Message ID | 20191214001516.137526-2-jmattson@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [1/2] kvm: x86: Host feature SSBD doesn't imply guest feature SPEC_CTRL_SSBD | expand |
On 14/12/19 01:15, Jim Mattson wrote:
> [...]
Queued both, thanks.
Paolo
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index d70a08dec9b6..cf55629ff0ff 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -760,7 +760,8 @@ static inline int __do_cpuid_func(struct kvm_cpuid_entry2 *entry, u32 function, entry->ebx |= F(AMD_IBRS); if (boot_cpu_has(X86_FEATURE_STIBP)) entry->ebx |= F(AMD_STIBP); - if (boot_cpu_has(X86_FEATURE_SSBD)) + if (boot_cpu_has(X86_FEATURE_SPEC_CTRL_SSBD) || + boot_cpu_has(X86_FEATURE_AMD_SSBD)) entry->ebx |= F(AMD_SSBD); if (!boot_cpu_has_bug(X86_BUG_SPEC_STORE_BYPASS)) entry->ebx |= F(AMD_SSB_NO);