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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-06-27 21:13:01 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-06-28 20:56:35 +0100 |
| commit | 3f88325c2e396658a17632a19b59958750d7ad89 (patch) | |
| tree | cbeb9116fb20fc6bb6422ed4ed1a55e5d509e43a /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | 10195b1e4411191a30456e3e60bc539531b17053 (diff) | |
drm/i915: Reduce spinlock hold time during notify_ring() interrupt
By taking advantage of the RCU protection of the task struct, we can find
the appropriate signaler under the spinlock and then release the spinlock
before waking the task and signaling the fence.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180627201304.15817-1-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions