diff options
| author | Borislav Petkov (AMD) <bp@alien8.de> | 2024-11-13 13:28:33 +0100 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-12-30 17:56:00 +0100 |
| commit | 716f86b523d8ec3c17015ee0b03135c7aa6f2f08 (patch) | |
| tree | 011fdbfc6644a6074edee88a3c4d2cb694dc0c05 | |
| parent | 877818802c3e970f67ccb53012facc78bef5f97a (diff) | |
KVM: x86: Advertise SRSO_USER_KERNEL_NO to userspace
SRSO_USER_KERNEL_NO denotes whether the CPU is affected by SRSO across
user/kernel boundaries. Advertise it to guest userspace.
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Nikolay Borisov <nik.borisov@suse.com>
Link: https://lore.kernel.org/r/20241202120416.6054-3-bp@kernel.org
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index ae0b438a2c99..f7e222953cab 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -821,7 +821,7 @@ void kvm_set_cpu_caps(void) kvm_cpu_cap_mask(CPUID_8000_0021_EAX, F(NO_NESTED_DATA_BP) | F(LFENCE_RDTSC) | 0 /* SmmPgCfgLock */ | F(NULL_SEL_CLR_BASE) | F(AUTOIBRS) | 0 /* PrefetchCtlMsr */ | - F(WRMSR_XX_BASE_NS) + F(WRMSR_XX_BASE_NS) | F(SRSO_USER_KERNEL_NO) ); kvm_cpu_cap_check_and_set(X86_FEATURE_SBPB); |