linux-kernel - Re: do_wait() vs do_notify_parent

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Message-Id: <20081204010548.90F91FC053@magilla.sf.frob.com>
Date:	Wed,  3 Dec 2008 17:05:48 -0800 (PST)
From:	Roland McGrath <roland@...hat.com>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	mingo@...e.hu, rnalumasu@...il.com
Subject: Re: do_wait() vs do_notify_parent_cldstop() theoretical race?

I guess.  There might well be something in there implicitly that's actually
a memory barrier already.  But sounds like that should use set_current_state().


Thanks,
Roland
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