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KVM: x86: add support for CPUID leaf 0x80000021
authorBorislav Petkov <bp@kernel.org>
Tue, 15 Jul 2025 12:37:47 +0000 (14:37 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 17 Jul 2025 16:28:01 +0000 (18:28 +0200)
commit6457a8c0a02694375271cb40250527672c64395d
tree0814de16179e0faac2e3aebd94fe3c8476ba383dtree
parent78192f511f401af644e6ccb7c02bc1ce39092851commit | diff
KVM: x86: add support for CPUID leaf 0x80000021

From: Paolo Bonzini <pbonzini@redhat.com>

Commit 58b3d12c0a860cda34ed9d2378078ea5134e6812 upstream.

CPUID leaf 0x80000021 defines some features (or lack of bugs) of AMD
processors.  Expose the ones that make sense via KVM_GET_SUPPORTED_CPUID.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/x86/kvm/cpuid.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git