git: drm - Fix deadlock in ttm pager

Matthew Dillon dillon at
Sat Jan 10 09:37:23 PST 2015

commit f57b0af8d8500d4216578003dc47950b0d450c29
Author: Matthew Dillon <dillon at>
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(-)

DragonFly BSD source repository

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