From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Boyd <sboyd@codeaurora.org>
Subject: Re: [PATCH v4 00/17] 64-bit friendly generic sched_clock()
Date: Thu, 18 Jul 2013 17:23:15 -0700
Message-ID: <20130719002315.GF27430@codeaurora.org>
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 <51E88170.3080505@linaro.org>
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To: John Stultz <john.stultz@linaro.org>
Cc: Fabio Estevam <fabio.estevam@freescale.com>, Kukjin Kim <kgene.kim@samsung.com>, Russell King <linux@arm.linux.org.uk>, Stephen Warren <swarren@wwwdotorg.org>, Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>, linux-arm-msm@vger.kernel.org, Linus Walleij <linus.walleij@linaro.org>, Barry Song <Baohua.Song@csr.com>, Will Deacon <will.deacon@arm.com>, linux-kernel@vger.kernel.org, Jingchang Lu <b35083@freescale.com>, Kyungmin Park <kyungmin.park@samsung.com>, Christopher Covington <cov@codeaurora.org>, Catalin Marinas <catalin.marinas@arm.com>, Gregory CLEMENT <gregory.clement@free-electrons.com>, Thomas Gleixner <tglx@linutronix.de>, Shawn Guo <shawn.guo@linaro.org>, Tomasz Figa <t.figa@samsung.com>, linux-arm-kernel@lists.infradead.org

On 07/18, John Stultz wrote:
> On 07/18/2013 04:21 PM, Stephen Boyd wrote:
> >This patchset adds support for 64 bit counters in the generic
> >sched_clock code and converts drivers over to use it. Based
> >on v3.11-rc1.
> >
> >Changes since v3:
> >  * Move to use seqcount to fix issues with 64-bit cyc counters
> >  * Move to hrtimer to fix underflow/overflow errors in wraparound
> >    calculation
> >  * Use of 1 hour in clocks_calc_mult_shift
> >  * Converted over drivers in drivers/clocksource
> 
> I've not been able to take a deep review yet, but this looks pretty
> much like what we discussed last week, so I'm happy with it so far.
> Has this gotten much testing (on both 32 and 64bit systems?)

I've tested it on a couple 32 bit systems. I'll ask around for
some 64 bit system testing.

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