diff options
Diffstat (limited to '0037-x86-spec-ctrl-Enumeration-for-PBRSB_NO.patch')
| -rw-r--r-- | 0037-x86-spec-ctrl-Enumeration-for-PBRSB_NO.patch | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/0037-x86-spec-ctrl-Enumeration-for-PBRSB_NO.patch b/0037-x86-spec-ctrl-Enumeration-for-PBRSB_NO.patch deleted file mode 100644 index bfd812b..0000000 --- a/0037-x86-spec-ctrl-Enumeration-for-PBRSB_NO.patch +++ /dev/null @@ -1,67 +0,0 @@ -From fba0c22e79922085c46527eb1391123aadfb24d1 Mon Sep 17 00:00:00 2001 -From: Andrew Cooper <andrew.cooper3@citrix.com> -Date: Mon, 15 Aug 2022 15:42:31 +0200 -Subject: [PATCH 037/126] x86/spec-ctrl: Enumeration for PBRSB_NO - -The PBRSB_NO bit indicates that the CPU is not vulnerable to the Post-Barrier -RSB speculative vulnerability. - -Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com> -Reviewed-by: Jan Beulich <jbeulich@suse.com> -master commit: b874e47eb13feb75be3ee7b5dc4ae9c97d80d774 -master date: 2022-08-11 16:19:50 +0100 ---- - xen/arch/x86/msr.c | 2 +- - xen/arch/x86/spec_ctrl.c | 3 ++- - xen/include/asm-x86/msr-index.h | 1 + - 3 files changed, 4 insertions(+), 2 deletions(-) - -diff --git a/xen/arch/x86/msr.c b/xen/arch/x86/msr.c -index aa9face9aad3..9bced8d36caa 100644 ---- a/xen/arch/x86/msr.c -+++ b/xen/arch/x86/msr.c -@@ -148,7 +148,7 @@ int init_domain_msr_policy(struct domain *d) - ARCH_CAPS_SSB_NO | ARCH_CAPS_MDS_NO | ARCH_CAPS_IF_PSCHANGE_MC_NO | - ARCH_CAPS_TAA_NO | ARCH_CAPS_SBDR_SSDP_NO | ARCH_CAPS_FBSDP_NO | - ARCH_CAPS_PSDP_NO | ARCH_CAPS_FB_CLEAR | ARCH_CAPS_RRSBA | -- ARCH_CAPS_BHI_NO); -+ ARCH_CAPS_BHI_NO | ARCH_CAPS_PBRSB_NO); - } - - d->arch.msr = mp; -diff --git a/xen/arch/x86/spec_ctrl.c b/xen/arch/x86/spec_ctrl.c -index ac73806eacd8..3ff602bd0281 100644 ---- a/xen/arch/x86/spec_ctrl.c -+++ b/xen/arch/x86/spec_ctrl.c -@@ -419,7 +419,7 @@ static void __init print_details(enum ind_thunk thunk, uint64_t caps) - * Hardware read-only information, stating immunity to certain issues, or - * suggestions of which mitigation to use. - */ -- printk(" Hardware hints:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", -+ printk(" Hardware hints:%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", - (caps & ARCH_CAPS_RDCL_NO) ? " RDCL_NO" : "", - (caps & ARCH_CAPS_IBRS_ALL) ? " IBRS_ALL" : "", - (caps & ARCH_CAPS_RSBA) ? " RSBA" : "", -@@ -431,6 +431,7 @@ static void __init print_details(enum ind_thunk thunk, uint64_t caps) - (caps & ARCH_CAPS_SBDR_SSDP_NO) ? " SBDR_SSDP_NO" : "", - (caps & ARCH_CAPS_FBSDP_NO) ? " FBSDP_NO" : "", - (caps & ARCH_CAPS_PSDP_NO) ? " PSDP_NO" : "", -+ (caps & ARCH_CAPS_PBRSB_NO) ? " PBRSB_NO" : "", - (e8b & cpufeat_mask(X86_FEATURE_IBRS_ALWAYS)) ? " IBRS_ALWAYS" : "", - (e8b & cpufeat_mask(X86_FEATURE_STIBP_ALWAYS)) ? " STIBP_ALWAYS" : "", - (e8b & cpufeat_mask(X86_FEATURE_IBRS_FAST)) ? " IBRS_FAST" : "", -diff --git a/xen/include/asm-x86/msr-index.h b/xen/include/asm-x86/msr-index.h -index 49ca1f1845e6..5a830f76a8d4 100644 ---- a/xen/include/asm-x86/msr-index.h -+++ b/xen/include/asm-x86/msr-index.h -@@ -66,6 +66,7 @@ - #define ARCH_CAPS_FB_CLEAR_CTRL (_AC(1, ULL) << 18) - #define ARCH_CAPS_RRSBA (_AC(1, ULL) << 19) - #define ARCH_CAPS_BHI_NO (_AC(1, ULL) << 20) -+#define ARCH_CAPS_PBRSB_NO (_AC(1, ULL) << 24) - - #define MSR_FLUSH_CMD 0x0000010b - #define FLUSH_CMD_L1D (_AC(1, ULL) << 0) --- -2.37.4 - |