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| author | Sean Christopherson <[email protected]> | 2023-07-29 01:35:31 +0000 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2023-08-31 18:08:16 +0000 |
| commit | e18c5429e0c4bf7b550211245dcbfc61e71a7e6f (patch) | |
| tree | 62657b61e455e13008fd67d0f7e88057dfffc697 /tools/perf/scripts/python/mem-phys-addr.py | |
| parent | KVM: x86/mmu: Rename page-track APIs to reflect the new reality (diff) | |
| download | kernel-e18c5429e0c4bf7b550211245dcbfc61e71a7e6f.tar.gz kernel-e18c5429e0c4bf7b550211245dcbfc61e71a7e6f.zip | |
KVM: x86/mmu: Assert that correct locks are held for page write-tracking
When adding/removing gfns to/from write-tracking, assert that mmu_lock
is held for write, and that either slots_lock or kvm->srcu is held.
mmu_lock must be held for write to protect gfn_write_track's refcount,
and SRCU or slots_lock must be held to protect the memslot itself.
Tested-by: Yan Zhao <[email protected]>
Tested-by: Yongwei Ma <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Sean Christopherson <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/mem-phys-addr.py')
0 files changed, 0 insertions, 0 deletions