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| author |   Jing Zhang <jingzhangos@google.com> | 2022-01-18 01:57:02 +0000 |
|---|---|---|
| committer |   Marc Zyngier <maz@kernel.org> | 2022-02-08 14:27:53 +0000 |
| commit | f783ef1c0e82e4fc311a972472ff61f6d1d0e22d (patch) | |
| tree | e8ac9502306803791cb891285006752d6ca1254d /tools/testing/selftests/kvm/dirty_log_perf_test.c | |
| parent | KVM: arm64: Use read/write spin lock for MMU protection (diff) | |
| download | linux-dev-f783ef1c0e82e4fc311a972472ff61f6d1d0e22d.tar.xz linux-dev-f783ef1c0e82e4fc311a972472ff61f6d1d0e22d.zip | |
KVM: arm64: Add fast path to handle permission relaxation during dirty logging
To reduce MMU lock contention during dirty logging, all permission
relaxation operations would be performed under read lock.
Signed-off-by: Jing Zhang <jingzhangos@google.com>
Tested-by: Fuad Tabba <tabba@google.com>
Reviewed-by: Fuad Tabba <tabba@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220118015703.3630552-3-jingzhangos@google.com
Diffstat (limited to 'tools/testing/selftests/kvm/dirty_log_perf_test.c')
0 files changed, 0 insertions, 0 deletions