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| author |   Russell King <rmk+kernel@arm.linux.org.uk> | 2015-07-15 18:11:24 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-10-01 14:32:52 +0100 |
| commit | 66377efa3fd468283a092f17692e81c2344b03ed (patch) | |
| tree | 602c3b33b5c330dc20495cba33179ce7c53563ee /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | drm/armada: factor out retirement of old fb (diff) | |
| download | wireguard-linux-66377efa3fd468283a092f17692e81c2344b03ed.tar.xz wireguard-linux-66377efa3fd468283a092f17692e81c2344b03ed.zip | |
drm/armada: use xchg() to atomically update dplane->old_fb
Rather than using a spinlock, use xchg() to atomically update
dplane->old_fb. This allows us to eliminate dplane->lock.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions