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| author | Marc Zyngier <maz@kernel.org> | 2019-11-08 19:58:05 +0300 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-11-10 21:48:35 +0300 |
| commit | 11635fa26dc7a715f3fc1c351846859e90985ae1 (patch) | |
| tree | 1893bb99ce618d29538c2d6a6dd277b2463387fc /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 046b5054f56691c7f5861197a812f3990f66b30e (diff) | |
| download | linux-11635fa26dc7a715f3fc1c351846859e90985ae1.tar.xz | |
irqchip/gic-v3-its: Make vlpi_lock a spinlock
The VLPI map is currently a mutex, and that's a bad idea as
this lock can be taken in non-preemptible contexts. Convert
it to a raw spinlock, and turn the memory allocation of the
VLPI map to be atomic.
Reported-by: Heyi Guo <guoheyi@huawei.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20191108165805.3071-12-maz@kernel.org
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions