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| author |   Sean Christopherson <seanjc@google.com> | 2025-02-12 12:58:39 -0800 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-02-14 07:16:51 -0800 |
| commit | 928c54b1c4caf981afbf060a1417d4255f758513 (patch) | |
| tree | 66348b0aa5ab06e7d7b274df756ac269aa726b47 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | KVM: x86/mmu: Don't force atomic update if only the Accessed bit is volatile (diff) | |
| download | linux-rng-928c54b1c4caf981afbf060a1417d4255f758513.tar.xz linux-rng-928c54b1c4caf981afbf060a1417d4255f758513.zip | |
KVM: x86/mmu: Always update A/D-disabled SPTEs atomically
In anticipation of aging SPTEs outside of mmu_lock, force A/D-disabled
SPTEs to be updated atomically, as aging A/D-disabled SPTEs will mark them
for access-tracking outside of mmu_lock. Coupled with restoring access-
tracked SPTEs in the fast page fault handler, the end result is that
A/D-disable SPTEs will be volatile at all times.
Reviewed-by: James Houghton <jthoughton@google.com>
Link: https://lore.kernel.org/all/Z60bhK96JnKIgqZQ@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions