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| author |   Sean Christopherson <seanjc@google.com> | 2021-02-25 12:47:46 -0800 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2021-03-15 04:43:52 -0400 |
| commit | 8f366ae6d8c5eaaae086016934802954abb8959e (patch) | |
| tree | 03ea1c4e6de0a3d2ddf2bf377a124bb2e510c926 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | KVM: x86/mmu: Use a dedicated bit to track shadow/MMU-present SPTEs (diff) | |
KVM: x86/mmu: Tweak auditing WARN for A/D bits to !PRESENT (was MMIO)
Tweak the MMU_WARN that guards against weirdness when querying A/D status
to fire on a !MMU_PRESENT SPTE, as opposed to a MMIO SPTE. Attempting to
query A/D status on any kind of !MMU_PRESENT SPTE, MMIO or otherwise,
indicates a KVM bug. Case in point, several now-fixed bugs were
identified by enabling this new WARN.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Message-Id: <20210225204749.1512652-22-seanjc@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions