On Thu, May 17, 2012 at 01:52:13PM +0400, Glauber Costa wrote:

Andrew is right. It seems we will need that mutex after all. Just
this is not a race, and neither something that should belong in the
static_branch interface.

Yeah, with a completely different comment.  It just needs to wrap
->activated alteration and static key inc/dec, right?

Thanks.

-- 
tejun

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