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| author |   Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2020-05-27 07:24:18 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-05-27 05:21:23 -0600 |
| commit | b2d76adbc0828e0f108567973bcc500ed1abc139 (patch) | |
| tree | 52ec69527822f170482e23c977c1bdaa9610fb5c /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | block: remove rcu_read_lock() from part_stat_lock() (diff) | |
| download | wireguard-linux-b2d76adbc0828e0f108567973bcc500ed1abc139.tar.xz wireguard-linux-b2d76adbc0828e0f108567973bcc500ed1abc139.zip | |
block: use __this_cpu_add() instead of access by smp_processor_id()
Most architectures have fast path to access percpu for current cpu.
The required preempt_disable() is provided by part_stat_lock().
[hch: rebased]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions