diff options
| author | Jim Mattson <jmattson@google.com> | 2019-09-24 22:51:08 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-09-26 13:20:54 +0200 |
| commit | 40bc47b08b6efc8b64fef77cb46974f634215425 (patch) | |
| tree | 315d605ebd660099b6026e2b647f8fe7c4f415f1 /arch/x86 | |
| parent | kvm: x86: Use AMD CPUID semantics for AMD vCPUs (diff) | |
| download | linux-40bc47b08b6efc8b64fef77cb46974f634215425.tar.xz linux-40bc47b08b6efc8b64fef77cb46974f634215425.zip | |
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 <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kvm/cpuid.c | 5 |
1 files changed, 3 insertions, 2 deletions
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 = |