[PATCH] Memory fencing problem in pthread cancellation

[Mike Frysinger]

On Tuesday 15 January 2013 18:33:53 Mike Frysinger wrote:
> On Monday 14 January 2013 15:24:09 Jeff Law wrote:
> > This has been observed on a 32 processor power7 machine running 16
> > instances of the attached testcase in parallel after a period of several
> > hours.
> 
> i let 3 run on an ia64 dual core box for about 12 hrs and didn't see
> failures. which isn't to say there isn't a bug, just providing some data.

ran the test both before & after the change for ~48 hrs and still didn't hit 
an issue.  should be fine to just assume they didn't randomly hit the tiny 
instruction sequence window and the new change looks correct, so i'll kill 
them now.
-mike
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