KVM: x86/mmu: bump mmu notifier count in kvm_zap_gfn_range
This together with previous patch, ensures that kvm_zap_gfn_range doesn't race with page fault running on another vcpu, and will make this page fault code retry instead. This is based on a patch suggested by Sean Christopherson: https://lkml.org/lkml/2021/7/22/1025 Suggested-by:Sean Christopherson <seanjc@google.com> Signed-off-by:
Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20210810205251.424103-5-mlevitsk@redhat.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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