From: Jim Mattson Date: Tue, 24 Sep 2019 20:51:08 +0000 (-0700) Subject: kvm: x86: Enumerate support for CLZERO instruction X-Git-Tag: v5.4-rc2~12^2~13 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=40bc47b08b6efc8b64fef77cb46974f634215425;p=linux.git 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 --- diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index ce4a1b3cc3e8..34d9f9f481a3 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 =