RE: [PATCH v2] alarmtimer: fix unexpected rtc interrupt when system resume from S3

From: Thomas Gleixner
Date: Mon Nov 16 2015 - 13:01:38 EST


On Sat, 14 Nov 2015, Lee, Zhuo-hao wrote:

> (1). alarmtimer create a rtc wake up timer however alarmtimer won't
> remove that timer if the system wake up earlier

That's hardly a bug. That's a slight incorrectness which needs to be
fixed.

> (2). rtc wake up timer will trigger hpet_rtc_interrupt continuously
> until timer timeout.

> This patch only fixed (1). Fixing (1) can avoid (2).
> However, The (2) is another story which it is not covered by this patch.

And that's the real interesting question. Why is hpet_rtc_interrupt
continously triggered?

Thanks,

tglx

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