From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chen Yu <yu.c.chen@intel.com>
Subject: Re: [PATCH] timekeeping: Cap array access in timekeeping_debug to
 protect against invalid sleep times
Date: Thu, 18 Aug 2016 15:31:20 +0800
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 <1471461530-19575-1-git-send-email-john.stultz@linaro.org>
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To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Thomas Gleixner <tglx@linutronix.de>, Janek Kozicki <cosurgi@gmail.com>, Xunlei Pang <xpang@redhat.com>, Zhang Rui <rui.zhang@intel.com>, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, John Stultz <john.stultz@linaro.org>



On 2016年08月18日 09:09, Rafael J. Wysocki wrote:
> If pm_trace_enabled is set, we can (or maybe even should) just skip
> timekeeping_inject_sleeptime() entirely in rtc_resume() at least, because
> sleep_time is almost certainly bogus in that case, even if it doesn't
> overflow.
>
> Of course, the above is still needed then.
>
> Thanks,
> Rafael
>
OK, I'll provide another version on top of John's patch and consider the 
pm_trace. thanks.
Yu