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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2018-05-21 17:54:49 -0400
committerThomas Gleixner <tglx@linutronix.de>2018-05-23 10:55:52 +0200
commit0aa48468d00959c8a37cd3ac727284f4f7359151 (patch)
tree38606175e617cb27e3d207fab5a5917c98b152d2 /arch
parent3b78ce4a34b761c7fe13520de822984019ff1a8f (diff)
downloadlinux-0aa48468d00959c8a37cd3ac727284f4f7359151.tar.bz2
KVM/VMX: Expose SSBD properly to guests
The X86_FEATURE_SSBD is an synthetic CPU feature - that is it bit location has no relevance to the real CPUID 0x7.EBX[31] bit position. For that we need the new CPU feature name. Fixes: 52817587e706 ("x86/cpufeatures: Disentangle SSBD enumeration") Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: kvm@vger.kernel.org Cc: "Radim Krčmář" <rkrcmar@redhat.com> Cc: stable@vger.kernel.org Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Link: https://lkml.kernel.org/r/20180521215449.26423-2-konrad.wilk@oracle.com
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/cpuid.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index ced851169730..598461e24be3 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -407,8 +407,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
/* cpuid 7.0.edx*/
const u32 kvm_cpuid_7_0_edx_x86_features =
- F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) | F(SSBD) |
- F(ARCH_CAPABILITIES);
+ F(AVX512_4VNNIW) | F(AVX512_4FMAPS) | F(SPEC_CTRL) |
+ F(SPEC_CTRL_SSBD) | F(ARCH_CAPABILITIES);
/* all calls to cpuid_count() should be made on the same cpu */
get_cpu();