linux-kernel - Re: [PATCH] kernel: fix data race in put

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Date:	Fri, 18 Sep 2015 18:20:48 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Will Deacon <will.deacon@....com>,
	Dmitry Vyukov <dvyukov@...gle.com>,
	Oleg Nesterov <oleg@...hat.com>,
	"ebiederm@...ssion.com" <ebiederm@...ssion.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	"mhocko@...e.cz" <mhocko@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>,
	"ktsan@...glegroups.com" <ktsan@...glegroups.com>,
	Kostya Serebryany <kcc@...gle.com>,
	Andrey Konovalov <andreyknvl@...gle.com>,
	Alexander Potapenko <glider@...gle.com>,
	Hans Boehm <hboehm@...gle.com>
Subject: Re: [PATCH] kernel: fix data race in put_pid

On Fri, Sep 18, 2015 at 09:15:34AM -0700, Eric Dumazet wrote:
> On Fri, 2015-09-18 at 13:22 +0200, Peter Zijlstra wrote:

> > +static inline int atomic_read_ctrl(atomic_t *v)
> 
> const atomic_t *v

Good point, lemme also fix up ATOMIC_LONG_READ_OP().
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