1 files changed, 77 insertions, 0 deletions
diff --git a/app-emulation/qemu-softmmu/files/kqemu-sysfs.patch b/app-emulation/qemu-softmmu/files/kqemu-sysfs.patch
new file mode 100644
index 000000000000..05c49ca67898
--- /dev/null
+++ b/app-emulation/qemu-softmmu/files/kqemu-sysfs.patch
@@ -0,0 +1,77 @@
+--- kqemu/kmod.c	2005-02-10 23:09:09.000000000 +0100
++++ kqemu/kmod-sysfs.c	2005-02-22 19:46:44.000000000 +0100
+@@ -15,7 +15,10 @@
+ #include <asm/processor.h>
+ #include <asm/uaccess.h>
+ #include <asm/io.h>
+-
++#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
++#include <linux/device.h>
++#endif
++#include <linux/devfs_fs_kernel.h>
+ #include "kqemu.h"
+ 
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,19)
+@@ -34,6 +37,10 @@
+ int page_alloc_count;
+ #endif
+ 
++#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
++static struct class_simple *kqemu_class;
++#endif
++
+ /* lock the page at virtual address 'user_addr' and return its
+    page index. Return -1 if error */
+ unsigned long CDECL kqemu_lock_user_page(unsigned long user_addr)
+@@ -296,17 +303,51 @@
+         max_locked_pages = 32768;
+ 
+     ret = register_chrdev(KQEMU_MAJOR, "kqemu", &kqemu_fops);
++
+     if (ret < 0) {
+         printk("kqemu: could not get major %d\n", KQEMU_MAJOR);
+         return ret;
+     }
++
++#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
++    kqemu_class = class_simple_create(THIS_MODULE, "kqemu");
++
++    if (IS_ERR(kqemu_class)) {
++	unregister_chrdev(KQEMU_MAJOR, "kqemu");
++	ret = PTR_ERR(kqemu_class);
++	goto out_chrdev;
++    }
++    
++    class_simple_device_add(kqemu_class, MKDEV(KQEMU_MAJOR, 0), NULL, "kqemu");
++#endif
++
++    ret = devfs_mk_cdev(MKDEV(KQEMU_MAJOR, 0),
++			S_IFCHR|S_IRUSR|S_IWUSR, "kqemu");
++    if (ret)
++	    goto out_class;
++    
+     printk("KQEMU installed, max_instances=%d max_locked_mem=%dkB.\n",
+            KQEMU_MAX_INSTANCES, 
+            max_locked_pages * 4);
+     return 0;
++
++out_class:
++#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
++    class_simple_device_remove(MKDEV(KQEMU_MAJOR,0));
++    class_simple_destroy(kqemu_class);
++#endif
++out_chrdev:
++    unregister_chrdev(KQEMU_MAJOR, "kqemu");
++    
++    return ret;
+ }
+ 
+ void cleanup_module(void)
+ {
+     unregister_chrdev(KQEMU_MAJOR, "kqemu");
++    devfs_remove("kqemu");
++#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
++    class_simple_device_remove(MKDEV(KQEMU_MAJOR, 0));
++    class_simple_destroy(kqemu_class);
++#endif
+ }