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Date: Mon, 22 Jul 2013 10:07:10 -0700 From: John Stultz <john.stultz@...aro.org> To: Stephen Boyd <sboyd@...eaurora.org> CC: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, Thomas Gleixner <tglx@...utronix.de>, Russell King <linux@....linux.org.uk>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will.deacon@....com>, Christopher Covington <cov@...eaurora.org>, Barry Song <Baohua.Song@....com>, Fabio Estevam <fabio.estevam@...escale.com>, Gregory CLEMENT <gregory.clement@...e-electrons.com>, Jingchang Lu <b35083@...escale.com>, Kukjin Kim <kgene.kim@...sung.com>, Kyungmin Park <kyungmin.park@...sung.com>, Linus Walleij <linus.walleij@...aro.org>, Shawn Guo <shawn.guo@...aro.org>, Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>, Stephen Warren <swarren@...dotorg.org>, Tomasz Figa <t.figa@...sung.com>, Olof Johansson <olof@...om.net> Subject: Re: [PATCH v4 00/17] 64-bit friendly generic sched_clock() 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 > > Stephen Boyd (17): > clocksource: Extract max nsec calculation into separate function > sched_clock: Use seqcount instead of rolling our own > sched_clock: Use an hrtimer instead of timer > sched_clock: Add support for >32 bit sched_clock > arch_timer: Move to generic sched_clock framework > sched_clock: Remove sched_clock_func() hook > clocksource: bcm2835: Switch to sched_clock_register() > ocksource: dbx500-prcmu: Switch to sched_clock_register() > clocksource: dw_apb_timer_of: Switch to sched_clock_register() > clocksource: mxs_timer: Switch to sched_clock_register() > clocksource: nomadik: Switch to sched_clock_register() > clocksource: samsung_pwm_timer: Switch to sched_clock_register() > clocksource: tegra: Switch to sched_clock_register() > clocksource: time-armada-370-xp: Switch to sched_clock_register() > clocksource: sirf: Switch to sched_clock_register() and use 64 bits > clocksource: vf_pit_timer: Switch to sched_clock_register() > sched_clock: Deprecate setup_sched_clock() Ok, so if there's no major objections with this set, here's my plan: 1) I'm going to queue 1-4 in a fortglx/3.12/sched-clock64 branch, I'll send git pull requests to both Thomas and Olof, so they can both merge the common base for the conversion code in both drivers/clocksource and arch/arm. 2) If I can get Catalin's ack on 5/17, I'll queue it and 6/17 for tip/timers/core. 3) I'll also queue the rest and send to Thomas or Daniel for tip/timers/core. That sound ok to everyone? thanks -john -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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