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Message-ID: <53CEE3D6.6070207@codeaurora.org> Date: Tue, 22 Jul 2014 15:21:10 -0700 From: Stephen Boyd <sboyd@...eaurora.org> To: John Stultz <john.stultz@...aro.org> CC: Thomas Gleixner <tglx@...utronix.de>, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH] sched_clock: Avoid corrupting hrtimer tree during suspend On 07/18/14 17:14, John Stultz wrote: > On 07/18/2014 04:24 PM, Stephen Boyd wrote: >> On 07/18/14 15:42, John Stultz wrote: >>> If its a regression (and needs -stable backports) it needs to go in via >>> tip/timers/urgent, and not via the regular merge window. >>> >>> Whats the additional risk -stable wise for canceling the timer during >>> suspend and starting it back up during resume? >>> >> I'd say close to zero given that we'd only be making the timer run a >> little bit later and we have slack in there already. Here's that version. > Ok, thanks. I'll try to do a closer review it and get it queued. Is > there anyone who might be able to validate this and provide a Tested-by: ? > Maybe someone from Linaro can give a Tested-by? I basically did this: # grep -A1 'sched_clock' /proc/timer_list && echo mem > /sys/power/state && grep -A1 'sched_clock' /proc/timer_list and made sure that the expires time was reset. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- 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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