KVM: x86: hyper-v: Introduce fast guest_hv_cpuid_has_l2_tlb_flush() check

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Introduce a helper to quickly check if KVM needs to handle VMCALL/VMMCALL
from L2 in L0 to process L2 TLB flush requests.

Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20221101145426.251680-25-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Vitaly Kuznetsov 2022-11-01 15:54:02 +01:00 • committed by Paolo Bonzini

parent c58a318f60

commit d4baf1a9a5

1 changed files with 8 additions and 0 deletions

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arch/x86/kvm/hyperv.h

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