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KVM: x86: add support for CPUID leaf 0x80000021
authorPaolo Bonzini <pbonzini@redhat.com>
Thu, 28 Oct 2021 17:26:38 +0000 (13:26 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 10 Jul 2025 13:57:50 +0000 (15:57 +0200)
commit3d6513b51b72bf7ce92a4f2059102f6292c2db87
treed4dbdf30af43543eb24fc33b131eb6fe294e3a04tree | snapshot
parentf2b75f1368af22bb290f128e29bc64b619a9d54dcommit | diff
KVM: x86: add support for CPUID leaf 0x80000021

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