linux-kernel - Re: [PATCH 6/7 linux-next] wan: cosa: replace current->state by set_current

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Date:	Sun, 22 Feb 2015 15:25:05 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	fabf@...net.be
Cc:	linux-kernel@...r.kernel.org, mingo@...hat.com,
	peterz@...radead.org, gregkh@...uxfoundation.org, kas@...muni.cz,
	netdev@...r.kernel.org
Subject: Re: [PATCH 6/7 linux-next] wan: cosa: replace current->state by
 set_current_state()

From: Fabian Frederick <fabf@...net.be>
Date: Fri, 20 Feb 2015 19:12:56 +0100

> Use helper functions to access current->state.
> Direct assignments are prone to races and therefore buggy.
> 
> current->state = TASK_RUNNING is replaced by __set_current_state()
> 
> Thanks to Peter Zijlstra for the exact definition of the problem.
> 
> Suggested-By: Peter Zijlstra <peterz@...radead.org>
> Signed-off-by: Fabian Frederick <fabf@...net.be>

Applied.
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