linux-kernel - Re: [PATCH 6/4] arm64: Move to generic sched

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Message-ID: <51812A4F.7060400@codeaurora.org>
Date:	Wed, 01 May 2013 10:44:31 -0400
From:	Christopher Covington <cov@...eaurora.org>
To:	Catalin Marinas <catalin.marinas@....com>
CC:	Stephen Boyd <sboyd@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	Will Deacon <Will.Deacon@....com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"arm@...nel.org" <arm@...nel.org>,
	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 6/4] arm64: Move to generic sched_clock infrastructure

On 05/01/2013 05:11 AM, Catalin Marinas wrote:
> On Wed, May 01, 2013 at 01:54:35AM +0100, Stephen Boyd wrote:
>> Use the generic sched_clock infrastructure instead of rolling our
>> own. This has the added benefit of fixing suspend/resume as
>> outlined in 6a4dae5 (ARM: 7565/1: sched: stop sched_clock()
>> during suspend, 2012-10-23) and correcting the timestamps when
>> the hardware returns a value instead of 0 upon the first read.
>>
>> Signed-off-by: Stephen Boyd <sboyd@...eaurora.org>
> 
> Looks ok.
> 
> Acked-by: Catalin Marinas <catalin.marinas@....com>

I built and ran this change and dependencies on top of Catalin's
soc-armv8-model branch [1] and was able to verify that it fixed the printk
timestamp jump.

1.
http://git.kernel.org/cgit/linux/kernel/git/cmarinas/linux-aarch64.git/log/?h=soc-armv8-model

Tested-by: Christopher Covington <cov@...eaurora.org>

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