From 40bc47b08b6efc8b64fef77cb46974f634215425 Mon Sep 17 00:00:00 2001 From: Jim Mattson Date: Tue, 24 Sep 2019 13:51:08 -0700 Subject: [PATCH] kvm: x86: Enumerate support for CLZERO instruction CLZERO is available to the guest if it is supported on the host. Therefore, enumerate support for the instruction in KVM_GET_SUPPORTED_CPUID whenever it is supported on the host. Signed-off-by: Jim Mattson Signed-off-by: Paolo Bonzini --- arch/x86/kvm/cpuid.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index ce4a1b3..34d9f9f 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -485,8 +485,9 @@ static inline int __do_cpuid_func(struct kvm_cpuid_entry2 *entry, u32 function, /* cpuid 0x80000008.ebx */ const u32 kvm_cpuid_8000_0008_ebx_x86_features = - F(WBNOINVD) | F(AMD_IBPB) | F(AMD_IBRS) | F(AMD_SSBD) | F(VIRT_SSBD) | - F(AMD_SSB_NO) | F(AMD_STIBP) | F(AMD_STIBP_ALWAYS_ON); + F(CLZERO) | F(WBNOINVD) | F(AMD_IBPB) | F(AMD_IBRS) | + F(AMD_STIBP) | F(AMD_STIBP_ALWAYS_ON) | F(AMD_SSBD) | + F(VIRT_SSBD) | F(AMD_SSB_NO); /* cpuid 0xC0000001.edx */ const u32 kvm_cpuid_C000_0001_edx_x86_features = -- 2.7.4