KVM: x86: make Hyper-V PV TLB flush use tlb_flush_guest()

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Hyper-V PV TLB flush mechanism does TLB flush on behalf of the guest
so doing tlb_flush_all() is an overkill, switch to using tlb_flush_guest()
(just like KVM PV TLB flush mechanism) instead. Introduce
KVM_REQ_HV_TLB_FLUSH to support the change.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Vitaly Kuznetsov 2020-03-25 12:28:24 -04:00 • committed by Paolo Bonzini

parent e64419d991

commit 0baedd7927

3 changed files with 12 additions and 3 deletions

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2

arch/x86/include/asm/kvm_host.h

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3

arch/x86/kvm/hyperv.c

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10

arch/x86/kvm/x86.c

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