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(parent: 3511e1d) | patch
KVM: x86: Mask off reserved bits in CPUID.80000001H
authorJim Mattson <jmattson@google.com>
Thu, 29 Sep 2022 22:51:58 +0000 (00:51 +0200)
committerPaolo Bonzini <pbonzini@redhat.com>
Sat, 22 Oct 2022 11:54:35 +0000 (07:54 -0400)
commit4bc176a33dea39089152025fc572681561db4b38
tree37320d4565fcb1a35b3633228359d21f6e8db97dtree | snapshot
parent3511e1d93bdab236e2a7dc282d7986f4b93cebe4commit | diff
KVM: x86: Mask off reserved bits in CPUID.80000001H

KVM_GET_SUPPORTED_CPUID should only enumerate features that KVM
actually supports. CPUID.80000001:EBX[27:16] are reserved bits and
should be masked off.

Fixes: c01a15210615 ("KVM: Enhance guest cpuid management")
Signed-off-by: Jim Mattson <jmattson@google.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
arch/x86/kvm/cpuid.c diff | blob | history
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