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authorLuck, Tony <tony.luck@intel.com>2013-09-03 14:49:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-03 15:36:42 -0700
commitd472d9d98b463dd7a04f2bcdeafe4261686ce6ab (patch)
tree05972418a7e71d3e8d5a9c8c8d5e1dc22f013c5b /Documentation
parent2f01ea908bcf838e815c0124b579513dbda3b8c8 (diff)
lockref: Relax in cmpxchg loop
While we are likley to succeed and break out of this loop, it isn't guaranteed. We should be power and thread friendly if we do have to go around for a second (or third, or more) attempt. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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