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| author |   Sean Christopherson <seanjc@google.com> | 2024-10-10 11:23:55 -0700 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2024-10-25 13:00:48 -0400 |
| commit | 84cf78dcd9d65c45ab73998d4ad50f433d53fb93 (patch) | |
| tree | d97a56ab6cf69b6c34ad7af3d4416b00e70ea7c5 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | KVM: PPC: e500: Mark "struct page" dirty in kvmppc_e500_shadow_map() (diff) | |
| download | wireguard-linux-84cf78dcd9d65c45ab73998d4ad50f433d53fb93.tar.xz wireguard-linux-84cf78dcd9d65c45ab73998d4ad50f433d53fb93.zip | |
KVM: PPC: e500: Mark "struct page" pfn accessed before dropping mmu_lock
Mark pages accessed before dropping mmu_lock when faulting in guest memory
so that shadow_map() can convert to kvm_release_faultin_page() without
tripping its lockdep assertion on mmu_lock being held. Marking pages
accessed outside of mmu_lock is ok (not great, but safe), but marking
pages _dirty_ outside of mmu_lock can make filesystems unhappy.
Signed-off-by: Sean Christopherson <seanjc@google.com>
Tested-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-ID: <20241010182427.1434605-54-seanjc@google.com>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions