Re: [PATCH 6/7 linux-next] wan: cosa: replace current->state by set_current_state()
From: Fabian Frederick
Date: Fri Feb 20 2015 - 13:51:11 EST
> On 20 February 2015 at 19:34 Sergei Shtylyov
> <sergei.shtylyov@xxxxxxxxxxxxxxxxxx> wrote:
> On 02/20/2015 09:12 PM, Fabian Frederick wrote:
> > 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()
>Â Â ÂYou sometimes use __set_current_state() and sometimes set_current_state().
Peter suggested to use __set_current_state() for TASK_RUNNING :
> > Thanks to Peter Zijlstra for the exact definition of the problem.
> > Suggested-By: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> > Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
> WBR, Sergei
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