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authorSean Christopherson <[email protected]>2024-10-10 11:24:12 -0700
committerPaolo Bonzini <[email protected]>2024-10-25 13:00:49 -0400
commit4d75f14fc869d8609fb1ac90085b3450898b83f5 (patch)
tree7caca9dd7903cd2e848d0a0240d03bc45a8496b7 /tools/perf/scripts/python/parallel-perf.py
parentd8f4cda748eaf1edc2c31275c854277a2aaaa4cf (diff)
KVM: MIPS: Mark "struct page" pfns accessed only in "slow" page fault path
Mark pages accessed only in the slow page fault path in order to remove an unnecessary user of kvm_pfn_to_refcounted_page(). Marking pages accessed in the primary MMU during KVM page fault handling isn't harmful, but it's largely pointless and likely a waste of a cycles since the primary MMU will call into KVM via mmu_notifiers when aging pages. I.e. KVM participates in a "pull" model, so there's no need to also "push" updates. Signed-off-by: Sean Christopherson <[email protected]> Tested-by: Dmitry Osipenko <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]> Message-ID: <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/parallel-perf.py')
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