Fixes race in UCQ consumer
authorBarret Rhoden <brho@cs.berkeley.edu>
Mon, 1 Aug 2011 18:42:14 +0000 (11:42 -0700)
committerKevin Klues <klueska@cs.berkeley.edu>
Thu, 3 Nov 2011 00:36:05 +0000 (17:36 -0700)
commit185dee0025d302f363a27e48cd609b9cebd01a8b
tree78f9a32b893a4eaabe230e53a4d51ef449a41f4d
parentfcdf2ceb4cdd4bf3e1547af15fef501ba847bef9
Fixes race in UCQ consumer

During a page transition and under contention, we could get a slot that
is ahead of the producer.
user/parlib/ucq.c