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| author | James Houghton <jthoughton@google.com> | 2025-02-04 03:40:29 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-02-14 18:16:35 +0300 |
| commit | aa34b811650ce87a82d1bff027eeb15e2856f7bb (patch) | |
| tree | 726f5e1cfeac59a9b3c042e079a1709dc4f90ccd /tools/perf/scripts/python/check-perf-trace.py | |
| parent | 374ccd63600bc98453e7ab33fd457b57f6faacbc (diff) | |
| download | linux-aa34b811650ce87a82d1bff027eeb15e2856f7bb.tar.xz | |
KVM: Allow lockless walk of SPTEs when handing aging mmu_notifier event
It is possible to correctly do aging without taking the KVM MMU lock,
or while taking it for read; add a Kconfig to let architectures do so.
Architectures that select KVM_MMU_LOCKLESS_AGING are responsible for
correctness.
Suggested-by: Yu Zhao <yuzhao@google.com>
Signed-off-by: James Houghton <jthoughton@google.com>
Reviewed-by: David Matlack <dmatlack@google.com>
Link: https://lore.kernel.org/r/20250204004038.1680123-3-jthoughton@google.com
[sean: massage shortlog+changelog, fix Kconfig goof and shorten name]
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions