linux-kernel - Re: [PATCH 3/8] alpha: Fix jiffies based cputime assumption

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Message-ID: <5579F3DF.9080302@redhat.com>
Date:	Thu, 11 Jun 2015 16:47:27 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
CC:	Peter Zijlstra <peterz@...radead.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Thomas Gleixner <tglx@...utronix.de>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Richard Henderson <rth@...ddle.net>,
	Ingo Molnar <mingo@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: Re: [PATCH 3/8] alpha: Fix jiffies based cputime assumption

On 06/11/2015 01:36 PM, Frederic Weisbecker wrote:
> That code wrongly assumes that cputime_t wraps jiffies_t. Lets use
> the correct accessors/mutators.
> 
> In practice there should be no harm yet because alpha currently
> only support tick based cputime accounting which is always jiffies
> based.
> 
> Cc: Richard Henderson <rth@...ddle.net>
> Cc: Ivan Kokshaysky <ink@...assic.park.msu.ru>
> Cc: Christoph Lameter <cl@...ux.com>
> Cc: Ingo Molnar <mingo@...nel.org>
> Cc; John Stultz <john.stultz@...aro.org>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Preeti U Murthy <preeti@...ux.vnet.ibm.com>
> Cc: Rik van Riel <riel@...hat.com>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>
> Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>

Reviewed-by: Rik van Riel <riel@...hat.com>

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