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(parent: b60dfe8) | patch
drm/nouveau/tmr: fix corruption of the pending list when rescheduling an alarm
authorBen Skeggs <bskeggs@redhat.com>
Thu, 11 May 2017 07:03:05 +0000 (17:03 +1000)
committerBen Skeggs <bskeggs@redhat.com>
Thu, 11 May 2017 22:32:57 +0000 (08:32 +1000)
commit77efcc51e33162095d580545d78a5024af50a39a
treef6f6d06887a94e9675c51e915bc729f06650801etree | snapshot
parentb60dfe8fd604398c7a0b7d85f6cf69f8b27523f7commit | diff
drm/nouveau/tmr: fix corruption of the pending list when rescheduling an alarm

At least therm/fantog "attempts" to work around this issue, which could
lead to corruption of the pending alarm list.

Fix it properly by not updating the timestamp without the lock held, or
trying to add an already pending alarm to the pending alarm list....

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/nouveau/nvkm/subdev/timer/base.c diff | blob | history
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