPSA_CACHE_FLUSH 0x01 /* C2 was already being used by HPSA */ ++#define BMIC_FLASH_FIRMWARE 0xF7 + + /* Command List Structure */ + union SCSI3Addr { +diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c +index 3d391dc..36aca4b 100644 +--- a/drivers/scsi/ibmvscsi/ibmvscsi.c ++++ b/drivers/scsi/ibmvscsi/ibmvscsi.c +@@ -1547,6 +1547,9 @@ static int ibmvscsi_do_host_config(struct ibmvscsi_host_data *hostdata, + + host_config = &evt_struct->iu.mad.host_config; + ++ /* The transport length field is only 16-bit */ ++ length = min(0xffff, length); ++ + /* Set up a lun reset SRP command */ + memset(host_config, 0x00, sizeof(*host_config)); + host_config->common.type = VIOSRP_HOST_CONFIG_TYPE; +diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c +index 83d08b6..5c8b0dc 100644 +--- a/drivers/scsi/isci/init.c ++++ b/drivers/scsi/isci/init.c +@@ -469,7 +469,6 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic + if (sci_oem_parameters_validate(&orom->ctrl[i])) { + dev_warn(&pdev->dev, + "[%d]: invalid oem parameters detected, falling back to firmware\n", i); +- devm_kfree(&pdev->dev, orom); + orom = NULL; + break; + } +diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c +index b5f4341..7cd637d 100644 +--- a/drivers/scsi/isci/probe_roms.c ++++ b/drivers/scsi/isci/probe_roms.c +@@ -104,7 +104,6 @@ struct isci_orom *isci_request_oprom(struct pci_dev *pdev) + + if (i >= len) { + dev_err(&pdev->dev, "oprom parse error\n"); +- devm_kfree(&pdev->dev, rom); + rom = NULL; + } + pci_unmap_biosrom(oprom); +diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c +index bb7c482..08d48a3 100644 +--- a/drivers/scsi/scsi_sysfs.c ++++ b/drivers/scsi/scsi_sysfs.c +@@ -1023,33 +1023,31 @@ static void __scsi_remove_target(struct scsi_target *starget) + void scsi_remove_target(struct device *dev) + { + struct Scsi_Host *shost = dev_to_shost(dev->parent); +- struct scsi_target *starget, *found; ++ struct scsi_target *starget, *last = NULL; + unsigned long flags; + +- restart: +- found = NULL; ++ /* remove targets being careful to lookup next entry before ++ * deleting the last ++ */ + spin_lock_irqsave(shost->host_lock, flags); + list_for_each_entry(starget, &shost->__targets, siblings) { + if (starget->state == STARGET_DEL) + continue; + if (starget->dev.parent == dev || &starget->dev == dev) { +- found = starget; +- found->reap_ref++; +- break; ++ /* assuming new targets arrive at the end */ ++ starget->reap_ref++; ++ spin_unlock_irqrestore(shost->host_lock, flags); ++ if (last) ++ scsi_target_reap(last); ++ last = starget; ++ __scsi_remove_target(starget); ++ spin_lock_irqsave(shost->host_lock, flags); + } + } + spin_unlock_irqrestore(shost->host_lock, flags); + +- if (found) { +- __scsi_remove_target(found); +- scsi_target_reap(found); +- /* in the case where @dev has multiple starget children, +- * continue removing. +- * +- * FIXME: does such a case exist? +- */ +- goto restart; +- } ++ if (last) ++ scsi_target_reap(last); + } + EXPORT_SYMBOL(scsi_remove_target); + +diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c +index 4ad2c0e..9465bce 100644 +--- a/drivers/staging/comedi/comedi_fops.c ++++ b/drivers/staging/comedi/comedi_fops.c +@@ -843,7 +843,7 @@ static int parse_insn(struct comedi_device *dev, struct comedi_insn *insn, + ret = -EAGAIN; + break; + } +- ret = s->async->inttrig(dev, s, insn->data[0]); ++ ret = s->async->inttrig(dev, s, data[0]); + if (ret >= 0) + ret = 1; + break; +@@ -1088,7 +1088,6 @@ static int do_cmd_ioctl(struct comedi_device *dev, + goto cleanup; + } + +- kfree(async->cmd.chanlist); + async->cmd = user_cmd; + async->cmd.data = NULL; + /* load channel/gain list */ +@@ -1833,6 +1832,8 @@ void do_become_nonbusy(struct comedi_device *dev, struct comedi_subdevice *s) + if (async) { + comedi_reset_async_buf(async); + async->inttrig = NULL; ++ kfree(async->cmd.chanlist); ++ async->cmd.chanlist = NULL; + } else { + printk(KERN_ERR + "BUG: (?) do_become_nonbusy called with async=0\n"); +diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c +index 8d98cf4..c8b7eed 100644 +--- a/drivers/staging/comedi/drivers/jr3_pci.c ++++ b/drivers/staging/comedi/drivers/jr3_pci.c +@@ -913,7 +913,7 @@ static int jr3_pci_attach(struct comedi_device *dev, + } + + /* Reset DSP card */ +- devpriv->iobase->channel[0].reset = 0; ++ writel(0, &devpriv->iobase->channel[0].reset); + + result = comedi_load_firmware(dev, "jr3pci.idm", jr3_download_firmware); + printk("Firmare load %d\n", result); +diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c +index 23fc64b..c72128f 100644 +--- a/drivers/staging/comedi/drivers/s626.c ++++ b/drivers/staging/comedi/drivers/s626.c +@@ -2370,7 +2370,7 @@ static int s626_enc_insn_config(struct comedi_device *dev, + /* (data==NULL) ? (Preloadvalue=0) : (Preloadvalue=data[0]); */ + + k->SetMode(dev, k, Setup, TRUE); +- Preload(dev, k, *(insn->data)); ++ Preload(dev, k, data[0]); + k->PulseIndex(dev, k); + SetLatchSource(dev, k, valueSrclatch); + k->SetEnable(dev, k, (uint16_t) (enab != 0)); +diff --git a/drivers/staging/speakup/speakup_soft.c b/drivers/staging/speakup/speakup_soft.c +index 42cdafe..b5130c8 100644 +--- a/drivers/staging/speakup/speakup_soft.c ++++ b/drivers/staging/speakup/speakup_soft.c +@@ -40,7 +40,7 @@ static int softsynth_is_alive(struct spk_synth *synth); + static unsigned char get_index(void); + + static struct miscdevice synth_device; +-static int initialized; ++static int init_pos; + static int misc_registered; + + static struct var_t vars[] = { +@@ -194,7 +194,7 @@ static int softsynth_close(struct inode *inode, struct file *fp) + unsigned long flags; + spk_lock(flags); + synth_soft.alive = 0; +- initialized = 0; ++ init_pos = 0; + spk_unlock(flags); + /* Make sure we let applications go before leaving */ + speakup_start_ttys(); +@@ -239,13 +239,8 @@ static ssize_t softsynth_read(struct file *fp, char *buf, size_t count, + ch = '\x18'; + } else if (synth_buffer_empty()) { + break; +- } else if (!initialized) { +- if (*init) { +- ch = *init; +- init++; +- } else { +- initialized = 1; +- } ++ } else if (init[init_pos]) { ++ ch = init[init_pos++]; + } else { + ch = synth_buffer_getc(); + } +diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c +index 2ff1255..f35cb10 100644 +--- a/drivers/target/iscsi/iscsi_target.c ++++ b/drivers/target/iscsi/iscsi_target.c +@@ -3204,7 +3204,6 @@ static int iscsit_build_sendtargets_response(struct iscsi_cmd *cmd) + len += 1; + + if ((len + payload_len) > buffer_len) { +- spin_unlock(&tiqn->tiqn_tpg_lock); + end_of_buf = 1; + goto eob; + } +@@ -3357,6 +3356,7 @@ static int iscsit_send_reject( + hdr->opcode = ISCSI_OP_REJECT; + hdr->flags |= ISCSI_FLAG_CMD_FINAL; + hton24(hdr->dlength, ISCSI_HDR_LEN); ++ hdr->ffffffff = 0xffffffff; + cmd->stat_sn = conn->stat_sn++; + hdr->statsn = cpu_to_be32(cmd->stat_sn); + hdr->exp_cmdsn = cpu_to_be32(conn->sess->exp_cmd_sn); +diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h +index 0f68197..dae283f 100644 +--- a/drivers/target/iscsi/iscsi_target_core.h ++++ b/drivers/target/iscsi/iscsi_target_core.h +@@ -25,10 +25,10 @@ + #define NA_DATAOUT_TIMEOUT_RETRIES 5 + #define NA_DATAOUT_TIMEOUT_RETRIES_MAX 15 + #define NA_DATAOUT_TIMEOUT_RETRIES_MIN 1 +-#define NA_NOPIN_TIMEOUT 5 ++#define NA_NOPIN_TIMEOUT 15 + #define NA_NOPIN_TIMEOUT_MAX 60 + #define NA_NOPIN_TIMEOUT_MIN 3 +-#define NA_NOPIN_RESPONSE_TIMEOUT 5 ++#define NA_NOPIN_RESPONSE_TIMEOUT 30 + #define NA_NOPIN_RESPONSE_TIMEOUT_MAX 60 + #define NA_NOPIN_RESPONSE_TIMEOUT_MIN 3 + #define NA_RANDOM_DATAIN_PDU_OFFSETS 0 +diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c +index d4cf2cd..309f14c 100644 +--- a/drivers/target/iscsi/iscsi_target_tpg.c ++++ b/drivers/target/iscsi/iscsi_target_tpg.c +@@ -674,6 +674,12 @@ int iscsit_ta_generate_node_acls( + pr_debug("iSCSI_TPG[%hu] - Generate Initiator Portal Group ACLs: %s\n", + tpg->tpgt, (a->generate_node_acls) ? "Enabled" : "Disabled"); + ++ if (flag == 1 && a->cache_dynamic_acls == 0) { ++ pr_debug("Explicitly setting cache_dynamic_acls=1 when " ++ "generate_node_acls=1\n"); ++ a->cache_dynamic_acls = 1; ++ } ++ + return 0; + } + +@@ -713,6 +719,12 @@ int iscsit_ta_cache_dynamic_acls( + return -EINVAL; + } + ++ if (a->generate_node_acls == 1 && flag == 0) { ++ pr_debug("Skipping cache_dynamic_acls=0 when" ++ " generate_node_acls=1\n"); ++ return 0; ++ } ++ + a->cache_dynamic_acls = flag; + pr_debug("iSCSI_TPG[%hu] - Cache Dynamic Initiator Portal Group" + " ACLs %s\n", tpg->tpgt, (a->cache_dynamic_acls) ? +diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c +index 93d4f6a..0b01bfc 100644 +--- a/drivers/target/target_core_configfs.c ++++ b/drivers/target/target_core_configfs.c +@@ -3123,6 +3123,7 @@ static int __init target_core_init_configfs(void) + GFP_KERNEL); + if (!target_cg->default_groups) { + pr_err("Unable to allocate target_cg->default_groups\n"); ++ ret = -ENOMEM; + goto out_global; + } + +@@ -3138,6 +3139,7 @@ static int __init target_core_init_configfs(void) + GFP_KERNEL); + if (!hba_cg->default_groups) { + pr_err("Unable to allocate hba_cg->default_groups\n"); ++ ret = -ENOMEM; + goto out_global; + } + config_group_init_type_name(&alua_group, +@@ -3153,6 +3155,7 @@ static int __init target_core_init_configfs(void) + GFP_KERNEL); + if (!alua_cg->default_groups) { + pr_err("Unable to allocate alua_cg->default_groups\n"); ++ ret = -ENOMEM; + goto out_global; + } + +@@ -3164,14 +3167,17 @@ static int __init target_core_init_configfs(void) + * Add core/alua/lu_gps/default_lu_gp + */ + lu_gp = core_alua_allocate_lu_gp("default_lu_gp", 1); +- if (IS_ERR(lu_gp)) ++ if (IS_ERR(lu_gp)) { ++ ret = -ENOMEM; + goto out_global; ++ } + + lu_gp_cg = &alua_lu_gps_group; + lu_gp_cg->default_groups = kzalloc(sizeof(struct config_group) * 2, + GFP_KERNEL); + if (!lu_gp_cg->default_groups) { + pr_err("Unable to allocate lu_gp_cg->default_groups\n"); ++ ret = -ENOMEM; + goto out_global; + } + +diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c +index 455a251..cafa477 100644 +--- a/drivers/target/target_core_file.c ++++ b/drivers/target/target_core_file.c +@@ -139,6 +139,19 @@ static struct se_device *fd_create_virtdevice( + * of pure timestamp updates. + */ + flags = O_RDWR | O_CREAT | O_LARGEFILE | O_DSYNC; ++ /* ++ * Optionally allow fd_buffered_io=1 to be enabled for people ++ * who want use the fs buffer cache as an WriteCache mechanism. ++ * ++ * This means that in event of a hard failure, there is a risk ++ * of silent data-loss if the SCSI client has *not* performed a ++ * forced unit access (FUA) write, or issued SYNCHRONIZE_CACHE ++ * to write-out the entire device cache. ++ */ ++ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { ++ pr_debug("FILEIO: Disabling O_DSYNC, using buffered FILEIO\n"); ++ flags &= ~O_DSYNC; ++ } + + file = filp_open(dev_p, flags, 0600); + if (IS_ERR(file)) { +@@ -206,6 +219,12 @@ static struct se_device *fd_create_virtdevice( + if (!dev) + goto fail; + ++ if (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) { ++ pr_debug("FILEIO: Forcing setting of emulate_write_cache=1" ++ " with FDBD_HAS_BUFFERED_IO_WCE\n"); ++ dev->se_sub_dev->se_dev_attrib.emulate_write_cache = 1; ++ } ++ + fd_dev->fd_dev_id = fd_host->fd_host_dev_id_count++; + fd_dev->fd_queue_depth = dev->queue_depth; + +@@ -450,6 +469,7 @@ enum { + static match_table_t tokens = { + {Opt_fd_dev_name, "fd_dev_name=%s"}, + {Opt_fd_dev_size, "fd_dev_size=%s"}, ++ {Opt_fd_buffered_io, "fd_buffered_io=%d"}, + {Opt_err, NULL} + }; + +@@ -461,7 +481,7 @@ static ssize_t fd_set_configfs_dev_params( + struct fd_dev *fd_dev = se_dev->se_dev_su_ptr; + char *orig, *ptr, *arg_p, *opts; + substring_t args[MAX_OPT_ARGS]; +- int ret = 0, token; ++ int ret = 0, arg, token; + + opts = kstrdup(page, GFP_KERNEL); + if (!opts) +@@ -505,6 +525,19 @@ static ssize_t fd_set_configfs_dev_params( + " bytes\n", fd_dev->fd_dev_size); + fd_dev->fbd_flags |= FBDF_HAS_SIZE; + break; ++ case Opt_fd_buffered_io: ++ match_int(args, &arg); ++ if (arg != 1) { ++ pr_err("bogus fd_buffered_io=%d value\n", arg); ++ ret = -EINVAL; ++ goto out; ++ } ++ ++ pr_debug("FILEIO: Using buffered I/O" ++ " operations for struct fd_dev\n"); ++ ++ fd_dev->fbd_flags |= FDBD_HAS_BUFFERED_IO_WCE; ++ break; + default: + break; + } +@@ -536,8 +569,10 @@ static ssize_t fd_show_configfs_dev_params( + ssize_t bl = 0; + + bl = sprintf(b + bl, "TCM FILEIO ID: %u", fd_dev->fd_dev_id); +- bl += sprintf(b + bl, " File: %s Size: %llu Mode: O_DSYNC\n", +- fd_dev->fd_dev_name, fd_dev->fd_dev_size); ++ bl += sprintf(b + bl, " File: %s Size: %llu Mode: %s\n", ++ fd_dev->fd_dev_name, fd_dev->fd_dev_size, ++ (fd_dev->fbd_flags & FDBD_HAS_BUFFERED_IO_WCE) ? ++ "Buffered-WCE" : "O_DSYNC"); + return bl; + } + +diff --git a/drivers/target/target_core_file.h b/drivers/target/target_core_file.h +index 53ece69..6b1b6a9 100644 +--- a/drivers/target/target_core_file.h ++++ b/drivers/target/target_core_file.h +@@ -18,6 +18,7 @@ struct fd_request { + + #define FBDF_HAS_PATH 0x01 + #define FBDF_HAS_SIZE 0x02 ++#define FDBD_HAS_BUFFERED_IO_WCE 0x04 + + struct fd_dev { + u32 fbd_flags; +diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c +index fc7bbba..d190269 100644 +--- a/drivers/tty/n_gsm.c ++++ b/drivers/tty/n_gsm.c +@@ -108,7 +108,7 @@ struct gsm_mux_net { + */ + + struct gsm_msg { +- struct gsm_msg *next; ++ struct list_head list; + u8 addr; /* DLCI address + flags */ + u8 ctrl; /* Control byte + flags */ + unsigned int len; /* Length of data block (can be zero) */ +@@ -245,8 +245,7 @@ struct gsm_mux { + unsigned int tx_bytes; /* TX data outstanding */ + #define TX_THRESH_HI 8192 + #define TX_THRESH_LO 2048 +- struct gsm_msg *tx_head; /* Pending data packets */ +- struct gsm_msg *tx_tail; ++ struct list_head tx_list; /* Pending data packets */ + + /* Control messages */ + struct timer_list t2_timer; /* Retransmit timer for commands */ +@@ -663,7 +662,7 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len, + m->len = len; + m->addr = addr; + m->ctrl = ctrl; +- m->next = NULL; ++ INIT_LIST_HEAD(&m->list); + return m; + } + +@@ -673,22 +672,21 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len, + * + * The tty device has called us to indicate that room has appeared in + * the transmit queue. Ram more data into the pipe if we have any ++ * If we have been flow-stopped by a CMD_FCOFF, then we can only ++ * send messages on DLCI0 until CMD_FCON + * + * FIXME: lock against link layer control transmissions + */ + + static void gsm_data_kick(struct gsm_mux *gsm) + { +- struct gsm_msg *msg = gsm->tx_head; ++ struct gsm_msg *msg, *nmsg; + int len; + int skip_sof = 0; + +- /* FIXME: We need to apply this solely to data messages */ +- if (gsm->constipated) +- return; +- +- while (gsm->tx_head != NULL) { +- msg = gsm->tx_head; ++ list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) { ++ if (gsm->constipated && msg->addr) ++ continue; + if (gsm->encoding != 0) { + gsm->txframe[0] = GSM1_SOF; + len = gsm_stuff_frame(msg->data, +@@ -711,14 +709,13 @@ static void gsm_data_kick(struct gsm_mux *gsm) + len - skip_sof) < 0) + break; + /* FIXME: Can eliminate one SOF in many more cases */ +- gsm->tx_head = msg->next; +- if (gsm->tx_head == NULL) +- gsm->tx_tail = NULL; + gsm->tx_bytes -= msg->len; +- kfree(msg); + /* For a burst of frames skip the extra SOF within the + burst */ + skip_sof = 1; ++ ++ list_del(&msg->list); ++ kfree(msg); + } + } + +@@ -768,11 +765,7 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg) + msg->data = dp; + + /* Add to the actual output queue */ +- if (gsm->tx_tail) +- gsm->tx_tail->next = msg; +- else +- gsm->tx_head = msg; +- gsm->tx_tail = msg; ++ list_add_tail(&msg->list, &gsm->tx_list); + gsm->tx_bytes += msg->len; + gsm_data_kick(gsm); + } +@@ -875,7 +868,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm, + + /* dlci->skb is locked by tx_lock */ + if (dlci->skb == NULL) { +- dlci->skb = skb_dequeue(&dlci->skb_list); ++ dlci->skb = skb_dequeue_tail(&dlci->skb_list); + if (dlci->skb == NULL) + return 0; + first = 1; +@@ -886,7 +879,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm, + if (len > gsm->mtu) { + if (dlci->adaption == 3) { + /* Over long frame, bin it */ +- kfree_skb(dlci->skb); ++ dev_kfree_skb_any(dlci->skb); + dlci->skb = NULL; + return 0; + } +@@ -899,8 +892,11 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm, + + /* FIXME: need a timer or something to kick this so it can't + get stuck with no work outstanding and no buffer free */ +- if (msg == NULL) ++ if (msg == NULL) { ++ skb_queue_tail(&dlci->skb_list, dlci->skb); ++ dlci->skb = NULL; + return -ENOMEM; ++ } + dp = msg->data; + + if (dlci->adaption == 4) { /* Interruptible framed (Packetised Data) */ +@@ -912,7 +908,7 @@ static int gsm_dlci_data_output_framed(struct gsm_mux *gsm, + skb_pull(dlci->skb, len); + __gsm_data_queue(dlci, msg); + if (last) { +- kfree_skb(dlci->skb); ++ dev_kfree_skb_any(dlci->skb); + dlci->skb = NULL; + } + return size; +@@ -971,16 +967,22 @@ static void gsm_dlci_data_sweep(struct gsm_mux *gsm) + static void gsm_dlci_data_kick(struct gsm_dlci *dlci) + { + unsigned long flags; ++ int sweep; ++ ++ if (dlci->constipated) ++ return; + + spin_lock_irqsave(&dlci->gsm->tx_lock, flags); + /* If we have nothing running then we need to fire up */ ++ sweep = (dlci->gsm->tx_bytes < TX_THRESH_LO); + if (dlci->gsm->tx_bytes == 0) { + if (dlci->net) + gsm_dlci_data_output_framed(dlci->gsm, dlci); + else + gsm_dlci_data_output(dlci->gsm, dlci); +- } else if (dlci->gsm->tx_bytes < TX_THRESH_LO) +- gsm_dlci_data_sweep(dlci->gsm); ++ } ++ if (sweep) ++ gsm_dlci_data_sweep(dlci->gsm); + spin_unlock_irqrestore(&dlci->gsm->tx_lock, flags); + } + +@@ -1027,6 +1029,7 @@ static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci, + { + int mlines = 0; + u8 brk = 0; ++ int fc; + + /* The modem status command can either contain one octet (v.24 signals) + or two octets (v.24 signals + break signals). The length field will +@@ -1038,19 +1041,21 @@ static void gsm_process_modem(struct tty_struct *tty, struct gsm_dlci *dlci, + else { + brk = modem & 0x7f; + modem = (modem >> 7) & 0x7f; +- }; ++ } + + /* Flow control/ready to communicate */ +- if (modem & MDM_FC) { ++ fc = (modem & MDM_FC) || !(modem & MDM_RTR); ++ if (fc && !dlci->constipated) { + /* Need to throttle our output on this device */ + dlci->constipated = 1; +- } +- if (modem & MDM_RTC) { +- mlines |= TIOCM_DSR | TIOCM_DTR; ++ } else if (!fc && dlci->constipated) { + dlci->constipated = 0; + gsm_dlci_data_kick(dlci); + } ++ + /* Map modem bits */ ++ if (modem & MDM_RTC) ++ mlines |= TIOCM_DSR | TIOCM_DTR; + if (modem & MDM_RTR) + mlines |= TIOCM_RTS | TIOCM_CTS; + if (modem & MDM_IC) +@@ -1190,6 +1195,8 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command, + u8 *data, int clen) + { + u8 buf[1]; ++ unsigned long flags; ++ + switch (command) { + case CMD_CLD: { + struct gsm_dlci *dlci = gsm->dlci[0]; +@@ -1206,16 +1213,18 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command, + gsm_control_reply(gsm, CMD_TEST, data, clen); + break; + case CMD_FCON: +- /* Modem wants us to STFU */ +- gsm->constipated = 1; +- gsm_control_reply(gsm, CMD_FCON, NULL, 0); +- break; +- case CMD_FCOFF: + /* Modem can accept data again */ + gsm->constipated = 0; +- gsm_control_reply(gsm, CMD_FCOFF, NULL, 0); ++ gsm_control_reply(gsm, CMD_FCON, NULL, 0); + /* Kick the link in case it is idling */ ++ spin_lock_irqsave(&gsm->tx_lock, flags); + gsm_data_kick(gsm); ++ spin_unlock_irqrestore(&gsm->tx_lock, flags); ++ break; ++ case CMD_FCOFF: ++ /* Modem wants us to STFU */ ++ gsm->constipated = 1; ++ gsm_control_reply(gsm, CMD_FCOFF, NULL, 0); + break; + case CMD_MSC: + /* Out of band modem line change indicator for a DLCI */ +@@ -1668,7 +1677,7 @@ static void gsm_dlci_free(struct kref *ref) + dlci->gsm->dlci[dlci->addr] = NULL; + kfifo_free(dlci->fifo); + while ((dlci->skb = skb_dequeue(&dlci->skb_list))) +- kfree_skb(dlci->skb); ++ dev_kfree_skb(dlci->skb); + kfree(dlci); + } + +@@ -2007,7 +2016,7 @@ void gsm_cleanup_mux(struct gsm_mux *gsm) + { + int i; + struct gsm_dlci *dlci = gsm->dlci[0]; +- struct gsm_msg *txq; ++ struct gsm_msg *txq, *ntxq; + struct gsm_control *gc; + + gsm->dead = 1; +@@ -2042,11 +2051,9 @@ void gsm_cleanup_mux(struct gsm_mux *gsm) + if (gsm->dlci[i]) + gsm_dlci_release(gsm->dlci[i]); + /* Now wipe the queues */ +- for (txq = gsm->tx_head; txq != NULL; txq = gsm->tx_head) { +- gsm->tx_head = txq->next; ++ list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list) + kfree(txq); +- } +- gsm->tx_tail = NULL; ++ INIT_LIST_HEAD(&gsm->tx_list); + } + EXPORT_SYMBOL_GPL(gsm_cleanup_mux); + +@@ -2157,6 +2164,7 @@ struct gsm_mux *gsm_alloc_mux(void) + } + spin_lock_init(&gsm->lock); + kref_init(&gsm->ref); ++ INIT_LIST_HEAD(&gsm->tx_list); + + gsm->t1 = T1; + gsm->t2 = T2; +@@ -2273,7 +2281,7 @@ static void gsmld_receive_buf(struct tty_struct *tty, const unsigned char *cp, + gsm->error(gsm, *dp, flags); + break; + default: +- WARN_ONCE("%s: unknown flag %d\n", ++ WARN_ONCE(1, "%s: unknown flag %d\n", + tty_name(tty, buf), flags); + break; + } +@@ -2377,12 +2385,12 @@ static void gsmld_write_wakeup(struct tty_struct *tty) + + /* Queue poll */ + clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags); ++ spin_lock_irqsave(&gsm->tx_lock, flags); + gsm_data_kick(gsm); + if (gsm->tx_bytes < TX_THRESH_LO) { +- spin_lock_irqsave(&gsm->tx_lock, flags); + gsm_dlci_data_sweep(gsm); +- spin_unlock_irqrestore(&gsm->tx_lock, flags); + } ++ spin_unlock_irqrestore(&gsm->tx_lock, flags); + } + + /** +@@ -2889,6 +2897,10 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp) + gsm = gsm_mux[mux]; + if (gsm->dead) + return -EL2HLT; ++ /* If DLCI 0 is not yet fully open return an error. This is ok from a locking ++ perspective as we don't have to worry about this if DLCI0 is lost */ ++ if (gsm->dlci[0] && gsm->dlci[0]->state != DLCI_OPEN) ++ return -EL2NSYNC; + dlci = gsm->dlci[line]; + if (dlci == NULL) + dlci = gsm_dlci_alloc(gsm, line); +diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c +index 39d6ab6..8481aae 100644 +--- a/drivers/tty/n_tty.c ++++ b/drivers/tty/n_tty.c +@@ -1728,7 +1728,8 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file, + + do_it_again: + +- BUG_ON(!tty->read_buf); ++ if (WARN_ON(!tty->read_buf)) ++ return -EAGAIN; + + c = job_control(tty, file); + if (c < 0) +diff --git a/drivers/tty/serial/8250_pci.c b/drivers/tty/serial/8250_pci.c +index 482d51e..e7d82c1 100644 +--- a/drivers/tty/serial/8250_pci.c ++++ b/drivers/tty/serial/8250_pci.c +@@ -1118,6 +1118,8 @@ pci_xr17c154_setup(struct serial_private *priv, + #define PCI_SUBDEVICE_ID_OCTPRO422 0x0208 + #define PCI_SUBDEVICE_ID_POCTAL232 0x0308 + #define PCI_SUBDEVICE_ID_POCTAL422 0x0408 ++#define PCI_SUBDEVICE_ID_SIIG_DUAL_00 0x2500 ++#define PCI_SUBDEVICE_ID_SIIG_DUAL_30 0x2530 + #define PCI_VENDOR_ID_ADVANTECH 0x13fe + #define PCI_DEVICE_ID_INTEL_CE4100_UART 0x2e66 + #define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620 +@@ -3168,8 +3170,11 @@ static struct pci_device_id serial_pci_tbl[] = { + * For now just used the hex ID 0x950a. + */ + { PCI_VENDOR_ID_OXSEMI, 0x950a, +- PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL, 0, 0, +- pbn_b0_2_115200 }, ++ PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_00, ++ 0, 0, pbn_b0_2_115200 }, ++ { PCI_VENDOR_ID_OXSEMI, 0x950a, ++ PCI_SUBVENDOR_ID_SIIG, PCI_SUBDEVICE_ID_SIIG_DUAL_30, ++ 0, 0, pbn_b0_2_115200 }, + { PCI_VENDOR_ID_OXSEMI, 0x950a, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_b0_2_1130000 }, +diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c +index 6da8cf8..fe9f111 100644 +--- a/drivers/tty/serial/amba-pl011.c ++++ b/drivers/tty/serial/amba-pl011.c +@@ -1627,13 +1627,26 @@ pl011_set_termios(struct uart_port *port, struct ktermios *termios, + old_cr &= ~ST_UART011_CR_OVSFACT; + } + ++ /* ++ * Workaround for the ST Micro oversampling variants to ++ * increase the bitrate slightly, by lowering the divisor, ++ * to avoid delayed sampling of start bit at high speeds, ++ * else we see data corruption. ++ */ ++ if (uap->vendor->oversampling) { ++ if ((baud >= 3000000) && (baud < 3250000) && (quot > 1)) ++ quot -= 1; ++ else if ((baud > 3250000) && (quot > 2)) ++ quot -= 2; ++ } + /* Set baud rate */ + writew(quot & 0x3f, port->membase + UART011_FBRD); + writew(quot >> 6, port->membase + UART011_IBRD); + + /* + * ----------v----------v----------v----------v----- +- * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L ++ * NOTE: lcrh_tx and lcrh_rx MUST BE WRITTEN AFTER ++ * UART011_FBRD & UART011_IBRD. + * ----------^----------^----------^----------^----- + */ + writew(lcr_h, port->membase + uap->lcrh_rx); +diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c +index a40ab98..4cddbfc 100644 +--- a/drivers/usb/host/xhci-mem.c ++++ b/drivers/usb/host/xhci-mem.c +@@ -1680,6 +1680,7 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) + { + struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); + struct dev_info *dev_info, *next; ++ struct xhci_cd *cur_cd, *next_cd; + unsigned long flags; + int size; + int i, j, num_ports; +@@ -1701,6 +1702,11 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci) + xhci_ring_free(xhci, xhci->cmd_ring); + xhci->cmd_ring = NULL; + xhci_dbg(xhci, "Freed command ring\n"); ++ list_for_each_entry_safe(cur_cd, next_cd, ++ &xhci->cancel_cmd_list, cancel_cmd_list) { ++ list_del(&cur_cd->cancel_cmd_list); ++ kfree(cur_cd); ++ } + + for (i = 1; i < MAX_HC_SLOTS; ++i) + xhci_free_virt_device(xhci, i); +@@ -2246,6 +2252,7 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags) + xhci->cmd_ring = xhci_ring_alloc(xhci, 1, true, false, flags); + if (!xhci->cmd_ring) + goto fail; ++ INIT_LIST_HEAD(&xhci->cancel_cmd_list); + xhci_dbg(xhci, "Allocated command ring at %p\n", xhci->cmd_ring); + xhci_dbg(xhci, "First segment DMA is 0x%llx\n", + (unsigned long long)xhci->cmd_ring->first_seg->dma); +diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c +index bddcbfc..4ed7572 100644 +--- a/drivers/usb/host/xhci-pci.c ++++ b/drivers/usb/host/xhci-pci.c +@@ -99,6 +99,7 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) + * PPT chipsets. + */ + xhci->quirks |= XHCI_SPURIOUS_REBOOT; ++ xhci->quirks |= XHCI_AVOID_BEI; + } + if (pdev->vendor == PCI_VENDOR_ID_ETRON && + pdev->device == PCI_DEVICE_ID_ASROCK_P67) { +diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c +index c7c530c..950aef8 100644 +--- a/drivers/usb/host/xhci-ring.c ++++ b/drivers/usb/host/xhci-ring.c +@@ -309,12 +309,123 @@ static int room_on_ring(struct xhci_hcd *xhci, struct xhci_ring *ring, + /* Ring the host controller doorbell after placing a command on the ring */ + void xhci_ring_cmd_db(struct xhci_hcd *xhci) + { ++ if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING)) ++ return; ++ + xhci_dbg(xhci, "// Ding dong!\n"); + xhci_writel(xhci, DB_VALUE_HOST, &xhci->dba->doorbell[0]); + /* Flush PCI posted writes */ + xhci_readl(xhci, &xhci->dba->doorbell[0]); + } + ++static int xhci_abort_cmd_ring(struct xhci_hcd *xhci) ++{ ++ u64 temp_64; ++ int ret; ++ ++ xhci_dbg(xhci, "Abort command ring\n"); ++ ++ if (!(xhci->cmd_ring_state & CMD_RING_STATE_RUNNING)) { ++ xhci_dbg(xhci, "The command ring isn't running, " ++ "Have the command ring been stopped?\n"); ++ return 0; ++ } ++ ++ temp_64 = xhci_read_64(xhci, &xhci->op_regs->cmd_ring); ++ if (!(temp_64 & CMD_RING_RUNNING)) { ++ xhci_dbg(xhci, "Command ring had been stopped\n"); ++ return 0; ++ } ++ xhci->cmd_ring_state = CMD_RING_STATE_ABORTED; ++ xhci_write_64(xhci, temp_64 | CMD_RING_ABORT, ++ &xhci->op_regs->cmd_ring); ++ ++ /* Section 4.6.1.2 of xHCI 1.0 spec says software should ++ * time the completion od all xHCI commands, including ++ * the Command Abort operation. If software doesn't see ++ * CRR negated in a timely manner (e.g. longer than 5 ++ * seconds), then it should assume that the there are ++ * larger problems with the xHC and assert HCRST. ++ */ ++ ret = handshake(xhci, &xhci->op_regs->cmd_ring, ++ CMD_RING_RUNNING, 0, 5 * 1000 * 1000); ++ if (ret < 0) { ++ xhci_err(xhci, "Stopped the command ring failed, " ++ "maybe the host is dead\n"); ++ xhci->xhc_state |= XHCI_STATE_DYING; ++ xhci_quiesce(xhci); ++ xhci_halt(xhci); ++ return -ESHUTDOWN; ++ } ++ ++ return 0; ++} ++ ++static int xhci_queue_cd(struct xhci_hcd *xhci, ++ struct xhci_command *command, ++ union xhci_trb *cmd_trb) ++{ ++ struct xhci_cd *cd; ++ cd = kzalloc(sizeof(struct xhci_cd), GFP_ATOMIC); ++ if (!cd) ++ return -ENOMEM; ++ INIT_LIST_HEAD(&cd->cancel_cmd_list); ++ ++ cd->command = command; ++ cd->cmd_trb = cmd_trb; ++ list_add_tail(&cd->cancel_cmd_list, &xhci->cancel_cmd_list); ++ ++ return 0; ++} ++ ++/* ++ * Cancel the command which has issue. ++ * ++ * Some commands may hang due to waiting for acknowledgement from ++ * usb device. It is outside of the xHC's ability to control and ++ * will cause the command ring is blocked. When it occurs software ++ * should intervene to recover the command ring. ++ * See Section 4.6.1.1 and 4.6.1.2 ++ */ ++int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command, ++ union xhci_trb *cmd_trb) ++{ ++ int retval = 0; ++ unsigned long flags; ++ ++ spin_lock_irqsave(&xhci->lock, flags); ++ ++ if (xhci->xhc_state & XHCI_STATE_DYING) { ++ xhci_warn(xhci, "Abort the command ring," ++ " but the xHCI is dead.\n"); ++ retval = -ESHUTDOWN; ++ goto fail; ++ } ++ ++ /* queue the cmd desriptor to cancel_cmd_list */ ++ retval = xhci_queue_cd(xhci, command, cmd_trb); ++ if (retval) { ++ xhci_warn(xhci, "Queuing command descriptor failed.\n"); ++ goto fail; ++ } ++ ++ /* abort command ring */ ++ retval = xhci_abort_cmd_ring(xhci); ++ if (retval) { ++ xhci_err(xhci, "Abort command ring failed\n"); ++ if (unlikely(retval == -ESHUTDOWN)) { ++ spin_unlock_irqrestore(&xhci->lock, flags); ++ usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); ++ xhci_dbg(xhci, "xHCI host controller is dead.\n"); ++ return retval; ++ } ++ } ++ ++fail: ++ spin_unlock_irqrestore(&xhci->lock, flags); ++ return retval; ++} ++ + void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, + unsigned int slot_id, + unsigned int ep_index, +@@ -1043,6 +1154,20 @@ static void handle_reset_ep_completion(struct xhci_hcd *xhci, + } + } + ++/* Complete the command and detele it from the devcie's command queue. ++ */ ++static void xhci_complete_cmd_in_cmd_wait_list(struct xhci_hcd *xhci, ++ struct xhci_command *command, u32 status) ++{ ++ command->status = status; ++ list_del(&command->cmd_list); ++ if (command->completion) ++ complete(command->completion); ++ else ++ xhci_free_command(xhci, command); ++} ++ ++ + /* Check to see if a command in the device's command queue matches this one. + * Signal the completion or free the command, and return 1. Return 0 if the + * completed command isn't at the head of the command list. +@@ -1061,15 +1186,144 @@ static int handle_cmd_in_cmd_wait_list(struct xhci_hcd *xhci, + if (xhci->cmd_ring->dequeue != command->command_trb) + return 0; + +- command->status = GET_COMP_CODE(le32_to_cpu(event->status)); +- list_del(&command->cmd_list); +- if (command->completion) +- complete(command->completion); +- else +- xhci_free_command(xhci, command); ++ xhci_complete_cmd_in_cmd_wait_list(xhci, command, ++ GET_COMP_CODE(le32_to_cpu(event->status))); + return 1; + } + ++/* ++ * Finding the command trb need to be cancelled and modifying it to ++ * NO OP command. And if the command is in device's command wait ++ * list, finishing and freeing it. ++ * ++ * If we can't find the command trb, we think it had already been ++ * executed. ++ */ ++static void xhci_cmd_to_noop(struct xhci_hcd *xhci, struct xhci_cd *cur_cd) ++{ ++ struct xhci_segment *cur_seg; ++ union xhci_trb *cmd_trb; ++ u32 cycle_state; ++ ++ if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue) ++ return; ++ ++ /* find the current segment of command ring */ ++ cur_seg = find_trb_seg(xhci->cmd_ring->first_seg, ++ xhci->cmd_ring->dequeue, &cycle_state); ++ ++ /* find the command trb matched by cd from command ring */ ++ for (cmd_trb = xhci->cmd_ring->dequeue; ++ cmd_trb != xhci->cmd_ring->enqueue; ++ next_trb(xhci, xhci->cmd_ring, &cur_seg, &cmd_trb)) { ++ /* If the trb is link trb, continue */ ++ if (TRB_TYPE_LINK_LE32(cmd_trb->generic.field[3])) ++ continue; ++ ++ if (cur_cd->cmd_trb == cmd_trb) { ++ ++ /* If the command in device's command list, we should ++ * finish it and free the command structure. ++ */ ++ if (cur_cd->command) ++ xhci_complete_cmd_in_cmd_wait_list(xhci, ++ cur_cd->command, COMP_CMD_STOP); ++ ++ /* get cycle state from the origin command trb */ ++ cycle_state = le32_to_cpu(cmd_trb->generic.field[3]) ++ & TRB_CYCLE; ++ ++ /* modify the command trb to NO OP command */ ++ cmd_trb->generic.field[0] = 0; ++ cmd_trb->generic.field[1] = 0; ++ cmd_trb->generic.field[2] = 0; ++ cmd_trb->generic.field[3] = cpu_to_le32( ++ TRB_TYPE(TRB_CMD_NOOP) | cycle_state); ++ break; ++ } ++ } ++} ++ ++static void xhci_cancel_cmd_in_cd_list(struct xhci_hcd *xhci) ++{ ++ struct xhci_cd *cur_cd, *next_cd; ++ ++ if (list_empty(&xhci->cancel_cmd_list)) ++ return; ++ ++ list_for_each_entry_safe(cur_cd, next_cd, ++ &xhci->cancel_cmd_list, cancel_cmd_list) { ++ xhci_cmd_to_noop(xhci, cur_cd); ++ list_del(&cur_cd->cancel_cmd_list); ++ kfree(cur_cd); ++ } ++} ++ ++/* ++ * traversing the cancel_cmd_list. If the command descriptor according ++ * to cmd_trb is found, the function free it and return 1, otherwise ++ * return 0. ++ */ ++static int xhci_search_cmd_trb_in_cd_list(struct xhci_hcd *xhci, ++ union xhci_trb *cmd_trb) ++{ ++ struct xhci_cd *cur_cd, *next_cd; ++ ++ if (list_empty(&xhci->cancel_cmd_list)) ++ return 0; ++ ++ list_for_each_entry_safe(cur_cd, next_cd, ++ &xhci->cancel_cmd_list, cancel_cmd_list) { ++ if (cur_cd->cmd_trb == cmd_trb) { ++ if (cur_cd->command) ++ xhci_complete_cmd_in_cmd_wait_list(xhci, ++ cur_cd->command, COMP_CMD_STOP); ++ list_del(&cur_cd->cancel_cmd_list); ++ kfree(cur_cd); ++ return 1; ++ } ++ } ++ ++ return 0; ++} ++ ++/* ++ * If the cmd_trb_comp_code is COMP_CMD_ABORT, we just check whether the ++ * trb pointed by the command ring dequeue pointer is the trb we want to ++ * cancel or not. And if the cmd_trb_comp_code is COMP_CMD_STOP, we will ++ * traverse the cancel_cmd_list to trun the all of the commands according ++ * to command descriptor to NO-OP trb. ++ */ ++static int handle_stopped_cmd_ring(struct xhci_hcd *xhci, ++ int cmd_trb_comp_code) ++{ ++ int cur_trb_is_good = 0; ++ ++ /* Searching the cmd trb pointed by the command ring dequeue ++ * pointer in command descriptor list. If it is found, free it. ++ */ ++ cur_trb_is_good = xhci_search_cmd_trb_in_cd_list(xhci, ++ xhci->cmd_ring->dequeue); ++ ++ if (cmd_trb_comp_code == COMP_CMD_ABORT) ++ xhci->cmd_ring_state = CMD_RING_STATE_STOPPED; ++ else if (cmd_trb_comp_code == COMP_CMD_STOP) { ++ /* traversing the cancel_cmd_list and canceling ++ * the command according to command descriptor ++ */ ++ xhci_cancel_cmd_in_cd_list(xhci); ++ ++ xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; ++ /* ++ * ring command ring doorbell again to restart the ++ * command ring ++ */ ++ if (xhci->cmd_ring->dequeue != xhci->cmd_ring->enqueue) ++ xhci_ring_cmd_db(xhci); ++ } ++ return cur_trb_is_good; ++} ++ + static void handle_cmd_completion(struct xhci_hcd *xhci, + struct xhci_event_cmd *event) + { +@@ -1095,6 +1349,22 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, + xhci->error_bitmask |= 1 << 5; + return; + } ++ ++ if ((GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_CMD_ABORT) || ++ (GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_CMD_STOP)) { ++ /* If the return value is 0, we think the trb pointed by ++ * command ring dequeue pointer is a good trb. The good ++ * trb means we don't want to cancel the trb, but it have ++ * been stopped by host. So we should handle it normally. ++ * Otherwise, driver should invoke inc_deq() and return. ++ */ ++ if (handle_stopped_cmd_ring(xhci, ++ GET_COMP_CODE(le32_to_cpu(event->status)))) { ++ inc_deq(xhci, xhci->cmd_ring, false); ++ return; ++ } ++ } ++ + switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3]) + & TRB_TYPE_BITMASK) { + case TRB_TYPE(TRB_ENABLE_SLOT): +@@ -3356,7 +3626,9 @@ static int xhci_queue_isoc_tx(struct xhci_hcd *xhci, gfp_t mem_flags, + } else { + td->last_trb = ep_ring->enqueue; + field |= TRB_IOC; +- if (xhci->hci_version == 0x100) { ++ if (xhci->hci_version == 0x100 && ++ !(xhci->quirks & ++ XHCI_AVOID_BEI)) { + /* Set BEI bit except for the last td */ + if (i < num_tds - 1) + field |= TRB_BEI; +diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c +index 09872ee..f5c0f38 100644 +--- a/drivers/usb/host/xhci.c ++++ b/drivers/usb/host/xhci.c +@@ -52,7 +52,7 @@ MODULE_PARM_DESC(link_quirk, "Don't clear the chain bit on a link TRB"); + * handshake done). There are two failure modes: "usec" have passed (major + * hardware flakeout), or the register reads as all-ones (hardware removed). + */ +-static int handshake(struct xhci_hcd *xhci, void __iomem *ptr, ++int handshake(struct xhci_hcd *xhci, void __iomem *ptr, + u32 mask, u32 done, int usec) + { + u32 result; +@@ -105,8 +105,12 @@ int xhci_halt(struct xhci_hcd *xhci) + + ret = handshake(xhci, &xhci->op_regs->status, + STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC); +- if (!ret) ++ if (!ret) { + xhci->xhc_state |= XHCI_STATE_HALTED; ++ xhci->cmd_ring_state = CMD_RING_STATE_STOPPED; ++ } else ++ xhci_warn(xhci, "Host not halted after %u microseconds.\n", ++ XHCI_MAX_HALT_USEC); + return ret; + } + +@@ -459,6 +463,8 @@ static bool compliance_mode_recovery_timer_quirk_check(void) + + dmi_product_name = dmi_get_system_info(DMI_PRODUCT_NAME); + dmi_sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR); ++ if (!dmi_product_name || !dmi_sys_vendor) ++ return false; + + if (!(strstr(dmi_sys_vendor, "Hewlett-Packard"))) + return false; +@@ -570,6 +576,7 @@ static int xhci_run_finished(struct xhci_hcd *xhci) + return -ENODEV; + } + xhci->shared_hcd->state = HC_STATE_RUNNING; ++ xhci->cmd_ring_state = CMD_RING_STATE_RUNNING; + + if (xhci->quirks & XHCI_NEC_HOST) + xhci_ring_cmd_db(xhci); +@@ -874,7 +881,7 @@ int xhci_suspend(struct xhci_hcd *xhci) + command &= ~CMD_RUN; + xhci_writel(xhci, command, &xhci->op_regs->command); + if (handshake(xhci, &xhci->op_regs->status, +- STS_HALT, STS_HALT, 100*100)) { ++ STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) { + xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n"); + spin_unlock_irq(&xhci->lock); + return -ETIMEDOUT; +@@ -2506,6 +2513,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, + struct completion *cmd_completion; + u32 *cmd_status; + struct xhci_virt_device *virt_dev; ++ union xhci_trb *cmd_trb; + + spin_lock_irqsave(&xhci->lock, flags); + virt_dev = xhci->devs[udev->slot_id]; +@@ -2551,6 +2559,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, + } + init_completion(cmd_completion); + ++ cmd_trb = xhci->cmd_ring->dequeue; + if (!ctx_change) + ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma, + udev->slot_id, must_succeed); +@@ -2572,14 +2581,17 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci, + /* Wait for the configure endpoint command to complete */ + timeleft = wait_for_completion_interruptible_timeout( + cmd_completion, +- USB_CTRL_SET_TIMEOUT); ++ XHCI_CMD_DEFAULT_TIMEOUT); + if (timeleft <= 0) { + xhci_warn(xhci, "%s while waiting for %s command\n", + timeleft == 0 ? "Timeout" : "Signal", + ctx_change == 0 ? + "configure endpoint" : + "evaluate context"); +- /* FIXME cancel the configure endpoint command */ ++ /* cancel the configure endpoint command */ ++ ret = xhci_cancel_cmd(xhci, command, cmd_trb); ++ if (ret < 0) ++ return ret; + return -ETIME; + } + +@@ -3528,8 +3540,10 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) + unsigned long flags; + int timeleft; + int ret; ++ union xhci_trb *cmd_trb; + + spin_lock_irqsave(&xhci->lock, flags); ++ cmd_trb = xhci->cmd_ring->dequeue; + ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0); + if (ret) { + spin_unlock_irqrestore(&xhci->lock, flags); +@@ -3541,12 +3555,12 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) + + /* XXX: how much time for xHC slot assignment? */ + timeleft = wait_for_completion_interruptible_timeout(&xhci->addr_dev, +- USB_CTRL_SET_TIMEOUT); ++ XHCI_CMD_DEFAULT_TIMEOUT); + if (timeleft <= 0) { + xhci_warn(xhci, "%s while waiting for a slot\n", + timeleft == 0 ? "Timeout" : "Signal"); +- /* FIXME cancel the enable slot request */ +- return 0; ++ /* cancel the enable slot request */ ++ return xhci_cancel_cmd(xhci, NULL, cmd_trb); + } + + if (!xhci->slot_id) { +@@ -3607,6 +3621,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) + struct xhci_slot_ctx *slot_ctx; + struct xhci_input_control_ctx *ctrl_ctx; + u64 temp_64; ++ union xhci_trb *cmd_trb; + + if (!udev->slot_id) { + xhci_dbg(xhci, "Bad Slot ID %d\n", udev->slot_id); +@@ -3645,6 +3660,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) + xhci_dbg_ctx(xhci, virt_dev->in_ctx, 2); + + spin_lock_irqsave(&xhci->lock, flags); ++ cmd_trb = xhci->cmd_ring->dequeue; + ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma, + udev->slot_id); + if (ret) { +@@ -3657,7 +3673,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) + + /* ctrl tx can take up to 5 sec; XXX: need more time for xHC? */ + timeleft = wait_for_completion_interruptible_timeout(&xhci->addr_dev, +- USB_CTRL_SET_TIMEOUT); ++ XHCI_CMD_DEFAULT_TIMEOUT); + /* FIXME: From section 4.3.4: "Software shall be responsible for timing + * the SetAddress() "recovery interval" required by USB and aborting the + * command on a timeout. +@@ -3665,7 +3681,10 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev) + if (timeleft <= 0) { + xhci_warn(xhci, "%s while waiting for address device command\n", + timeleft == 0 ? "Timeout" : "Signal"); +- /* FIXME cancel the address device command */ ++ /* cancel the address device command */ ++ ret = xhci_cancel_cmd(xhci, NULL, cmd_trb); ++ if (ret < 0) ++ return ret; + return -ETIME; + } + +diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h +index 44d518a..cc368c2 100644 +--- a/drivers/usb/host/xhci.h ++++ b/drivers/usb/host/xhci.h +@@ -1255,6 +1255,16 @@ struct xhci_td { + union xhci_trb *last_trb; + }; + ++/* xHCI command default timeout value */ ++#define XHCI_CMD_DEFAULT_TIMEOUT (5 * HZ) ++ ++/* command descriptor */ ++struct xhci_cd { ++ struct list_head cancel_cmd_list; ++ struct xhci_command *command; ++ union xhci_trb *cmd_trb; ++}; ++ + struct xhci_dequeue_state { + struct xhci_segment *new_deq_seg; + union xhci_trb *new_deq_ptr; +@@ -1402,6 +1412,11 @@ struct xhci_hcd { + /* data structures */ + struct xhci_device_context_array *dcbaa; + struct xhci_ring *cmd_ring; ++ unsigned int cmd_ring_state; ++#define CMD_RING_STATE_RUNNING (1 << 0) ++#define CMD_RING_STATE_ABORTED (1 << 1) ++#define CMD_RING_STATE_STOPPED (1 << 2) ++ struct list_head cancel_cmd_list; + unsigned int cmd_ring_reserved_trbs; + struct xhci_ring *event_ring; + struct xhci_erst erst; +@@ -1473,6 +1488,7 @@ struct xhci_hcd { + #define XHCI_TRUST_TX_LENGTH (1 << 10) + #define XHCI_SPURIOUS_REBOOT (1 << 13) + #define XHCI_COMP_MODE_QUIRK (1 << 14) ++#define XHCI_AVOID_BEI (1 << 15) + unsigned int num_active_eps; + unsigned int limit_active_eps; + /* There are two roothubs to keep track of bus suspend info for */ +@@ -1666,6 +1682,8 @@ static inline void xhci_unregister_pci(void) {} + + /* xHCI host controller glue */ + typedef void (*xhci_get_quirks_t)(struct device *, struct xhci_hcd *); ++int handshake(struct xhci_hcd *xhci, void __iomem *ptr, ++ u32 mask, u32 done, int usec); + void xhci_quiesce(struct xhci_hcd *xhci); + int xhci_halt(struct xhci_hcd *xhci); + int xhci_reset(struct xhci_hcd *xhci); +@@ -1756,6 +1774,8 @@ void xhci_queue_config_ep_quirk(struct xhci_hcd *xhci, + unsigned int slot_id, unsigned int ep_index, + struct xhci_dequeue_state *deq_state); + void xhci_stop_endpoint_command_watchdog(unsigned long arg); ++int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command, ++ union xhci_trb *cmd_trb); + void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id, + unsigned int ep_index, unsigned int stream_id); + +diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c +index 7324bea..e29a664 100644 +--- a/drivers/usb/serial/ftdi_sio.c ++++ b/drivers/usb/serial/ftdi_sio.c +@@ -584,6 +584,8 @@ static struct usb_device_id id_table_combined [] = { + { USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) }, ++ { USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID), ++ .