linux-kernel - Re: [PATCH v2 1/5] mutex: In mutex_can_spin_on_owner(), return false if task need

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Message-ID: <1390943366.11839.8.camel@buesod1.americas.hpqcorp.net>
Date:	Tue, 28 Jan 2014 13:09:26 -0800
From:	Davidlohr Bueso <davidlohr@...com>
To:	Jason Low <jason.low2@...com>
Cc:	mingo@...hat.com, peterz@...radead.org, paulmck@...ux.vnet.ibm.com,
	Waiman.Long@...com, torvalds@...ux-foundation.org,
	tglx@...utronix.de, linux-kernel@...r.kernel.org, riel@...hat.com,
	akpm@...ux-foundation.org, hpa@...or.com, andi@...stfloor.org,
	aswin@...com, scott.norton@...com, chegu_vinod@...com
Subject: Re: [PATCH v2 1/5] mutex: In mutex_can_spin_on_owner(), return
 false if task need_resched()

On Tue, 2014-01-28 at 11:13 -0800, Jason Low wrote:
> The mutex_can_spin_on_owner() function should also return false if the
> task needs to be rescheduled to avoid entering the MCS queue when it
> needs to reschedule.
> 
> Signed-off-by: Jason Low <jason.low2@...com>

Reviewed-by: Davidlohr Bueso <davidlohr@...com>

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