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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.
Removed locally, will appear in next patch iteration. jeff
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