git: drm - Fix deadlock in ttm pager
Matthew Dillon
dillon at crater.dragonflybsd.org
Sat Jan 10 09:37:23 PST 2015
commit f57b0af8d8500d4216578003dc47950b0d450c29
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date: Sat Jan 10 09:35:24 2015 -0800
drm - Fix deadlock in ttm pager
* Fix a deadlock which most often occurs via the ttm (radeon) VM pager.
A similar path is also used by i915 (all intel).
* Basically removes an unnecessary lock in the paging path which was creating
the deadlock.
Reported-by: ivadasz, ftigeot
Summary of changes:
sys/vm/device_pager.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f57b0af8d8500d4216578003dc47950b0d450c29
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