[rtc-linux] Re: [PATCH 1/2][RFC v6] timekeeping: Ignore the bogus sleep time if pm_trace is enabled

[Chen Yu <yu.c.chen@intel.com>]

On Tue, Nov 08, 2016 at 05:01:35PM +0800, Chen Yu wrote:
> From: Thomas Gleixner <tglx@linutronix.de>
> 
> Previously we encountered some memory overflow issues due to
> the bogus sleep time brought by inconsistent rtc, which is
> triggered when pm_trace is enabled, and we have fixed it
> in recent kernel. However it's improper in the first place
> to call __timekeeping_inject_sleeptime() in case that pm_trace
> is enabled simply because that "hash" time value will wreckage
> the timekeeping subsystem.
> 
> This patch is to bypass the bogus rtc interval when pm_trace is enabled.
> 
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
> Cc: Len Brown <lenb@kernel.org>
> Cc: John Stultz <john.stultz@linaro.org>
> Cc: Xunlei Pang <xlpang@redhat.com>
> Signed-off-by: Chen Yu <yu.c.chen@intel.com>
> ---
>
[cut]
Will resend another version. Thanks. 

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