From mboxrd@z Thu Jan 1 00:00:00 1970 From: john.stultz@linaro.org (John Stultz) Date: Mon, 22 Jul 2013 10:07:10 -0700 Subject: [PATCH v4 00/17] 64-bit friendly generic sched_clock() In-Reply-To: <1374189690-10810-1-git-send-email-sboyd@codeaurora.org> References: <1374189690-10810-1-git-send-email-sboyd@codeaurora.org> Message-ID: <51ED66BE.8040006@linaro.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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