[PATCH] Memory fencing problem in pthread cancellation

[Richard Henderson]

On 01/14/2013 07:13 PM, Jeff Law wrote:
> I suspect the asm memory clobber is historical, probably introduced to
> work around issues with pthread_cancel_init being inlined and the
> compiler moving things around too aggressively.  One could make an
> argument it should be removed.

It's definitely redundant with the atomic_read_barrier you added.


r~