git: kernel - Fix several taskqueue livelocks

[Matthew Dillon]

commit d60d061696d26769b673081395baa7e75ebacfb9
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Tue Jul 1 08:39:29 2014 -0700

    kernel - Fix several taskqueue livelocks
    
    * Taskqueue was trying to issue callout_*() operations with a spin-lock
      held on callouts associated with other cpus.  This can livelock the
      system.
    
    * Unlock the taskqueue spinlock when messing with callout_*() operations.
    
    * Fixes an indefinite spin lock panic from drm/ttm.

Summary of changes:
 sys/kern/subr_taskqueue.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d60d061696d26769b673081395baa7e75ebacfb9


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