kvm: mmu: Use fast PF path for access tracking of huge pages when possible

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The fast page fault path bails out on write faults to huge pages in
order to accommodate dirty logging. This change adds a check to do that
only when dirty logging is actually enabled, so that access tracking for
huge pages can still use the fast path for write faults in the common
case.

Signed-off-by: Junaid Shahid <junaids@google.com>
Reviewed-by: Ben Gardon <bgardon@google.com>
Reviewed-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20211104003359.2201967-1-junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

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Junaid Shahid 2021-11-03 17:33:59 -07:00 • committed by Paolo Bonzini

parent c435d4b7ba

commit 10c30de019

1 changed files with 5 additions and 5 deletions

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arch/x86/kvm/mmu/mmu.c

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