KVM: x86: AMD Processor Topology Information
"Linux Kernel Mailing List" <[email protected]> Sat, 10 Feb 2018 22:00:24 +0000 (UTC)
| Newsgroups | gmane.linux.kernel.commits.head |
|---|---|
| Message-ID | <[email protected]> |
Web: https://git.kernel.org/torvalds/c/806793f5f76eb9c000ed05e307a8f7e9450b3291 Commit: 806793f5f76eb9c000ed05e307a8f7e9450b3291 Parent: d391f1207067268261add0485f0f34503539c5b0 Refname: refs/heads/master Author: Stanislav Lanci <[email protected]> AuthorDate: Mon Jan 29 11:39:44 2018 -0500 Committer: Radim Krčmář <[email protected]> CommitDate: Wed Jan 31 18:25:34 2018 +0100 KVM: x86: AMD Processor Topology Information This patch allow to enable x86 feature TOPOEXT. This is needed to provide information about SMT on AMD Zen CPUs to the guest. Signed-off-by: Stanislav Lanci <[email protected]> Tested-by: Nick Sarnie <[email protected]> Reviewed-by: Paolo Bonzini <[email protected]> Signed-off-by: Babu Moger <[email protected]> Signed-off-by: Radim Krčmář <[email protected]> --- arch/x86/kvm/cpuid.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index ac0041c2f5af..20e491b94f44 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -371,7 +371,8 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function, F(LAHF_LM) | F(CMP_LEGACY) | 0 /*SVM*/ | 0 /* ExtApicSpace */ | F(CR8_LEGACY) | F(ABM) | F(SSE4A) | F(MISALIGNSSE) | F(3DNOWPREFETCH) | F(OSVW) | 0 /* IBS */ | F(XOP) | - 0 /* SKINIT, WDT, LWP */ | F(FMA4) | F(TBM); + 0 /* SKINIT, WDT, LWP */ | F(FMA4) | F(TBM) | + F(TOPOEXT); /* cpuid 0xC0000001.edx */ const u32 kvm_cpuid_C000_0001_edx_x86_features = -- To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html