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, + /* + * ELV devices: + */ +diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h +index 06f6fd2..7b5eb74 100644 +--- a/drivers/usb/serial/ftdi_sio_ids.h ++++ b/drivers/usb/serial/ftdi_sio_ids.h +@@ -517,6 +517,11 @@ + */ + #define FTDI_TAVIR_STK500_PID 0xFA33 /* STK500 AVR programmer */ + ++/* ++ * TIAO product ids (FTDI_VID) ++ * http://www.tiaowiki.com/w/Main_Page ++ */ ++#define FTDI_TIAO_UMPA_PID 0x8a98 /* TIAO/DIYGADGET USB Multi-Protocol Adapter */ + + + /********************************/ +diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c +index c068b4d..3fd4e6f 100644 +--- a/drivers/usb/serial/option.c ++++ b/drivers/usb/serial/option.c +@@ -870,7 +870,8 @@ static const struct usb_device_id option_ids[] = { + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0153, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0155, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) }, +- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff) }, ++ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff), ++ .driver_info = (kernel_ulong_t)&net_intf5_blacklist }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0158, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0159, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) }, +diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c +index a348198..87271e3 100644 +--- a/drivers/usb/serial/qcaux.c ++++ b/drivers/usb/serial/qcaux.c +@@ -36,8 +36,6 @@ + #define UTSTARCOM_PRODUCT_UM175_V1 0x3712 + #define UTSTARCOM_PRODUCT_UM175_V2 0x3714 + #define UTSTARCOM_PRODUCT_UM175_ALLTEL 0x3715 +-#define PANTECH_PRODUCT_UML190_VZW 0x3716 +-#define PANTECH_PRODUCT_UML290_VZW 0x3718 + + /* CMOTECH devices */ + #define CMOTECH_VENDOR_ID 0x16d8 +@@ -68,11 +66,9 @@ static struct usb_device_id id_table[] = { + { USB_DEVICE_AND_INTERFACE_INFO(LG_VENDOR_ID, LG_PRODUCT_VX4400_6000, 0xff, 0xff, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(SANYO_VENDOR_ID, SANYO_PRODUCT_KATANA_LX, 0xff, 0xff, 0x00) }, + { USB_DEVICE_AND_INTERFACE_INFO(SAMSUNG_VENDOR_ID, SAMSUNG_PRODUCT_U520, 0xff, 0x00, 0x00) }, +- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xff, 0xff) }, +- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML190_VZW, 0xff, 0xfe, 0xff) }, +- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfd, 0xff) }, /* NMEA */ +- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xfe, 0xff) }, /* WMC */ +- { USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, PANTECH_PRODUCT_UML290_VZW, 0xff, 0xff, 0xff) }, /* DIAG */ ++ { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfd, 0xff) }, /* NMEA */ ++ { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xfe, 0xff) }, /* WMC */ ++ { USB_VENDOR_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, 0xff, 0xff, 0xff) }, /* DIAG */ + { }, + }; + MODULE_DEVICE_TABLE(usb, id_table); +diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c +index f55ae23..790fa63 100644 +--- a/fs/autofs4/root.c ++++ b/fs/autofs4/root.c +@@ -392,10 +392,12 @@ static struct vfsmount *autofs4_d_automount(struct path *path) + ino->flags |= AUTOFS_INF_PENDING; + spin_unlock(&sbi->fs_lock); + status = autofs4_mount_wait(dentry); +- if (status) +- return ERR_PTR(status); + spin_lock(&sbi->fs_lock); + ino->flags &= ~AUTOFS_INF_PENDING; ++ if (status) { ++ spin_unlock(&sbi->fs_lock); ++ return ERR_PTR(status); ++ } + } + done: + if (!(ino->flags & AUTOFS_INF_EXPIRING)) { +diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c +index 6ff96c6..8dd615c 100644 +--- a/fs/binfmt_elf.c ++++ b/fs/binfmt_elf.c +@@ -1668,30 +1668,19 @@ static int elf_note_info_init(struct elf_note_info *info) + return 0; + info->psinfo = kmalloc(sizeof(*info->psinfo), GFP_KERNEL); + if (!info->psinfo) +- goto notes_free; ++ return 0; + info->prstatus = kmalloc(sizeof(*info->prstatus), GFP_KERNEL); + if (!info->prstatus) +- goto psinfo_free; ++ return 0; + info->fpu = kmalloc(sizeof(*info->fpu), GFP_KERNEL); + if (!info->fpu) +- goto prstatus_free; ++ return 0; + #ifdef ELF_CORE_COPY_XFPREGS + info->xfpu = kmalloc(sizeof(*info->xfpu), GFP_KERNEL); + if (!info->xfpu) +- goto fpu_free; ++ return 0; + #endif + return 1; +-#ifdef ELF_CORE_COPY_XFPREGS +- fpu_free: +- kfree(info->fpu); +-#endif +- prstatus_free: +- kfree(info->prstatus); +- psinfo_free: +- kfree(info->psinfo); +- notes_free: +- kfree(info->notes); +- return 0; + } + + static int fill_note_info(struct elfhdr *elf, int phdrs, +diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h +index a9f29b1..2262a77 100644 +--- a/fs/ecryptfs/ecryptfs_kernel.h ++++ b/fs/ecryptfs/ecryptfs_kernel.h +@@ -559,6 +559,8 @@ struct ecryptfs_open_req { + struct inode *ecryptfs_get_inode(struct inode *lower_inode, + struct super_block *sb); + void ecryptfs_i_size_init(const char *page_virt, struct inode *inode); ++int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, ++ struct inode *ecryptfs_inode); + int ecryptfs_decode_and_decrypt_filename(char **decrypted_name, + size_t *decrypted_name_size, + struct dentry *ecryptfs_dentry, +diff --git a/fs/ecryptfs/file.c b/fs/ecryptfs/file.c +index d3f95f9..841f24f 100644 +--- a/fs/ecryptfs/file.c ++++ b/fs/ecryptfs/file.c +@@ -139,29 +139,50 @@ out: + return rc; + } + +-static void ecryptfs_vma_close(struct vm_area_struct *vma) +-{ +- filemap_write_and_wait(vma->vm_file->f_mapping); +-} +- +-static const struct vm_operations_struct ecryptfs_file_vm_ops = { +- .close = ecryptfs_vma_close, +- .fault = filemap_fault, +-}; ++struct kmem_cache *ecryptfs_file_info_cache; + +-static int ecryptfs_file_mmap(struct file *file, struct vm_area_struct *vma) ++static int read_or_initialize_metadata(struct dentry *dentry) + { ++ struct inode *inode = dentry->d_inode; ++ struct ecryptfs_mount_crypt_stat *mount_crypt_stat; ++ struct ecryptfs_crypt_stat *crypt_stat; + int rc; + +- rc = generic_file_mmap(file, vma); ++ crypt_stat = &ecryptfs_inode_to_private(inode)->crypt_stat; ++ mount_crypt_stat = &ecryptfs_superblock_to_private( ++ inode->i_sb)->mount_crypt_stat; ++ mutex_lock(&crypt_stat->cs_mutex); ++ ++ if (crypt_stat->flags & ECRYPTFS_POLICY_APPLIED && ++ crypt_stat->flags & ECRYPTFS_KEY_VALID) { ++ rc = 0; ++ goto out; ++ } ++ ++ rc = ecryptfs_read_metadata(dentry); + if (!rc) +- vma->vm_ops = &ecryptfs_file_vm_ops; ++ goto out; ++ ++ if (mount_crypt_stat->flags & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED) { ++ crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED ++ | ECRYPTFS_ENCRYPTED); ++ rc = 0; ++ goto out; ++ } ++ ++ if (!(mount_crypt_stat->flags & ECRYPTFS_XATTR_METADATA_ENABLED) && ++ !i_size_read(ecryptfs_inode_to_lower(inode))) { ++ rc = ecryptfs_initialize_file(dentry, inode); ++ if (!rc) ++ goto out; ++ } + ++ rc = -EIO; ++out: ++ mutex_unlock(&crypt_stat->cs_mutex); + return rc; + } + +-struct kmem_cache *ecryptfs_file_info_cache; +- + /** + * ecryptfs_open + * @inode: inode speciying file to open +@@ -237,32 +258,9 @@ static int ecryptfs_open(struct inode *inode, struct file *file) + rc = 0; + goto out; + } +- mutex_lock(&crypt_stat->cs_mutex); +- if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED) +- || !(crypt_stat->flags & ECRYPTFS_KEY_VALID)) { +- rc = ecryptfs_read_metadata(ecryptfs_dentry); +- if (rc) { +- ecryptfs_printk(KERN_DEBUG, +- "Valid headers not found\n"); +- if (!(mount_crypt_stat->flags +- & ECRYPTFS_PLAINTEXT_PASSTHROUGH_ENABLED)) { +- rc = -EIO; +- printk(KERN_WARNING "Either the lower file " +- "is not in a valid eCryptfs format, " +- "or the key could not be retrieved. " +- "Plaintext passthrough mode is not " +- "enabled; returning -EIO\n"); +- mutex_unlock(&crypt_stat->cs_mutex); +- goto out_put; +- } +- rc = 0; +- crypt_stat->flags &= ~(ECRYPTFS_I_SIZE_INITIALIZED +- | ECRYPTFS_ENCRYPTED); +- mutex_unlock(&crypt_stat->cs_mutex); +- goto out; +- } +- } +- mutex_unlock(&crypt_stat->cs_mutex); ++ rc = read_or_initialize_metadata(ecryptfs_dentry); ++ if (rc) ++ goto out_put; + ecryptfs_printk(KERN_DEBUG, "inode w/ addr = [0x%p], i_ino = " + "[0x%.16lx] size: [0x%.16llx]\n", inode, inode->i_ino, + (unsigned long long)i_size_read(inode)); +@@ -278,8 +276,14 @@ out: + + static int ecryptfs_flush(struct file *file, fl_owner_t td) + { +- return file->f_mode & FMODE_WRITE +- ? filemap_write_and_wait(file->f_mapping) : 0; ++ struct file *lower_file = ecryptfs_file_to_lower(file); ++ ++ if (lower_file->f_op && lower_file->f_op->flush) { ++ filemap_write_and_wait(file->f_mapping); ++ return lower_file->f_op->flush(lower_file, td); ++ } ++ ++ return 0; + } + + static int ecryptfs_release(struct inode *inode, struct file *file) +@@ -293,15 +297,7 @@ static int ecryptfs_release(struct inode *inode, struct file *file) + static int + ecryptfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) + { +- int rc = 0; +- +- rc = generic_file_fsync(file, start, end, datasync); +- if (rc) +- goto out; +- rc = vfs_fsync_range(ecryptfs_file_to_lower(file), start, end, +- datasync); +-out: +- return rc; ++ return vfs_fsync(ecryptfs_file_to_lower(file), datasync); + } + + static int ecryptfs_fasync(int fd, struct file *file, int flag) +@@ -370,7 +366,7 @@ const struct file_operations ecryptfs_main_fops = { + #ifdef CONFIG_COMPAT + .compat_ioctl = ecryptfs_compat_ioctl, + #endif +- .mmap = ecryptfs_file_mmap, ++ .mmap = generic_file_mmap, + .open = ecryptfs_open, + .flush = ecryptfs_flush, + .release = ecryptfs_release, +diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c +index 7c7556b..a9be90d 100644 +--- a/fs/ecryptfs/inode.c ++++ b/fs/ecryptfs/inode.c +@@ -161,6 +161,31 @@ ecryptfs_create_underlying_file(struct inode *lower_dir_inode, + return vfs_create(lower_dir_inode, lower_dentry, mode, NULL); + } + ++static int ecryptfs_do_unlink(struct inode *dir, struct dentry *dentry, ++ struct inode *inode) ++{ ++ struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); ++ struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir); ++ struct dentry *lower_dir_dentry; ++ int rc; ++ ++ dget(lower_dentry); ++ lower_dir_dentry = lock_parent(lower_dentry); ++ rc = vfs_unlink(lower_dir_inode, lower_dentry); ++ if (rc) { ++ printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc); ++ goto out_unlock; ++ } ++ fsstack_copy_attr_times(dir, lower_dir_inode); ++ set_nlink(inode, ecryptfs_inode_to_lower(inode)->i_nlink); ++ inode->i_ctime = dir->i_ctime; ++ d_drop(dentry); ++out_unlock: ++ unlock_dir(lower_dir_dentry); ++ dput(lower_dentry); ++ return rc; ++} ++ + /** + * ecryptfs_do_create + * @directory_inode: inode of the new file's dentry's parent in ecryptfs +@@ -201,8 +226,10 @@ ecryptfs_do_create(struct inode *directory_inode, + } + inode = __ecryptfs_get_inode(lower_dentry->d_inode, + directory_inode->i_sb); +- if (IS_ERR(inode)) ++ if (IS_ERR(inode)) { ++ vfs_unlink(lower_dir_dentry->d_inode, lower_dentry); + goto out_lock; ++ } + fsstack_copy_attr_times(directory_inode, lower_dir_dentry->d_inode); + fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode); + out_lock: +@@ -219,8 +246,8 @@ out: + * + * Returns zero on success + */ +-static int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, +- struct inode *ecryptfs_inode) ++int ecryptfs_initialize_file(struct dentry *ecryptfs_dentry, ++ struct inode *ecryptfs_inode) + { + struct ecryptfs_crypt_stat *crypt_stat = + &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; +@@ -284,7 +311,9 @@ ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, + * that this on disk file is prepared to be an ecryptfs file */ + rc = ecryptfs_initialize_file(ecryptfs_dentry, ecryptfs_inode); + if (rc) { +- drop_nlink(ecryptfs_inode); ++ ecryptfs_do_unlink(directory_inode, ecryptfs_dentry, ++ ecryptfs_inode); ++ make_bad_inode(ecryptfs_inode); + unlock_new_inode(ecryptfs_inode); + iput(ecryptfs_inode); + goto out; +@@ -496,27 +525,7 @@ out_lock: + + static int ecryptfs_unlink(struct inode *dir, struct dentry *dentry) + { +- int rc = 0; +- struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); +- struct inode *lower_dir_inode = ecryptfs_inode_to_lower(dir); +- struct dentry *lower_dir_dentry; +- +- dget(lower_dentry); +- lower_dir_dentry = lock_parent(lower_dentry); +- rc = vfs_unlink(lower_dir_inode, lower_dentry); +- if (rc) { +- printk(KERN_ERR "Error in vfs_unlink; rc = [%d]\n", rc); +- goto out_unlock; +- } +- fsstack_copy_attr_times(dir, lower_dir_inode); +- set_nlink(dentry->d_inode, +- ecryptfs_inode_to_lower(dentry->d_inode)->i_nlink); +- dentry->d_inode->i_ctime = dir->i_ctime; +- d_drop(dentry); +-out_unlock: +- unlock_dir(lower_dir_dentry); +- dput(lower_dentry); +- return rc; ++ return ecryptfs_do_unlink(dir, dentry, dentry->d_inode); + } + + static int ecryptfs_symlink(struct inode *dir, struct dentry *dentry, +@@ -1026,12 +1035,6 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) + goto out; + } + +- if (S_ISREG(inode->i_mode)) { +- rc = filemap_write_and_wait(inode->i_mapping); +- if (rc) +- goto out; +- fsstack_copy_attr_all(inode, lower_inode); +- } + memcpy(&lower_ia, ia, sizeof(lower_ia)); + if (ia->ia_valid & ATTR_FILE) + lower_ia.ia_file = ecryptfs_file_to_lower(ia->ia_file); +diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c +index b4a6bef..1cfef9f 100644 +--- a/fs/ecryptfs/main.c ++++ b/fs/ecryptfs/main.c +@@ -162,6 +162,7 @@ void ecryptfs_put_lower_file(struct inode *inode) + inode_info = ecryptfs_inode_to_private(inode); + if (atomic_dec_and_mutex_lock(&inode_info->lower_file_count, + &inode_info->lower_file_mutex)) { ++ filemap_write_and_wait(inode->i_mapping); + fput(inode_info->lower_file); + inode_info->lower_file = NULL; + mutex_unlock(&inode_info->lower_file_mutex); +diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c +index 6a44148..93a998a 100644 +--- a/fs/ecryptfs/mmap.c ++++ b/fs/ecryptfs/mmap.c +@@ -62,18 +62,6 @@ static int ecryptfs_writepage(struct page *page, struct writeback_control *wbc) + { + int rc; + +- /* +- * Refuse to write the page out if we are called from reclaim context +- * since our writepage() path may potentially allocate memory when +- * calling into the lower fs vfs_write() which may in turn invoke +- * us again. +- */ +- if (current->flags & PF_MEMALLOC) { +- redirty_page_for_writepage(wbc, page); +- rc = 0; +- goto out; +- } +- + rc = ecryptfs_encrypt_page(page); + if (rc) { + ecryptfs_printk(KERN_WARNING, "Error encrypting " +@@ -498,7 +486,6 @@ static int ecryptfs_write_end(struct file *file, + struct ecryptfs_crypt_stat *crypt_stat = + &ecryptfs_inode_to_private(ecryptfs_inode)->crypt_stat; + int rc; +- int need_unlock_page = 1; + + ecryptfs_printk(KERN_DEBUG, "Calling fill_zeros_to_end_of_page" + "(page w/ index = [0x%.16lx], to = [%d])\n", index, to); +@@ -519,26 +506,26 @@ static int ecryptfs_write_end(struct file *file, + "zeros in page with index = [0x%.16lx]\n", index); + goto out; + } +- set_page_dirty(page); +- unlock_page(page); +- need_unlock_page = 0; ++ rc = ecryptfs_encrypt_page(page); ++ if (rc) { ++ ecryptfs_printk(KERN_WARNING, "Error encrypting page (upper " ++ "index [0x%.16lx])\n", index); ++ goto out; ++ } + if (pos + copied > i_size_read(ecryptfs_inode)) { + i_size_write(ecryptfs_inode, pos + copied); + ecryptfs_printk(KERN_DEBUG, "Expanded file size to " + "[0x%.16llx]\n", + (unsigned long long)i_size_read(ecryptfs_inode)); +- balance_dirty_pages_ratelimited(mapping); +- rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); +- if (rc) { +- printk(KERN_ERR "Error writing inode size to metadata; " +- "rc = [%d]\n", rc); +- goto out; +- } + } +- rc = copied; ++ rc = ecryptfs_write_inode_size_to_metadata(ecryptfs_inode); ++ if (rc) ++ printk(KERN_ERR "Error writing inode size to metadata; " ++ "rc = [%d]\n", rc); ++ else ++ rc = copied; + out: +- if (need_unlock_page) +- unlock_page(page); ++ unlock_page(page); + page_cache_release(page); + return rc; + } +diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c +index 8b01f9f..bac2330 100644 +--- a/fs/ext4/inode.c ++++ b/fs/ext4/inode.c +@@ -2382,6 +2382,16 @@ static int ext4_nonda_switch(struct super_block *sb) + free_blocks = EXT4_C2B(sbi, + percpu_counter_read_positive(&sbi->s_freeclusters_counter)); + dirty_blocks = percpu_counter_read_positive(&sbi->s_dirtyclusters_counter); ++ /* ++ * Start pushing delalloc when 1/2 of free blocks are dirty. ++ */ ++ if (dirty_blocks && (free_blocks < 2 * dirty_blocks) && ++ !writeback_in_progress(sb->s_bdi) && ++ down_read_trylock(&sb->s_umount)) { ++ writeback_inodes_sb(sb, WB_REASON_FS_FREE_SPACE); ++ up_read(&sb->s_umount); ++ } ++ + if (2 * free_blocks < 3 * dirty_blocks || + free_blocks < (dirty_blocks + EXT4_FREECLUSTERS_WATERMARK)) { + /* +@@ -2390,13 +2400,6 @@ static int ext4_nonda_switch(struct super_block *sb) + */ + return 1; + } +- /* +- * Even if we don't switch but are nearing capacity, +- * start pushing delalloc when 1/2 of free blocks are dirty. +- */ +- if (free_blocks < 2 * dirty_blocks) +- writeback_inodes_sb_if_idle(sb, WB_REASON_FS_FREE_SPACE); +- + return 0; + } + +@@ -4004,6 +4007,7 @@ static int ext4_do_update_inode(handle_t *handle, + struct ext4_inode_info *ei = EXT4_I(inode); + struct buffer_head *bh = iloc->bh; + int err = 0, rc, block; ++ int need_datasync = 0; + + /* For fields not not tracking in the in-memory inode, + * initialise them to zero for new inodes. */ +@@ -4052,7 +4056,10 @@ static int ext4_do_update_inode(handle_t *handle, + raw_inode->i_file_acl_high = + cpu_to_le16(ei->i_file_acl >> 32); + raw_inode->i_file_acl_lo = cpu_to_le32(ei->i_file_acl); +- ext4_isize_set(raw_inode, ei->i_disksize); ++ if (ei->i_disksize != ext4_isize(raw_inode)) { ++ ext4_isize_set(raw_inode, ei->i_disksize); ++ need_datasync = 1; ++ } + if (ei->i_disksize > 0x7fffffffULL) { + struct super_block *sb = inode->i_sb; + if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, +@@ -4105,7 +4112,7 @@ static int ext4_do_update_inode(handle_t *handle, + err = rc; + ext4_clear_inode_state(inode, EXT4_STATE_NEW); + +- ext4_update_inode_fsync_trans(handle, inode, 0); ++ ext4_update_inode_fsync_trans(handle, inode, need_datasync); + out_brelse: + brelse(bh); + ext4_std_error(inode->i_sb, err); +diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c +index c5826c6..e2016f3 100644 +--- a/fs/ext4/move_extent.c ++++ b/fs/ext4/move_extent.c +@@ -141,55 +141,21 @@ mext_next_extent(struct inode *inode, struct ext4_ext_path *path, + } + + /** +- * mext_check_null_inode - NULL check for two inodes +- * +- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0. +- */ +-static int +-mext_check_null_inode(struct inode *inode1, struct inode *inode2, +- const char *function, unsigned int line) +-{ +- int ret = 0; +- +- if (inode1 == NULL) { +- __ext4_error(inode2->i_sb, function, line, +- "Both inodes should not be NULL: " +- "inode1 NULL inode2 %lu", inode2->i_ino); +- ret = -EIO; +- } else if (inode2 == NULL) { +- __ext4_error(inode1->i_sb, function, line, +- "Both inodes should not be NULL: " +- "inode1 %lu inode2 NULL", inode1->i_ino); +- ret = -EIO; +- } +- return ret; +-} +- +-/** + * double_down_write_data_sem - Acquire two inodes' write lock of i_data_sem + * +- * @orig_inode: original inode structure +- * @donor_inode: donor inode structure +- * Acquire write lock of i_data_sem of the two inodes (orig and donor) by +- * i_ino order. ++ * Acquire write lock of i_data_sem of the two inodes + */ + static void +-double_down_write_data_sem(struct inode *orig_inode, struct inode *donor_inode) ++double_down_write_data_sem(struct inode *first, struct inode *second) + { +- struct inode *first = orig_inode, *second = donor_inode; ++ if (first < second) { ++ down_write(&EXT4_I(first)->i_data_sem); ++ down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING); ++ } else { ++ down_write(&EXT4_I(second)->i_data_sem); ++ down_write_nested(&EXT4_I(first)->i_data_sem, SINGLE_DEPTH_NESTING); + +- /* +- * Use the inode number to provide the stable locking order instead +- * of its address, because the C language doesn't guarantee you can +- * compare pointers that don't come from the same array. +- */ +- if (donor_inode->i_ino < orig_inode->i_ino) { +- first = donor_inode; +- second = orig_inode; + } +- +- down_write(&EXT4_I(first)->i_data_sem); +- down_write_nested(&EXT4_I(second)->i_data_sem, SINGLE_DEPTH_NESTING); + } + + /** +@@ -969,14 +935,6 @@ mext_check_arguments(struct inode *orig_inode, + return -EINVAL; + } + +- /* Files should be in the same ext4 FS */ +- if (orig_inode->i_sb != donor_inode->i_sb) { +- ext4_debug("ext4 move extent: The argument files " +- "should be in same FS [ino:orig %lu, donor %lu]\n", +- orig_inode->i_ino, donor_inode->i_ino); +- return -EINVAL; +- } +- + /* Ext4 move extent supports only extent based file */ + if (!(ext4_test_inode_flag(orig_inode, EXT4_INODE_EXTENTS))) { + ext4_debug("ext4 move extent: orig file is not extents " +@@ -1072,35 +1030,19 @@ mext_check_arguments(struct inode *orig_inode, + * @inode1: the inode structure + * @inode2: the inode structure + * +- * Lock two inodes' i_mutex by i_ino order. +- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0. ++ * Lock two inodes' i_mutex + */ +-static int ++static void + mext_inode_double_lock(struct inode *inode1, struct inode *inode2) + { +- int ret = 0; +- +- BUG_ON(inode1 == NULL && inode2 == NULL); +- +- ret = mext_check_null_inode(inode1, inode2, __func__, __LINE__); +- if (ret < 0) +- goto out; +- +- if (inode1 == inode2) { +- mutex_lock(&inode1->i_mutex); +- goto out; +- } +- +- if (inode1->i_ino < inode2->i_ino) { ++ BUG_ON(inode1 == inode2); ++ if (inode1 < inode2) { + mutex_lock_nested(&inode1->i_mutex, I_MUTEX_PARENT); + mutex_lock_nested(&inode2->i_mutex, I_MUTEX_CHILD); + } else { + mutex_lock_nested(&inode2->i_mutex, I_MUTEX_PARENT); + mutex_lock_nested(&inode1->i_mutex, I_MUTEX_CHILD); + } +- +-out: +- return ret; + } + + /** +@@ -1109,28 +1051,13 @@ out: + * @inode1: the inode that is released first + * @inode2: the inode that is released second + * +- * If inode1 or inode2 is NULL, return -EIO. Otherwise, return 0. + */ + +-static int ++static void + mext_inode_double_unlock(struct inode *inode1, struct inode *inode2) + { +- int ret = 0; +- +- BUG_ON(inode1 == NULL && inode2 == NULL); +- +- ret = mext_check_null_inode(inode1, inode2, __func__, __LINE__); +- if (ret < 0) +- goto out; +- +- if (inode1) +- mutex_unlock(&inode1->i_mutex); +- +- if (inode2 && inode2 != inode1) +- mutex_unlock(&inode2->i_mutex); +- +-out: +- return ret; ++ mutex_unlock(&inode1->i_mutex); ++ mutex_unlock(&inode2->i_mutex); + } + + /** +@@ -1187,16 +1114,23 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + ext4_lblk_t block_end, seq_start, add_blocks, file_end, seq_blocks = 0; + ext4_lblk_t rest_blocks; + pgoff_t orig_page_offset = 0, seq_end_page; +- int ret1, ret2, depth, last_extent = 0; ++ int ret, depth, last_extent = 0; + int blocks_per_page = PAGE_CACHE_SIZE >> orig_inode->i_blkbits; + int data_offset_in_page; + int block_len_in_page; + int uninit; + +- /* orig and donor should be different file */ +- if (orig_inode->i_ino == donor_inode->i_ino) { ++ if (orig_inode->i_sb != donor_inode->i_sb) { ++ ext4_debug("ext4 move extent: The argument files " ++ "should be in same FS [ino:orig %lu, donor %lu]\n", ++ orig_inode->i_ino, donor_inode->i_ino); ++ return -EINVAL; ++ } ++ ++ /* orig and donor should be different inodes */ ++ if (orig_inode == donor_inode) { + ext4_debug("ext4 move extent: The argument files should not " +- "be same file [ino:orig %lu, donor %lu]\n", ++ "be same inode [ino:orig %lu, donor %lu]\n", + orig_inode->i_ino, donor_inode->i_ino); + return -EINVAL; + } +@@ -1208,18 +1142,21 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + orig_inode->i_ino, donor_inode->i_ino); + return -EINVAL; + } +- ++ /* TODO: This is non obvious task to swap blocks for inodes with full ++ jornaling enabled */ ++ if (ext4_should_journal_data(orig_inode) || ++ ext4_should_journal_data(donor_inode)) { ++ return -EINVAL; ++ } + /* Protect orig and donor inodes against a truncate */ +- ret1 = mext_inode_double_lock(orig_inode, donor_inode); +- if (ret1 < 0) +- return ret1; ++ mext_inode_double_lock(orig_inode, donor_inode); + + /* Protect extent tree against block allocations via delalloc */ + double_down_write_data_sem(orig_inode, donor_inode); + /* Check the filesystem environment whether move_extent can be done */ +- ret1 = mext_check_arguments(orig_inode, donor_inode, orig_start, ++ ret = mext_check_arguments(orig_inode, donor_inode, orig_start, + donor_start, &len); +- if (ret1) ++ if (ret) + goto out; + + file_end = (i_size_read(orig_inode) - 1) >> orig_inode->i_blkbits; +@@ -1227,13 +1164,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + if (file_end < block_end) + len -= block_end - file_end; + +- ret1 = get_ext_path(orig_inode, block_start, &orig_path); +- if (ret1) ++ ret = get_ext_path(orig_inode, block_start, &orig_path); ++ if (ret) + goto out; + + /* Get path structure to check the hole */ +- ret1 = get_ext_path(orig_inode, block_start, &holecheck_path); +- if (ret1) ++ ret = get_ext_path(orig_inode, block_start, &holecheck_path); ++ if (ret) + goto out; + + depth = ext_depth(orig_inode); +@@ -1252,13 +1189,13 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + last_extent = mext_next_extent(orig_inode, + holecheck_path, &ext_cur); + if (last_extent < 0) { +- ret1 = last_extent; ++ ret = last_extent; + goto out; + } + last_extent = mext_next_extent(orig_inode, orig_path, + &ext_dummy); + if (last_extent < 0) { +- ret1 = last_extent; ++ ret = last_extent; + goto out; + } + seq_start = le32_to_cpu(ext_cur->ee_block); +@@ -1272,7 +1209,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + if (le32_to_cpu(ext_cur->ee_block) > block_end) { + ext4_debug("ext4 move extent: The specified range of file " + "may be the hole\n"); +- ret1 = -EINVAL; ++ ret = -EINVAL; + goto out; + } + +@@ -1292,7 +1229,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + last_extent = mext_next_extent(orig_inode, holecheck_path, + &ext_cur); + if (last_extent < 0) { +- ret1 = last_extent; ++ ret = last_extent; + break; + } + add_blocks = ext4_ext_get_actual_len(ext_cur); +@@ -1349,18 +1286,18 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + orig_page_offset, + data_offset_in_page, + block_len_in_page, uninit, +- &ret1); ++ &ret); + + /* Count how many blocks we have exchanged */ + *moved_len += block_len_in_page; +- if (ret1 < 0) ++ if (ret < 0) + break; + if (*moved_len > len) { + EXT4_ERROR_INODE(orig_inode, + "We replaced blocks too much! " + "sum of replaced: %llu requested: %llu", + *moved_len, len); +- ret1 = -EIO; ++ ret = -EIO; + break; + } + +@@ -1374,22 +1311,22 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, + } + + double_down_write_data_sem(orig_inode, donor_inode); +- if (ret1 < 0) ++ if (ret < 0) + break; + + /* Decrease buffer counter */ + if (holecheck_path) + ext4_ext_drop_refs(holecheck_path); +- ret1 = get_ext_path(orig_inode, seq_start, &holecheck_path); +- if (ret1) ++ ret = get_ext_path(orig_inode, seq_start, &holecheck_path); ++ if (ret) + break; + depth = holecheck_path->p_depth; + + /* Decrease buffer counter */ + if (orig_path) + ext4_ext_drop_refs(orig_path); +- ret1 = get_ext_path(orig_inode, seq_start, &orig_path); +- if (ret1) ++ ret = get_ext_path(orig_inode, seq_start, &orig_path); ++ if (ret) + break; + + ext_cur = holecheck_path[depth].p_ext; +@@ -1412,12 +1349,7 @@ out: + kfree(holecheck_path); + } + double_up_write_data_sem(orig_inode, donor_inode); +- ret2 = mext_inode_double_unlock(orig_inode, donor_inode); +- +- if (ret1) +- return ret1; +- else if (ret2) +- return ret2; ++ mext_inode_double_unlock(orig_inode, donor_inode); + +- return 0; ++ return ret; + } +diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c +index 4dd0890..88f97e5 100644 +--- a/fs/ext4/namei.c ++++ b/fs/ext4/namei.c +@@ -1801,9 +1801,7 @@ retry: + err = PTR_ERR(inode); + if (!IS_ERR(inode)) { + init_special_inode(inode, inode->i_mode, rdev); +-#ifdef CONFIG_EXT4_FS_XATTR + inode->i_op = &ext4_special_inode_operations; +-#endif + err = ext4_add_nondir(handle, dentry, inode); + } + ext4_journal_stop(handle); +diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c +index 54f5786..13bfa07 100644 +--- a/fs/fs-writeback.c ++++ b/fs/fs-writeback.c +@@ -63,6 +63,7 @@ int writeback_in_progress(struct backing_dev_info *bdi) + { + return test_bit(BDI_writeback_running, &bdi->state); + } ++EXPORT_SYMBOL(writeback_in_progress); + + static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) + { +diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c +index b09e51d..464cd76 100644 +--- a/fs/jffs2/wbuf.c ++++ b/fs/jffs2/wbuf.c +@@ -1032,11 +1032,11 @@ int jffs2_check_oob_empty(struct jffs2_sb_info *c, + ops.datbuf = NULL; + + ret = c->mtd->read_oob(c->mtd, jeb->offset, &ops); +- if (ret || ops.oobretlen != ops.ooblen) { ++ if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != ops.ooblen) { + printk(KERN_ERR "cannot read OOB for EB at %08x, requested %zd" + " bytes, read %zd bytes, error %d\n", + jeb->offset, ops.ooblen, ops.oobretlen, ret); +- if (!ret) ++ if (!ret || mtd_is_bitflip(ret)) + ret = -EIO; + return ret; + } +@@ -1075,11 +1075,11 @@ int jffs2_check_nand_cleanmarker(struct jffs2_sb_info *c, + ops.datbuf = NULL; + + ret = c->mtd->read_oob(c->mtd, jeb->offset, &ops); +- if (ret || ops.oobretlen != ops.ooblen) { ++ if ((ret && !mtd_is_bitflip(ret)) || ops.oobretlen != ops.ooblen) { + printk(KERN_ERR "cannot read OOB for EB at %08x, requested %zd" + " bytes, read %zd bytes, error %d\n", + jeb->offset, ops.ooblen, ops.oobretlen, ret); +- if (!ret) ++ if (!ret || mtd_is_bitflip(ret)) + ret = -EIO; + return ret; + } +diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c +index 23d7451..df753a1 100644 +--- a/fs/lockd/mon.c ++++ b/fs/lockd/mon.c +@@ -40,6 +40,7 @@ struct nsm_args { + u32 proc; + + char *mon_name; ++ char *nodename; + }; + + struct nsm_res { +@@ -93,6 +94,7 @@ static int nsm_mon_unmon(struct nsm_handle *nsm, u32 proc, struct nsm_res *res) + .vers = 3, + .proc = NLMPROC_NSM_NOTIFY, + .mon_name = nsm->sm_mon_name, ++ .nodename = utsname()->nodename, + }; + struct rpc_message msg = { + .rpc_argp = &args, +@@ -429,7 +431,7 @@ static void encode_my_id(struct xdr_stream *xdr, const struct nsm_args *argp) + { + __be32 *p; + +- encode_nsm_string(xdr, utsname()->nodename); ++ encode_nsm_string(xdr, argp->nodename); + p = xdr_reserve_space(xdr, 4 + 4 + 4); + *p++ = cpu_to_be32(argp->prog); + *p++ = cpu_to_be32(argp->vers); +diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c +index d774309..1aaa0ee 100644 +--- a/fs/nfs/blocklayout/blocklayout.c ++++ b/fs/nfs/blocklayout/blocklayout.c +@@ -164,25 +164,39 @@ static struct bio *bl_alloc_init_bio(int npg, sector_t isect, + return bio; + } + +-static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw, ++static struct bio *do_add_page_to_bio(struct bio *bio, int npg, int rw, + sector_t isect, struct page *page, + struct pnfs_block_extent *be, + void (*end_io)(struct bio *, int err), +- struct parallel_io *par) ++ struct parallel_io *par, ++ unsigned int offset, int len) + { ++ isect = isect + (offset >> SECTOR_SHIFT); ++ dprintk("%s: npg %d rw %d isect %llu offset %u len %d\n", __func__, ++ npg, rw, (unsigned long long)isect, offset, len); + retry: + if (!bio) { + bio = bl_alloc_init_bio(npg, isect, be, end_io, par); + if (!bio) + return ERR_PTR(-ENOMEM); + } +- if (bio_add_page(bio, page, PAGE_CACHE_SIZE, 0) < PAGE_CACHE_SIZE) { ++ if (bio_add_page(bio, page, len, offset) < len) { + bio = bl_submit_bio(rw, bio); + goto retry; + } + return bio; + } + ++static struct bio *bl_add_page_to_bio(struct bio *bio, int npg, int