From: Will Deacon <will.deacon@arm.com>
To: John Stultz <john.stultz@linaro.org>
Cc: Stephen Boyd <sboyd@codeaurora.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
Russell King <linux@arm.linux.org.uk>,
Catalin Marinas <Catalin.Marinas@arm.com>,
Christopher Covington <cov@codeaurora.org>,
Barry Song <Baohua.Song@csr.com>,
Fabio Estevam <fabio.estevam@freescale.com>,
Gregory CLEMENT <gregory.clement@free-electrons.com>,
Jingchang Lu <b35083@freescale.com>,
Kukjin Kim <kgene.kim@samsung.com>,
Kyungmin Park <kyungmin.park@samsung.com>,
Linus Walleij <linus.walleij@linaro.org>,
Shawn Guo <shawn.guo@linaro.org>,
Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Tomasz Figa <t.figa@samsung.com>
Subject: Re: [PATCH v4 00/17] 64-bit friendly generic sched_clock()
Date: Wed, 2 Oct 2013 18:47:00 +0100 [thread overview]
Message-ID: <20131002174700.GF30298@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <51E88170.3080505@linaro.org>
On Fri, Jul 19, 2013 at 12:59:44AM +0100, 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?)
>
> One detail: Most of this is likely to go in via tip/timers/core, but the
> 5/17 "arch_timer: Move to generic sched_clock" will need some
> synchronization with Catalin to make sure its ok to go in via tip. Not
> sure what other arm64 changes are pending that would depend or collide
> with that change.
I wouldn't expect anything more than a trivial Kconfig clash with the arm64
tree, if that.
Will
next prev parent reply other threads:[~2013-10-02 17:47 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-18 23:21 [PATCH v4 00/17] 64-bit friendly generic sched_clock() Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 01/17] clocksource: Extract max nsec calculation into separate function Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 02/17] sched_clock: Use seqcount instead of rolling our own Stephen Boyd
2013-07-19 9:03 ` Will Deacon
2013-07-19 14:20 ` Nicolas Pitre
2013-07-19 14:27 ` Russell King - ARM Linux
2013-07-18 23:21 ` [PATCH v4 03/17] sched_clock: Use an hrtimer instead of timer Stephen Boyd
2013-07-22 18:21 ` John Stultz
2013-07-22 18:45 ` Stephen Boyd
2013-07-22 18:58 ` Stephen Boyd
2013-07-22 19:07 ` Russell King - ARM Linux
2013-07-22 20:48 ` John Stultz
2013-07-22 20:50 ` Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 04/17] sched_clock: Add support for >32 bit sched_clock Stephen Boyd
2013-07-19 9:23 ` Baruch Siach
2013-07-19 16:29 ` Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 05/17] arch_timer: Move to generic sched_clock framework Stephen Boyd
2013-10-02 17:44 ` Will Deacon
2013-10-14 18:44 ` Kevin Hilman
2013-10-14 18:55 ` Stephen Boyd
2013-10-14 20:14 ` Kevin Hilman
2013-10-14 20:18 ` John Stultz
2013-10-14 20:14 ` John Stultz
2013-07-18 23:21 ` [PATCH v4 06/17] sched_clock: Remove sched_clock_func() hook Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 07/17] clocksource: bcm2835: Switch to sched_clock_register() Stephen Boyd
2013-07-19 19:34 ` Stephen Warren
2013-07-30 10:04 ` Daniel Lezcano
2013-07-30 16:12 ` John Stultz
2013-07-18 23:21 ` [PATCH v4 08/17] ocksource: dbx500-prcmu: " Stephen Boyd
2013-07-19 0:18 ` Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 09/17] clocksource: dw_apb_timer_of: " Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 10/17] clocksource: mxs_timer: " Stephen Boyd
2013-07-22 8:10 ` Shawn Guo
2013-07-22 16:23 ` Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 11/17] clocksource: nomadik: " Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 12/17] clocksource: samsung_pwm_timer: " Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 13/17] clocksource: tegra: " Stephen Boyd
2013-07-19 19:34 ` Stephen Warren
2013-07-18 23:21 ` [PATCH v4 14/17] clocksource: time-armada-370-xp: " Stephen Boyd
2013-08-06 9:04 ` Gregory CLEMENT
2013-07-18 23:21 ` [PATCH v4 15/17] clocksource: sirf: Switch to sched_clock_register() and use 64 bits Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 16/17] clocksource: vf_pit_timer: Switch to sched_clock_register() Stephen Boyd
2013-07-18 23:21 ` [PATCH v4 17/17] sched_clock: Deprecate setup_sched_clock() Stephen Boyd
2013-07-18 23:59 ` [PATCH v4 00/17] 64-bit friendly generic sched_clock() John Stultz
2013-07-19 0:23 ` Stephen Boyd
2013-10-02 17:47 ` Will Deacon [this message]
2013-10-02 18:02 ` John Stultz
2013-10-02 18:13 ` Will Deacon
2013-07-20 20:51 ` Linus Walleij
2013-07-22 16:24 ` Stephen Boyd
2013-07-22 17:07 ` John Stultz
2013-07-24 14:44 ` Christopher Covington
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