KVM: x86: Propagate the AMD Automatic IBRS feature to the guest

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Add the AMD Automatic IBRS feature bit to those being propagated to the guest,
and enable the guest EFER bit.

Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Acked-by: Sean Christopherson <seanjc@google.com>
Link: https://lore.kernel.org/r/20230124163319.2277355-9-kim.phillips@amd.com

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Kim Phillips 2023-01-24 10:33:19 -06:00 • committed by Borislav Petkov (AMD)

parent e7862eda30

commit 8c19b6f257

3 changed files with 7 additions and 1 deletions

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arch/x86/kvm/cpuid.c

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arch/x86/kvm/svm/svm.c

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arch/x86/kvm/x86.c

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