rw, ++ sector_t isect, struct page *page, ++ struct pnfs_block_extent *be, ++ void (*end_io)(struct bio *, int err), ++ struct parallel_io *par) ++{ ++ return do_add_page_to_bio(bio, npg, rw, isect, page, be, ++ end_io, par, 0, PAGE_CACHE_SIZE); ++} ++ + /* This is basically copied from mpage_end_io_read */ + static void bl_end_io_read(struct bio *bio, int err) + { +@@ -446,6 +460,106 @@ map_block(struct buffer_head *bh, sector_t isect, struct pnfs_block_extent *be) + return; + } + ++static void ++bl_read_single_end_io(struct bio *bio, int error) ++{ ++ struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1; ++ struct page *page = bvec->bv_page; ++ ++ /* Only one page in bvec */ ++ unlock_page(page); ++} ++ ++static int ++bl_do_readpage_sync(struct page *page, struct pnfs_block_extent *be, ++ unsigned int offset, unsigned int len) ++{ ++ struct bio *bio; ++ struct page *shadow_page; ++ sector_t isect; ++ char *kaddr, *kshadow_addr; ++ int ret = 0; ++ ++ dprintk("%s: offset %u len %u\n", __func__, offset, len); ++ ++ shadow_page = alloc_page(GFP_NOFS | __GFP_HIGHMEM); ++ if (shadow_page == NULL) ++ return -ENOMEM; ++ ++ bio = bio_alloc(GFP_NOIO, 1); ++ if (bio == NULL) ++ return -ENOMEM; ++ ++ isect = (page->index << PAGE_CACHE_SECTOR_SHIFT) + ++ (offset / SECTOR_SIZE); ++ ++ bio->bi_sector = isect - be->be_f_offset + be->be_v_offset; ++ bio->bi_bdev = be->be_mdev; ++ bio->bi_end_io = bl_read_single_end_io; ++ ++ lock_page(shadow_page); ++ if (bio_add_page(bio, shadow_page, ++ SECTOR_SIZE, round_down(offset, SECTOR_SIZE)) == 0) { ++ unlock_page(shadow_page); ++ bio_put(bio); ++ return -EIO; ++ } ++ ++ submit_bio(READ, bio); ++ wait_on_page_locked(shadow_page); ++ if (unlikely(!test_bit(BIO_UPTODATE, &bio->bi_flags))) { ++ ret = -EIO; ++ } else { ++ kaddr = kmap_atomic(page); ++ kshadow_addr = kmap_atomic(shadow_page); ++ memcpy(kaddr + offset, kshadow_addr + offset, len); ++ kunmap_atomic(kshadow_addr); ++ kunmap_atomic(kaddr); ++ } ++ __free_page(shadow_page); ++ bio_put(bio); ++ ++ return ret; ++} ++ ++static int ++bl_read_partial_page_sync(struct page *page, struct pnfs_block_extent *be, ++ unsigned int dirty_offset, unsigned int dirty_len, ++ bool full_page) ++{ ++ int ret = 0; ++ unsigned int start, end; ++ ++ if (full_page) { ++ start = 0; ++ end = PAGE_CACHE_SIZE; ++ } else { ++ start = round_down(dirty_offset, SECTOR_SIZE); ++ end = round_up(dirty_offset + dirty_len, SECTOR_SIZE); ++ } ++ ++ dprintk("%s: offset %u len %d\n", __func__, dirty_offset, dirty_len); ++ if (!be) { ++ zero_user_segments(page, start, dirty_offset, ++ dirty_offset + dirty_len, end); ++ if (start == 0 && end == PAGE_CACHE_SIZE && ++ trylock_page(page)) { ++ SetPageUptodate(page); ++ unlock_page(page); ++ } ++ return ret; ++ } ++ ++ if (start != dirty_offset) ++ ret = bl_do_readpage_sync(page, be, start, dirty_offset - start); ++ ++ if (!ret && (dirty_offset + dirty_len < end)) ++ ret = bl_do_readpage_sync(page, be, dirty_offset + dirty_len, ++ end - dirty_offset - dirty_len); ++ ++ return ret; ++} ++ + /* Given an unmapped page, zero it or read in page for COW, page is locked + * by caller. + */ +@@ -479,7 +593,6 @@ init_page_for_write(struct page *page, struct pnfs_block_extent *cow_read) + SetPageUptodate(page); + + cleanup: +- bl_put_extent(cow_read); + if (bh) + free_buffer_head(bh); + if (ret) { +@@ -501,6 +614,7 @@ bl_write_pagelist(struct nfs_write_data *wdata, int sync) + struct parallel_io *par; + loff_t offset = wdata->args.offset; + size_t count = wdata->args.count; ++ unsigned int pg_offset, pg_len, saved_len; + struct page **pages = wdata->args.pages; + struct page *page; + pgoff_t index; +@@ -615,10 +729,11 @@ next_page: + if (!extent_length) { + /* We've used up the previous extent */ + bl_put_extent(be); ++ bl_put_extent(cow_read); + bio = bl_submit_bio(WRITE, bio); + /* Get the next one */ + be = bl_find_get_extent(BLK_LSEG2EXT(wdata->lseg), +- isect, NULL); ++ isect, &cow_read); + if (!be || !is_writable(be, isect)) { + wdata->pnfs_error = -EINVAL; + goto out; +@@ -626,7 +741,26 @@ next_page: + extent_length = be->be_length - + (isect - be->be_f_offset); + } +- if (be->be_state == PNFS_BLOCK_INVALID_DATA) { ++ ++ dprintk("%s offset %lld count %Zu\n", __func__, offset, count); ++ pg_offset = offset & ~PAGE_CACHE_MASK; ++ if (pg_offset + count > PAGE_CACHE_SIZE) ++ pg_len = PAGE_CACHE_SIZE - pg_offset; ++ else ++ pg_len = count; ++ ++ saved_len = pg_len; ++ if (be->be_state == PNFS_BLOCK_INVALID_DATA && ++ !bl_is_sector_init(be->be_inval, isect)) { ++ ret = bl_read_partial_page_sync(pages[i], cow_read, ++ pg_offset, pg_len, true); ++ if (ret) { ++ dprintk("%s bl_read_partial_page_sync fail %d\n", ++ __func__, ret); ++ wdata->pnfs_error = ret; ++ goto out; ++ } ++ + ret = bl_mark_sectors_init(be->be_inval, isect, + PAGE_CACHE_SECTORS, + NULL); +@@ -636,15 +770,35 @@ next_page: + wdata->pnfs_error = ret; + goto out; + } ++ ++ /* Expand to full page write */ ++ pg_offset = 0; ++ pg_len = PAGE_CACHE_SIZE; ++ } else if ((pg_offset & (SECTOR_SIZE - 1)) || ++ (pg_len & (SECTOR_SIZE - 1))){ ++ /* ahh, nasty case. We have to do sync full sector ++ * read-modify-write cycles. ++ */ ++ unsigned int saved_offset = pg_offset; ++ ret = bl_read_partial_page_sync(pages[i], be, pg_offset, ++ pg_len, false); ++ pg_offset = round_down(pg_offset, SECTOR_SIZE); ++ pg_len = round_up(saved_offset + pg_len, SECTOR_SIZE) ++ - pg_offset; + } +- bio = bl_add_page_to_bio(bio, wdata->npages - i, WRITE, ++ ++ ++ bio = do_add_page_to_bio(bio, wdata->npages - i, WRITE, + isect, pages[i], be, +- bl_end_io_write, par); ++ bl_end_io_write, par, ++ pg_offset, pg_len); + if (IS_ERR(bio)) { + wdata->pnfs_error = PTR_ERR(bio); + bio = NULL; + goto out; + } ++ offset += saved_len; ++ count -= saved_len; + isect += PAGE_CACHE_SECTORS; + last_isect = isect; + extent_length -= PAGE_CACHE_SECTORS; +@@ -662,12 +816,10 @@ next_page: + } + + write_done: +- wdata->res.count = (last_isect << SECTOR_SHIFT) - (offset); +- if (count < wdata->res.count) { +- wdata->res.count = count; +- } ++ wdata->res.count = wdata->args.count; + out: + bl_put_extent(be); ++ bl_put_extent(cow_read); + bl_submit_bio(WRITE, bio); + put_parallel(par); + return PNFS_ATTEMPTED; +diff --git a/fs/nfs/blocklayout/blocklayout.h b/fs/nfs/blocklayout/blocklayout.h +index 42acf7e..519a9de 100644 +--- a/fs/nfs/blocklayout/blocklayout.h ++++ b/fs/nfs/blocklayout/blocklayout.h +@@ -40,6 +40,7 @@ + + #define PAGE_CACHE_SECTORS (PAGE_CACHE_SIZE >> SECTOR_SHIFT) + #define PAGE_CACHE_SECTOR_SHIFT (PAGE_CACHE_SHIFT - SECTOR_SHIFT) ++#define SECTOR_SIZE (1 << SECTOR_SHIFT) + + struct block_mount_id { + spinlock_t bm_lock; /* protects list */ +diff --git a/fs/udf/super.c b/fs/udf/super.c +index 516b7f0..f66439e 100644 +--- a/fs/udf/super.c ++++ b/fs/udf/super.c +@@ -1289,6 +1289,7 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block, + udf_err(sb, "error loading logical volume descriptor: " + "Partition table too long (%u > %lu)\n", table_len, + sb->s_blocksize - sizeof(*lvd)); ++ ret = 1; + goto out_bh; + } + +@@ -1333,8 +1334,10 @@ static int udf_load_logicalvol(struct super_block *sb, sector_t block, + UDF_ID_SPARABLE, + strlen(UDF_ID_SPARABLE))) { + if (udf_load_sparable_map(sb, map, +- (struct sparablePartitionMap *)gpm) < 0) ++ (struct sparablePartitionMap *)gpm) < 0) { ++ ret = 1; + goto out_bh; ++ } + } else if (!strncmp(upm2->partIdent.ident, + UDF_ID_METADATA, + strlen(UDF_ID_METADATA))) { +diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h +index 7978eec..3e8f2f7 100644 +--- a/include/linux/mempolicy.h ++++ b/include/linux/mempolicy.h +@@ -188,7 +188,7 @@ struct sp_node { + + struct shared_policy { + struct rb_root root; +- spinlock_t lock; ++ struct mutex mutex; + }; + + void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol); +diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h +index 67cc215..1874c5e 100644 +--- a/include/linux/pci_ids.h ++++ b/include/linux/pci_ids.h +@@ -1823,7 +1823,6 @@ + #define PCI_DEVICE_ID_SIIG_8S_20x_650 0x2081 + #define PCI_DEVICE_ID_SIIG_8S_20x_850 0x2082 + #define PCI_SUBDEVICE_ID_SIIG_QUARTET_SERIAL 0x2050 +-#define PCI_SUBDEVICE_ID_SIIG_DUAL_SERIAL 0x2530 + + #define PCI_VENDOR_ID_RADISYS 0x1331 + +diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h +index e5a7b9a..416dcb0 100644 +--- a/include/net/ip_vs.h ++++ b/include/net/ip_vs.h +@@ -1353,7 +1353,7 @@ static inline void ip_vs_notrack(struct sk_buff *skb) + struct nf_conn *ct = nf_ct_get(skb, &ctinfo); + + if (!ct || !nf_ct_is_untracked(ct)) { +- nf_reset(skb); ++ nf_conntrack_put(skb->nfct); + skb->nfct = &nf_ct_untracked_get()->ct_general; + skb->nfctinfo = IP_CT_NEW; + nf_conntrack_get(skb->nfct); +diff --git a/kernel/rcutree.c b/kernel/rcutree.c +index 6b76d81..a122196 100644 +--- a/kernel/rcutree.c ++++ b/kernel/rcutree.c +@@ -292,7 +292,9 @@ cpu_has_callbacks_ready_to_invoke(struct rcu_data *rdp) + static int + cpu_needs_another_gp(struct rcu_state *rsp, struct rcu_data *rdp) + { +- return *rdp->nxttail[RCU_DONE_TAIL] && !rcu_gp_in_progress(rsp); ++ return *rdp->nxttail[RCU_DONE_TAIL + ++ ACCESS_ONCE(rsp->completed) != rdp->completed] && ++ !rcu_gp_in_progress(rsp); + } + + /* +diff --git a/kernel/sched_stoptask.c b/kernel/sched_stoptask.c +index 8b44e7f..85e9da2 100644 +--- a/kernel/sched_stoptask.c ++++ b/kernel/sched_stoptask.c +@@ -25,8 +25,10 @@ static struct task_struct *pick_next_task_stop(struct rq *rq) + { + struct task_struct *stop = rq->stop; + +- if (stop && stop->on_rq) ++ if (stop && stop->on_rq) { ++ stop->se.exec_start = rq->clock_task; + return stop; ++ } + + return NULL; + } +@@ -50,6 +52,21 @@ static void yield_task_stop(struct rq *rq) + + static void put_prev_task_stop(struct rq *rq, struct task_struct *prev) + { ++ struct task_struct *curr = rq->curr; ++ u64 delta_exec; ++ ++ delta_exec = rq->clock_task - curr->se.exec_start; ++ if (unlikely((s64)delta_exec < 0)) ++ delta_exec = 0; ++ ++ schedstat_set(curr->se.statistics.exec_max, ++ max(curr->se.statistics.exec_max, delta_exec)); ++ ++ curr->se.sum_exec_runtime += delta_exec; ++ account_group_exec_runtime(curr, delta_exec); ++ ++ curr->se.exec_start = rq->clock_task; ++ cpuacct_charge(curr, delta_exec); + } + + static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued) +@@ -58,6 +75,9 @@ static void task_tick_stop(struct rq *rq, struct task_struct *curr, int queued) + + static void set_curr_task_stop(struct rq *rq) + { ++ struct task_struct *stop = rq->stop; ++ ++ stop->se.exec_start = rq->clock_task; + } + + static void switched_to_stop(struct rq *rq, struct task_struct *p) +diff --git a/kernel/sys.c b/kernel/sys.c +index 481611f..c504302 100644 +--- a/kernel/sys.c ++++ b/kernel/sys.c +@@ -365,6 +365,7 @@ EXPORT_SYMBOL(unregister_reboot_notifier); + void kernel_restart(char *cmd) + { + kernel_restart_prepare(cmd); ++ disable_nonboot_cpus(); + if (!cmd) + printk(KERN_EMERG "Restarting system.\n"); + else +diff --git a/kernel/workqueue.c b/kernel/workqueue.c +index b413138..43a19c5 100644 +--- a/kernel/workqueue.c ++++ b/kernel/workqueue.c +@@ -1726,10 +1726,9 @@ static void move_linked_works(struct work_struct *work, struct list_head *head, + *nextp = n; + } + +-static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq) ++static void cwq_activate_delayed_work(struct work_struct *work) + { +- struct work_struct *work = list_first_entry(&cwq->delayed_works, +- struct work_struct, entry); ++ struct cpu_workqueue_struct *cwq = get_work_cwq(work); + struct list_head *pos = gcwq_determine_ins_pos(cwq->gcwq, cwq); + + trace_workqueue_activate_work(work); +@@ -1738,6 +1737,14 @@ static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq) + cwq->nr_active++; + } + ++static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq) ++{ ++ struct work_struct *work = list_first_entry(&cwq->delayed_works, ++ struct work_struct, entry); ++ ++ cwq_activate_delayed_work(work); ++} ++ + /** + * cwq_dec_nr_in_flight - decrement cwq's nr_in_flight + * @cwq: cwq of interest +@@ -1869,7 +1876,9 @@ __acquires(&gcwq->lock) + + spin_unlock_irq(&gcwq->lock); + ++ smp_wmb(); /* paired with test_and_set_bit(PENDING) */ + work_clear_pending(work); ++ + lock_map_acquire_read(&cwq->wq->lockdep_map); + lock_map_acquire(&lockdep_map); + trace_workqueue_execute_start(work); +@@ -2626,6 +2635,18 @@ static int try_to_grab_pending(struct work_struct *work) + smp_rmb(); + if (gcwq == get_work_gcwq(work)) { + debug_work_deactivate(work); ++ ++ /* ++ * A delayed work item cannot be grabbed directly ++ * because it might have linked NO_COLOR work items ++ * which, if left on the delayed_list, will confuse ++ * cwq->nr_active management later on and cause ++ * stall. Make sure the work item is activated ++ * before grabbing. ++ */ ++ if (*work_data_bits(work) & WORK_STRUCT_DELAYED) ++ cwq_activate_delayed_work(work); ++ + list_del_init(&work->entry); + cwq_dec_nr_in_flight(get_work_cwq(work), + get_work_color(work), +diff --git a/lib/gcd.c b/lib/gcd.c +index f879033..433d89b 100644 +--- a/lib/gcd.c ++++ b/lib/gcd.c +@@ -9,6 +9,9 @@ unsigned long gcd(unsigned long a, unsigned long b) + + if (a < b) + swap(a, b); ++ ++ if (!b) ++ return a; + while ((r = a % b) != 0) { + a = b; + b = r; +diff --git a/mm/hugetlb.c b/mm/hugetlb.c +index 0f897b8..d6c0fdf 100644 +--- a/mm/hugetlb.c ++++ b/mm/hugetlb.c +@@ -2429,8 +2429,8 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma, + * from page cache lookup which is in HPAGE_SIZE units. + */ + address = address & huge_page_mask(h); +- pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) +- + (vma->vm_pgoff >> PAGE_SHIFT); ++ pgoff = ((address - vma->vm_start) >> PAGE_SHIFT) + ++ vma->vm_pgoff; + mapping = vma->vm_file->f_dentry->d_inode->i_mapping; + + /* +diff --git a/mm/mempolicy.c b/mm/mempolicy.c +index 11b8d47..4c82c21 100644 +--- a/mm/mempolicy.c ++++ b/mm/mempolicy.c +@@ -607,24 +607,39 @@ check_range(struct mm_struct *mm, unsigned long start, unsigned long end, + return first; + } + +-/* Apply policy to a single VMA */ +-static int policy_vma(struct vm_area_struct *vma, struct mempolicy *new) ++/* ++ * Apply policy to a single VMA ++ * This must be called with the mmap_sem held for writing. ++ */ ++static int vma_replace_policy(struct vm_area_struct *vma, ++ struct mempolicy *pol) + { +- int err = 0; +- struct mempolicy *old = vma->vm_policy; ++ int err; ++ struct mempolicy *old; ++ struct mempolicy *new; + + pr_debug("vma %lx-%lx/%lx vm_ops %p vm_file %p set_policy %p\n", + vma->vm_start, vma->vm_end, vma->vm_pgoff, + vma->vm_ops, vma->vm_file, + vma->vm_ops ? vma->vm_ops->set_policy : NULL); + +- if (vma->vm_ops && vma->vm_ops->set_policy) ++ new = mpol_dup(pol); ++ if (IS_ERR(new)) ++ return PTR_ERR(new); ++ ++ if (vma->vm_ops && vma->vm_ops->set_policy) { + err = vma->vm_ops->set_policy(vma, new); +- if (!err) { +- mpol_get(new); +- vma->vm_policy = new; +- mpol_put(old); ++ if (err) ++ goto err_out; + } ++ ++ old = vma->vm_policy; ++ vma->vm_policy = new; /* protected by mmap_sem */ ++ mpol_put(old); ++ ++ return 0; ++ err_out: ++ mpol_put(new); + return err; + } + +@@ -675,7 +690,7 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, + if (err) + goto out; + } +- err = policy_vma(vma, new_pol); ++ err = vma_replace_policy(vma, new_pol); + if (err) + goto out; + } +@@ -1507,8 +1522,18 @@ struct mempolicy *get_vma_policy(struct task_struct *task, + addr); + if (vpol) + pol = vpol; +- } else if (vma->vm_policy) ++ } else if (vma->vm_policy) { + pol = vma->vm_policy; ++ ++ /* ++ * shmem_alloc_page() passes MPOL_F_SHARED policy with ++ * a pseudo vma whose vma->vm_ops=NULL. Take a reference ++ * count on these policies which will be dropped by ++ * mpol_cond_put() later ++ */ ++ if (mpol_needs_cond_ref(pol)) ++ mpol_get(pol); ++ } + } + if (!pol) + pol = &default_policy; +@@ -2032,7 +2057,7 @@ int __mpol_equal(struct mempolicy *a, struct mempolicy *b) + */ + + /* lookup first element intersecting start-end */ +-/* Caller holds sp->lock */ ++/* Caller holds sp->mutex */ + static struct sp_node * + sp_lookup(struct shared_policy *sp, unsigned long start, unsigned long end) + { +@@ -2096,36 +2121,50 @@ mpol_shared_policy_lookup(struct shared_policy *sp, unsigned long idx) + + if (!sp->root.rb_node) + return NULL; +- spin_lock(&sp->lock); ++ mutex_lock(&sp->mutex); + sn = sp_lookup(sp, idx, idx+1); + if (sn) { + mpol_get(sn->policy); + pol = sn->policy; + } +- spin_unlock(&sp->lock); ++ mutex_unlock(&sp->mutex); + return pol; + } + ++static void sp_free(struct sp_node *n) ++{ ++ mpol_put(n->policy); ++ kmem_cache_free(sn_cache, n); ++} ++ + static void sp_delete(struct shared_policy *sp, struct sp_node *n) + { + pr_debug("deleting %lx-l%lx\n", n->start, n->end); + rb_erase(&n->nd, &sp->root); +- mpol_put(n->policy); +- kmem_cache_free(sn_cache, n); ++ sp_free(n); + } + + static struct sp_node *sp_alloc(unsigned long start, unsigned long end, + struct mempolicy *pol) + { +- struct sp_node *n = kmem_cache_alloc(sn_cache, GFP_KERNEL); ++ struct sp_node *n; ++ struct mempolicy *newpol; + ++ n = kmem_cache_alloc(sn_cache, GFP_KERNEL); + if (!n) + return NULL; ++ ++ newpol = mpol_dup(pol); ++ if (IS_ERR(newpol)) { ++ kmem_cache_free(sn_cache, n); ++ return NULL; ++ } ++ newpol->flags |= MPOL_F_SHARED; ++ + n->start = start; + n->end = end; +- mpol_get(pol); +- pol->flags |= MPOL_F_SHARED; /* for unref */ +- n->policy = pol; ++ n->policy = newpol; ++ + return n; + } + +@@ -2133,10 +2172,10 @@ static struct sp_node *sp_alloc(unsigned long start, unsigned long end, + static int shared_policy_replace(struct shared_policy *sp, unsigned long start, + unsigned long end, struct sp_node *new) + { +- struct sp_node *n, *new2 = NULL; ++ struct sp_node *n; ++ int ret = 0; + +-restart: +- spin_lock(&sp->lock); ++ mutex_lock(&sp->mutex); + n = sp_lookup(sp, start, end); + /* Take care of old policies in the same range. */ + while (n && n->start < end) { +@@ -2149,16 +2188,14 @@ restart: + } else { + /* Old policy spanning whole new range. */ + if (n->end > end) { ++ struct sp_node *new2; ++ new2 = sp_alloc(end, n->end, n->policy); + if (!new2) { +- spin_unlock(&sp->lock); +- new2 = sp_alloc(end, n->end, n->policy); +- if (!new2) +- return -ENOMEM; +- goto restart; ++ ret = -ENOMEM; ++ goto out; + } + n->end = start; + sp_insert(sp, new2); +- new2 = NULL; + break; + } else + n->end = start; +@@ -2169,12 +2206,9 @@ restart: + } + if (new) + sp_insert(sp, new); +- spin_unlock(&sp->lock); +- if (new2) { +- mpol_put(new2->policy); +- kmem_cache_free(sn_cache, new2); +- } +- return 0; ++out: ++ mutex_unlock(&sp->mutex); ++ return ret; + } + + /** +@@ -2192,7 +2226,7 @@ void mpol_shared_policy_init(struct shared_policy *sp, struct mempolicy *mpol) + int ret; + + sp->root = RB_ROOT; /* empty tree == default mempolicy */ +- spin_lock_init(&sp->lock); ++ mutex_init(&sp->mutex); + + if (mpol) { + struct vm_area_struct pvma; +@@ -2246,7 +2280,7 @@ int mpol_set_shared_policy(struct shared_policy *info, + } + err = shared_policy_replace(info, vma->vm_pgoff, vma->vm_pgoff+sz, new); + if (err && new) +- kmem_cache_free(sn_cache, new); ++ sp_free(new); + return err; + } + +@@ -2258,16 +2292,14 @@ void mpol_free_shared_policy(struct shared_policy *p) + + if (!p->root.rb_node) + return; +- spin_lock(&p->lock); ++ mutex_lock(&p->mutex); + next = rb_first(&p->root); + while (next) { + n = rb_entry(next, struct sp_node, nd); + next = rb_next(&n->nd); +- rb_erase(&n->nd, &p->root); +- mpol_put(n->policy); +- kmem_cache_free(sn_cache, n); ++ sp_delete(p, n); + } +- spin_unlock(&p->lock); ++ mutex_unlock(&p->mutex); + } + + /* assumes fs == KERNEL_DS */ +diff --git a/mm/slab.c b/mm/slab.c +index cd3ab93..4c3b671 100644 +--- a/mm/slab.c ++++ b/mm/slab.c +@@ -1669,9 +1669,6 @@ void __init kmem_cache_init_late(void) + + g_cpucache_up = LATE; + +- /* Annotate slab for lockdep -- annotate the malloc caches */ +- init_lock_keys(); +- + /* 6) resize the head arrays to their final sizes */ + mutex_lock(&cache_chain_mutex); + list_for_each_entry(cachep, &cache_chain, next) +@@ -1679,6 +1676,9 @@ void __init kmem_cache_init_late(void) + BUG(); + mutex_unlock(&cache_chain_mutex); + ++ /* Annotate slab for lockdep -- annotate the malloc caches */ ++ init_lock_keys(); ++ + /* Done! */ + g_cpucache_up = FULL; + +diff --git a/mm/truncate.c b/mm/truncate.c +index 632b15e..00fb58a 100644 +--- a/mm/truncate.c ++++ b/mm/truncate.c +@@ -394,11 +394,12 @@ invalidate_complete_page2(struct address_space *mapping, struct page *page) + if (page_has_private(page) && !try_to_release_page(page, GFP_KERNEL)) + return 0; + ++ clear_page_mlock(page); ++ + spin_lock_irq(&mapping->tree_lock); + if (PageDirty(page)) + goto failed; + +- clear_page_mlock(page); + BUG_ON(page_has_private(page)); + __delete_from_page_cache(page); + spin_unlock_irq(&mapping->tree_lock); +diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +index de9da21..d7d63f4 100644 +--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c ++++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +@@ -84,6 +84,14 @@ static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff, + *dataoff = nhoff + (iph->ihl << 2); + *protonum = iph->protocol; + ++ /* Check bogus IP headers */ ++ if (*dataoff > skb->len) { ++ pr_debug("nf_conntrack_ipv4: bogus IPv4 packet: " ++ "nhoff %u, ihl %u, skblen %u\n", ++ nhoff, iph->ihl << 2, skb->len); ++ return -NF_ACCEPT; ++ } ++ + return NF_ACCEPT; + } + +diff --git a/net/ipv4/netfilter/nf_nat_sip.c b/net/ipv4/netfilter/nf_nat_sip.c +index 78844d9..6609a84 100644 +--- a/net/ipv4/netfilter/nf_nat_sip.c ++++ b/net/ipv4/netfilter/nf_nat_sip.c +@@ -148,7 +148,7 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff, + if (ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen, + hdr, NULL, &matchoff, &matchlen, + &addr, &port) > 0) { +- unsigned int matchend, poff, plen, buflen, n; ++ unsigned int olen, matchend, poff, plen, buflen, n; + char buffer[sizeof("nnn.nnn.nnn.nnn:nnnnn")]; + + /* We're only interested in headers related to this +@@ -163,11 +163,12 @@ static unsigned int ip_nat_sip(struct sk_buff *skb, unsigned int dataoff, + goto next; + } + ++ olen = *datalen; + if (!map_addr(skb, dataoff, dptr, datalen, matchoff, matchlen, + &addr, port)) + return NF_DROP; + +- matchend = matchoff + matchlen; ++ matchend = matchoff + matchlen + *datalen - olen; + + /* The maddr= parameter (RFC 2361) specifies where to send + * the reply. */ +@@ -501,7 +502,10 @@ static unsigned int ip_nat_sdp_media(struct sk_buff *skb, unsigned int dataoff, + ret = nf_ct_expect_related(rtcp_exp); + if (ret == 0) + break; +- else if (ret != -EBUSY) { ++ else if (ret == -EBUSY) { ++ nf_ct_unexpect_related(rtp_exp); ++ continue; ++ } else if (ret < 0) { + nf_ct_unexpect_related(rtp_exp); + port = 0; + break; +diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c +index 340c80d..7918eb7 100644 +--- a/net/netfilter/nf_conntrack_expect.c ++++ b/net/netfilter/nf_conntrack_expect.c +@@ -366,23 +366,6 @@ static void evict_oldest_expect(struct nf_conn *master, + } + } + +-static inline int refresh_timer(struct nf_conntrack_expect *i) +-{ +- struct nf_conn_help *master_help = nfct_help(i->master); +- const struct nf_conntrack_expect_policy *p; +- +- if (!del_timer(&i->timeout)) +- return 0; +- +- p = &rcu_dereference_protected( +- master_help->helper, +- lockdep_is_held(&nf_conntrack_lock) +- )->expect_policy[i->class]; +- i->timeout.expires = jiffies + p->timeout * HZ; +- add_timer(&i->timeout); +- return 1; +-} +- + static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) + { + const struct nf_conntrack_expect_policy *p; +@@ -390,7 +373,7 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) + struct nf_conn *master = expect->master; + struct nf_conn_help *master_help = nfct_help(master); + struct net *net = nf_ct_exp_net(expect); +- struct hlist_node *n; ++ struct hlist_node *n, *next; + unsigned int h; + int ret = 1; + +@@ -401,12 +384,12 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) + goto out; + } + h = nf_ct_expect_dst_hash(&expect->tuple); +- hlist_for_each_entry(i, n, &net->ct.expect_hash[h], hnode) { ++ hlist_for_each_entry_safe(i, n, next, &net->ct.expect_hash[h], hnode) { + if (expect_matches(i, expect)) { +- /* Refresh timer: if it's dying, ignore.. */ +- if (refresh_timer(i)) { +- ret = 0; +- goto out; ++ if (del_timer(&i->timeout)) { ++ nf_ct_unlink_expect(i); ++ nf_ct_expect_put(i); ++ break; + } + } else if (expect_clash(i, expect)) { + ret = -EBUSY; +diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c +index dfd52ba..8f3f280 100644 +--- a/net/netfilter/xt_hashlimit.c ++++ b/net/netfilter/xt_hashlimit.c +@@ -389,8 +389,7 @@ static void htable_put(struct xt_hashlimit_htable *hinfo) + #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ) + + /* Precision saver. */ +-static inline u_int32_t +-user2credits(u_int32_t user) ++static u32 user2credits(u32 user) + { + /* If multiplying would overflow... */ + if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY)) +@@ -400,7 +399,7 @@ user2credits(u_int32_t user) + return (user * HZ * CREDITS_PER_JIFFY) / XT_HASHLIMIT_SCALE; + } + +-static inline void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now) ++static void rateinfo_recalc(struct dsthash_ent *dh, unsigned long now) + { + dh->rateinfo.credit += (now - dh->rateinfo.prev) * CREDITS_PER_JIFFY; + if (dh->rateinfo.credit > dh->rateinfo.credit_cap) +@@ -531,8 +530,7 @@ hashlimit_mt(const struct sk_buff *skb, struct xt_action_param *par) + dh->rateinfo.prev = jiffies; + dh->rateinfo.credit = user2credits(hinfo->cfg.avg * + hinfo->cfg.burst); +- dh->rateinfo.credit_cap = user2credits(hinfo->cfg.avg * +- hinfo->cfg.burst); ++ dh->rateinfo.credit_cap = dh->rateinfo.credit; + dh->rateinfo.cost = user2credits(hinfo->cfg.avg); + } else { + /* update expiration timeout */ +diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c +index 32b7a57..a4c1e45 100644 +--- a/net/netfilter/xt_limit.c ++++ b/net/netfilter/xt_limit.c +@@ -88,8 +88,7 @@ limit_mt(const struct sk_buff *skb, struct xt_action_param *par) + } + + /* Precision saver. */ +-static u_int32_t +-user2credits(u_int32_t user) ++static u32 user2credits(u32 user) + { + /* If multiplying would overflow... */ + if (user > 0xFFFFFFFF / (HZ*CREDITS_PER_JIFFY)) +@@ -118,12 +117,12 @@ static int limit_mt_check(const struct xt_mtchk_param *par) + + /* For SMP, we only want to use one set of state. */ + r->master = priv; ++ /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies * ++ 128. */ ++ priv->prev = jiffies; ++ priv->credit = user2credits(r->avg * r->burst); /* Credits full. */ + if (r->cost == 0) { +- /* User avg in seconds * XT_LIMIT_SCALE: convert to jiffies * +- 128. */ +- priv->prev = jiffies; +- priv->credit = user2credits(r->avg * r->burst); /* Credits full. */ +- r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */ ++ r->credit_cap = priv->credit; /* Credits full. */ + r->cost = user2credits(r->avg); + } + return 0; +diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c +index c5391af..10a385b 100644 +--- a/net/sunrpc/xprtsock.c ++++ b/net/sunrpc/xprtsock.c +@@ -1028,6 +1028,16 @@ static void xs_udp_data_ready(struct sock *sk, int len) + read_unlock_bh(&sk->sk_callback_lock); + } + ++/* ++ * Helper function to force a TCP close if the server is sending ++ * junk and/or it has put us in CLOSE_WAIT ++ */ ++static void xs_tcp_force_close(struct rpc_xprt *xprt) ++{ ++ set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); ++ xprt_force_disconnect(xprt); ++} ++ + static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_reader *desc) + { + struct sock_xprt *transport = container_of(xprt, struct sock_xprt, xprt); +@@ -1054,7 +1064,7 @@ static inline void xs_tcp_read_fraghdr(struct rpc_xprt *xprt, struct xdr_skb_rea + /* Sanity check of the record length */ + if (unlikely(transport->tcp_reclen < 8)) { + dprintk("RPC: invalid TCP record fragment length\n"); +- xprt_force_disconnect(xprt); ++ xs_tcp_force_close(xprt); + return; + } + dprintk("RPC: reading TCP record fragment of length %d\n", +@@ -1135,7 +1145,7 @@ static inline void xs_tcp_read_calldir(struct sock_xprt *transport, + break; + default: + dprintk("RPC: invalid request message type\n"); +- xprt_force_disconnect(&transport->xprt); ++ xs_tcp_force_close(&transport->xprt); + } + xs_tcp_check_fraghdr(transport); + } +@@ -1458,6 +1468,8 @@ static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt) + static void xs_sock_mark_closed(struct rpc_xprt *xprt) + { + smp_mb__before_clear_bit(); ++ clear_bit(XPRT_CONNECTION_ABORT, &xprt->state); ++ clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state); + clear_bit(XPRT_CLOSE_WAIT, &xprt->state); + clear_bit(XPRT_CLOSING, &xprt->state); + smp_mb__after_clear_bit(); +@@ -1515,8 +1527,8 @@ static void xs_tcp_state_change(struct sock *sk) + break; + case TCP_CLOSE_WAIT: + /* The server initiated a shutdown of the socket */ +- xprt_force_disconnect(xprt); + xprt->connect_cookie++; ++ xs_tcp_force_close(xprt); + case TCP_CLOSING: + /* + * If the server closed down the connection, make sure that +@@ -2159,8 +2171,7 @@ static void xs_tcp_setup_socket(struct work_struct *work) + /* We're probably in TIME_WAIT. Get rid of existing socket, + * and retry + */ +- set_bit(XPRT_CONNECTION_CLOSE, &xprt->state); +- xprt_force_disconnect(xprt); ++ xs_tcp_force_close(xprt); + break; + case -ECONNREFUSED: + case -ECONNRESET: +diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include +index d897278..978416d 100644 +--- a/scripts/Kbuild.include ++++ b/scripts/Kbuild.include +@@ -98,24 +98,24 @@ try-run = $(shell set -e; \ + # Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,) + + as-option = $(call try-run,\ +- $(CC) $(KBUILD_CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2)) ++ $(CC) $(KBUILD_CFLAGS) $(1) -c -x assembler /dev/null -o "$$TMP",$(1),$(2)) + + # as-instr + # Usage: cflags-y += $(call as-instr,instr,option1,option2) + + as-instr = $(call try-run,\ +- /bin/echo -e "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3)) ++ printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3)) + + # cc-option + # Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586) + + cc-option = $(call try-run,\ +- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",$(1),$(2)) ++ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2)) + + # cc-option-yn + # Usage: flag := $(call cc-option-yn,-march=winchip-c6) + cc-option-yn = $(call try-run,\ +- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP",y,n) ++ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n) + + # cc-option-align + # Prefix align with either -falign or -malign +@@ -125,7 +125,7 @@ cc-option-align = $(subst -functions=0,,\ + # cc-disable-warning + # Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable) + cc-disable-warning = $(call try-run,\ +- $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -xc /dev/null -o "$$TMP",-Wno-$(strip $(1))) ++ $(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1))) + + # cc-version + # Usage gcc-ver := $(call cc-version) +@@ -143,7 +143,7 @@ cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3)) + # cc-ldoption + # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) + cc-ldoption = $(call try-run,\ +- $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2)) ++ $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) + + # ld-option + # Usage: LDFLAGS += $(call ld-option, -X) +@@ -209,7 +209,7 @@ endif + # >$< substitution to preserve $ when reloading .cmd file + # note: when using inline perl scripts [perl -e '...$$t=1;...'] + # in $(cmd_xxx) double $$ your perl vars +-make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))) ++make-cmd = $(subst \\,\\\\,$(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))) + + # Find any prerequisites that is newer than target or that does not exist. + # PHONY targets skipped in both cases. +diff --git a/scripts/gcc-version.sh b/scripts/gcc-version.sh +index debecb5..7f2126d 100644 +--- a/scripts/gcc-version.sh ++++ b/scripts/gcc-version.sh +@@ -22,10 +22,10 @@ if [ ${#compiler} -eq 0 ]; then + exit 1 + fi + +-MAJOR=$(echo __GNUC__ | $compiler -E -xc - | tail -n 1) +-MINOR=$(echo __GNUC_MINOR__ | $compiler -E -xc - | tail -n 1) ++MAJOR=$(echo __GNUC__ | $compiler -E -x c - | tail -n 1) ++MINOR=$(echo __GNUC_MINOR__ | $compiler -E -x c - | tail -n 1) + if [ "x$with_patchlevel" != "x" ] ; then +- PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -xc - | tail -n 1) ++ PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | $compiler -E -x c - | tail -n 1) + printf "%02d%02d%02d\\n" $MAJOR $MINOR $PATCHLEVEL + else + printf "%02d%02d\\n" $MAJOR $MINOR +diff --git a/scripts/gcc-x86_32-has-stack-protector.sh b/scripts/gcc-x86_32-has-stack-protector.sh +index 29493dc..12dbd0b 100644 +--- a/scripts/gcc-x86_32-has-stack-protector.sh ++++ b/scripts/gcc-x86_32-has-stack-protector.sh +@@ -1,6 +1,6 @@ + #!/bin/sh + +-echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" ++echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -fstack-protector - -o - 2> /dev/null | grep -q "%gs" + if [ "$?" -eq "0" ] ; then + echo y + else +diff --git a/scripts/gcc-x86_64-has-stack-protector.sh b/scripts/gcc-x86_64-has-stack-protector.sh +index afaec61..973e8c1 100644 +--- a/scripts/gcc-x86_64-has-stack-protector.sh ++++ b/scripts/gcc-x86_64-has-stack-protector.sh +@@ -1,6 +1,6 @@ + #!/bin/sh + +-echo "int foo(void) { char X[200]; return 3; }" | $* -S -xc -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" ++echo "int foo(void) { char X[200]; return 3; }" | $* -S -x c -c -O0 -mcmodel=kernel -fstack-protector - -o - 2> /dev/null | grep -q "%gs" + if [ "$?" -eq "0" ] ; then + echo y + else +diff --git a/scripts/kconfig/check.sh b/scripts/kconfig/check.sh +index fa59cbf..854d9c7 100755 +--- a/scripts/kconfig/check.sh ++++ b/scripts/kconfig/check.sh +@@ -1,6 +1,6 @@ + #!/bin/sh + # Needed for systems without gettext +-$* -xc -o /dev/null - > /dev/null 2>&1 << EOF ++$* -x c -o /dev/null - > /dev/null 2>&1 << EOF + #include <libintl.h> + int main() + { +diff --git a/scripts/kconfig/lxdialog/check-lxdialog.sh b/scripts/kconfig/lxdialog/check-lxdialog.sh +index 82cc3a8..50df490 100644 +--- a/scripts/kconfig/lxdialog/check-lxdialog.sh ++++ b/scripts/kconfig/lxdialog/check-lxdialog.sh +@@ -38,7 +38,7 @@ trap "rm -f $tmp" 0 1 2 3 15 + + # Check if we can link to ncurses + check() { +- $cc -xc - -o $tmp 2>/dev/null <<'EOF' ++ $cc -x c - -o $tmp 2>/dev/null <<'EOF' + #include CURSES_LOC + main() {} + EOF +diff --git a/scripts/kconfig/streamline_config.pl b/scripts/kconfig/streamline_config.pl +index bccf07dd..3346f42 100644 +--- a/scripts/kconfig/streamline_config.pl ++++ b/scripts/kconfig/streamline_config.pl +@@ -463,6 +463,8 @@ while(<CIN>) { + if (defined($configs{$1})) { + if ($localyesconfig) { + $setconfigs{$1} = 'y'; ++ print "$1=y\n"; ++ next; + } else { + $setconfigs{$1} = $2; + } +diff --git a/scripts/package/buildtar b/scripts/package/buildtar +index 8a7b155..d0d748e 100644 +--- a/scripts/package/buildtar ++++ b/scripts/package/buildtar +@@ -109,7 +109,7 @@ esac + if tar --owner=root --group=root --help >/dev/null 2>&1; then + opts="--owner=root --group=root" + fi +- tar cf - . $opts | ${compress} > "${tarball}${file_ext}" ++ tar cf - boot/* lib/* $opts | ${compress} > "${tarball}${file_ext}" + ) + + echo "Tarball successfully created in ${tarball}${file_ext}" +diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c +index d83bafc..193ce81 100644 +--- a/sound/drivers/aloop.c ++++ b/sound/drivers/aloop.c +@@ -119,6 +119,7 @@ struct loopback_pcm { + unsigned int period_size_frac; + unsigned long last_jiffies; + struct timer_list timer; ++ spinlock_t timer_lock; + }; + + static struct platform_device *devices[SNDRV_CARDS]; +@@ -169,6 +170,7 @@ static void loopback_timer_start(struct loopback_pcm *dpcm) + unsigned long tick; + unsigned int rate_shift = get_rate_shift(dpcm); + ++ spin_lock(&dpcm->timer_lock); + if (rate_shift != dpcm->pcm_rate_shift) { + dpcm->pcm_rate_shift = rate_shift; + dpcm->period_size_frac = frac_pos(dpcm, dpcm->pcm_period_size); +@@ -181,12 +183,15 @@ static void loopback_timer_start(struct loopback_pcm *dpcm) + tick = (tick + dpcm->pcm_bps - 1) / dpcm->pcm_bps; + dpcm->timer.expires = jiffies + tick; + add_timer(&dpcm->timer); ++ spin_unlock(&dpcm->timer_lock); + } + + static inline void loopback_timer_stop(struct loopback_pcm *dpcm) + { ++ spin_lock(&dpcm->timer_lock); + del_timer(&dpcm->timer); + dpcm->timer.expires = 0; ++ spin_unlock(&dpcm->timer_lock); + } + + #define CABLE_VALID_PLAYBACK (1 << SNDRV_PCM_STREAM_PLAYBACK) +@@ -659,6 +664,7 @@ static int loopback_open(struct snd_pcm_substream *substream) + dpcm->substream = substream; + setup_timer(&dpcm->timer, loopback_timer_function, + (unsigned long)dpcm); ++ spin_lock_init(&dpcm->timer_lock); + + cable = loopback->cables[substream->number][dev]; + if (!cable) { +diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c +index 402f330..94f0c4a 100644 +--- a/sound/pci/hda/patch_conexant.c ++++ b/sound/pci/hda/patch_conexant.c +@@ -139,6 +139,7 @@ struct conexant_spec { + unsigned int asus:1; + unsigned int pin_eapd_ctrls:1; + unsigned int single_adc_amp:1; ++ unsigned int fixup_stereo_dmic:1; + + unsigned int adc_switching:1; + +@@ -4113,9 +4114,9 @@ static int cx_auto_init(struct hda_codec *codec) + + static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename, + const char *dir, int cidx, +- hda_nid_t nid, int hda_dir, int amp_idx) ++ hda_nid_t nid, int hda_dir, int amp_idx, int chs) + { +- static char name[32]; ++ static char name[44]; + static struct snd_kcontrol_new knew[] = { + HDA_CODEC_VOLUME(name, 0, 0, 0), + HDA_CODEC_MUTE(name, 0, 0, 0), +@@ -4125,7 +4126,7 @@ static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename, + + for (i = 0; i < 2; i++) { + struct snd_kcontrol *kctl; +- knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, 3, amp_idx, ++ knew[i].private_value = HDA_COMPOSE_AMP_VAL(nid, chs, amp_idx, + hda_dir); + knew[i].subdevice = HDA_SUBDEV_AMP_FLAG; + knew[i].index = cidx; +@@ -4144,7 +4145,7 @@ static int cx_auto_add_volume_idx(struct hda_codec *codec, const char *basename, + } + + #define cx_auto_add_volume(codec, str, dir, cidx, nid, hda_dir) \ +- cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0) ++ cx_auto_add_volume_idx(codec, str, dir, cidx, nid, hda_dir, 0, 3) + + #define cx_auto_add_pb_volume(codec, nid, str, idx) \ + cx_auto_add_volume(codec, str, " Playback", idx, nid, HDA_OUTPUT) +@@ -4214,6 +4215,36 @@ static int cx_auto_build_output_controls(struct hda_codec *codec) + return 0; + } + ++/* Returns zero if this is a normal stereo channel, and non-zero if it should ++ be split in two independent channels. ++ dest_label must be at least 44 characters. */ ++static int cx_auto_get_rightch_label(struct hda_codec *codec, const char *label, ++ char *dest_label, int nid) ++{ ++ struct conexant_spec *spec = codec->spec; ++ int i; ++ ++ if (!spec->fixup_stereo_dmic) ++ return 0; ++ ++ for (i = 0; i < AUTO_CFG_MAX_INS; i++) { ++ int def_conf; ++ if (spec->autocfg.inputs[i].pin != nid) ++ continue; ++ ++ if (spec->autocfg.inputs[i].type != AUTO_PIN_MIC) ++ return 0; ++ def_conf = snd_hda_codec_get_pincfg(codec, nid); ++ if (snd_hda_get_input_pin_attr(def_conf) != INPUT_PIN_ATTR_INT) ++ return 0; ++ ++ /* Finally found the inverted internal mic! */ ++ snprintf(dest_label, 44, "Inverted %s", label); ++ return 1; ++ } ++ return 0; ++} ++ + static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid, + const char *label, const char *pfx, + int cidx) +@@ -4222,14 +4253,25 @@ static int cx_auto_add_capture_volume(struct hda_codec *codec, hda_nid_t nid, + int i; + + for (i = 0; i < spec->num_adc_nids; i++) { ++ char rightch_label[44]; + hda_nid_t adc_nid = spec->adc_nids[i]; + int idx = get_input_connection(codec, adc_nid, nid); + if (idx < 0) + continue; + if (spec->single_adc_amp) + idx = 0; ++ ++ if (cx_auto_get_rightch_label(codec, label, rightch_label, nid)) { ++ /* Make two independent kcontrols for left and right */ ++ int err = cx_auto_add_volume_idx(codec, label, pfx, ++ cidx, adc_nid, HDA_INPUT, idx, 1); ++ if (err < 0) ++ return err; ++ return cx_auto_add_volume_idx(codec, rightch_label, pfx, ++ cidx, adc_nid, HDA_INPUT, idx, 2); ++ } + return cx_auto_add_volume_idx(codec, label, pfx, +- cidx, adc_nid, HDA_INPUT, idx); ++ cidx, adc_nid, HDA_INPUT, idx, 3); + } + return 0; + } +@@ -4242,9 +4284,19 @@ static int cx_auto_add_boost_volume(struct hda_codec *codec, int idx, + int i, con; + + nid = spec->imux_info[idx].pin; +- if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) ++ if (get_wcaps(codec, nid) & AC_WCAP_IN_AMP) { ++ char rightch_label[44]; ++ if (cx_auto_get_rightch_label(codec, label, rightch_label, nid)) { ++ int err = cx_auto_add_volume_idx(codec, label, " Boost", ++ cidx, nid, HDA_INPUT, 0, 1); ++ if (err < 0) ++ return err; ++ return cx_auto_add_volume_idx(codec, rightch_label, " Boost", ++ cidx, nid, HDA_INPUT, 0, 2); ++ } + return cx_auto_add_volume(codec, label, " Boost", cidx, + nid, HDA_INPUT); ++ } + con = __select_input_connection(codec, spec->imux_info[idx].adc, nid, + &mux, false, 0); + if (con < 0) +@@ -4398,23 +4450,31 @@ static void apply_pincfg(struct hda_codec *codec, const struct cxt_pincfg *cfg) + + } + +-static void apply_pin_fixup(struct hda_codec *codec, ++enum { ++ CXT_PINCFG_LENOVO_X200, ++ CXT_PINCFG_LENOVO_TP410, ++ CXT_FIXUP_STEREO_DMIC, ++}; ++ ++static void apply_fixup(struct hda_codec *codec, + const struct snd_pci_quirk *quirk, + const struct cxt_pincfg **table) + { ++ struct conexant_spec *spec = codec->spec; ++ + quirk = snd_pci_quirk_lookup(codec->bus->pci, quirk); +- if (quirk) { ++ if (quirk && table[quirk->value]) { + snd_printdd(KERN_INFO "hda_codec: applying pincfg for %s\n", + quirk->name); + apply_pincfg(codec, table[quirk->value]); + } ++ if (quirk->value == CXT_FIXUP_STEREO_DMIC) { ++ snd_printdd(KERN_INFO "hda_codec: applying internal mic workaround for %s\n", ++ quirk->name); ++ spec->fixup_stereo_dmic = 1; ++ } + } + +-enum { +- CXT_PINCFG_LENOVO_X200, +- CXT_PINCFG_LENOVO_TP410, +-}; +- + /* ThinkPad X200 & co with cxt5051 */ + static const struct cxt_pincfg cxt_pincfg_lenovo_x200[] = { + { 0x16, 0x042140ff }, /* HP (seq# overridden) */ +@@ -4434,6 +4494,7 @@ static const struct cxt_pincfg cxt_pincfg_lenovo_tp410[] = { + static const struct cxt_pincfg *cxt_pincfg_tbl[] = { + [CXT_PINCFG_LENOVO_X200] = cxt_pincfg_lenovo_x200, + [CXT_PINCFG_LENOVO_TP410] = cxt_pincfg_lenovo_tp410, ++ [CXT_FIXUP_STEREO_DMIC] = NULL, + }; + + static const struct snd_pci_quirk cxt5051_fixups[] = { +@@ -4447,6 +4508,9 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { + SND_PCI_QUIRK(0x17aa, 0x215f, "Lenovo T510", CXT_PINCFG_LENOVO_TP410), + SND_PCI_QUIRK(0x17aa, 0x21ce, "Lenovo T420", CXT_PINCFG_LENOVO_TP410), + SND_PCI_QUIRK(0x17aa, 0x21cf, "Lenovo T520", CXT_PINCFG_LENOVO_TP410), ++ SND_PCI_QUIRK(0x17aa, 0x3975, "Lenovo U300s", CXT_FIXUP_STEREO_DMIC), ++ SND_PCI_QUIRK(0x17aa, 0x3977, "Lenovo IdeaPad U310", CXT_FIXUP_STEREO_DMIC), ++ SND_PCI_QUIRK(0x17aa, 0x397b, "Lenovo S205", CXT_FIXUP_STEREO_DMIC), + {} + }; + +@@ -4486,10 +4550,10 @@ static int patch_conexant_auto(struct hda_codec *codec) + break; + case 0x14f15051: + add_cx5051_fake_mutes(codec); +- apply_pin_fixup(codec, cxt5051_fixups, cxt_pincfg_tbl); ++ apply_fixup(codec, cxt5051_fixups, cxt_pincfg_tbl); + break; + default: +- apply_pin_fixup(codec, cxt5066_fixups, cxt_pincfg_tbl); ++ apply_fixup(codec, cxt5066_fixups, cxt_pincfg_tbl); + break; + } + +diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c +index 323d4d9..0961d88 100644 +--- a/tools/hv/hv_kvp_daemon.c ++++ b/tools/hv/hv_kvp_daemon.c +@@ -348,7 +348,7 @@ int main(void) + fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR); + if (fd < 0) { + syslog(LOG_ERR, "netlink socket creation failed; error:%d", fd); +- exit(-1); ++ exit(EXIT_FAILURE); + } + addr.nl_family = AF_NETLINK; + addr.nl_pad = 0; +@@ -360,7 +360,7 @@ int main(void) + if (error < 0) { + syslog(LOG_ERR, "bind failed; error:%d", error); + close(fd); +- exit(-1); ++ exit(EXIT_FAILURE); + } + sock_opt = addr.nl_groups; + setsockopt(fd, 270, 1, &sock_opt, sizeof(sock_opt)); +@@ -378,7 +378,7 @@ int main(void) + if (len < 0) { + syslog(LOG_ERR, "netlink_send failed; error:%d", len); + close(fd); +- exit(-1); ++ exit(EXIT_FAILURE); + } + + pfd.fd = fd; +@@ -497,7 +497,7 @@ int main(void) + len = netlink_send(fd, incoming_cn_msg); + if (len < 0) { + syslog(LOG_ERR, "net_link send failed; error:%d", len); +- exit(-1); ++ exit(EXIT_FAILURE); + } + } + +diff --git a/tools/perf/Makefile b/tools/perf/Makefile +index b98e307..e45d2b1 100644 +--- a/tools/perf/Makefile ++++ b/tools/perf/Makefile +@@ -56,7 +56,7 @@ ifeq ($(ARCH),x86_64) + ARCH := x86 + IS_X86_64 := 0 + ifeq (, $(findstring m32,$(EXTRA_CFLAGS))) +- IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -xc - | tail -n 1) ++ IS_X86_64 := $(shell echo __x86_64__ | ${CC} -E -x c - | tail -n 1) + endif + ifeq (${IS_X86_64}, 1) + RAW_ARCH := x86_64 +diff --git a/tools/power/cpupower/Makefile b/tools/power/cpupower/Makefile +index e8a03ac..7db8da5 100644 +--- a/tools/power/cpupower/Makefile ++++ b/tools/power/cpupower/Makefile +@@ -100,7 +100,7 @@ GMO_FILES = ${shell for HLANG in ${LANGUAGES}; do echo po/$$HLANG.gmo; done;} + export CROSS CC AR STRIP RANLIB CFLAGS LDFLAGS LIB_OBJS + + # check if compiler option is supported +-cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} ++cc-supports = ${shell if $(CC) ${1} -S -o /dev/null -x c /dev/null > /dev/null 2>&1; then echo "$(1)"; fi;} + + # use '-Os' optimization if available, else use -O2 + OPTIMIZATION := $(call cc-supports,-Os,-O2) |