Messages in this thread |  | | | Date | Sat, 23 Jul 2011 00:39:15 +0200 | | From | Willy Tarreau <> | | Subject | Re: [stable] [patch 3/3] rtc: Limit frequency |
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On Fri, Jul 22, 2011 at 03:05:50PM -0700, Andrew Morton wrote: > On Fri, 22 Jul 2011 09:12:51 -0000 > Thomas Gleixner <tglx@linutronix.de> wrote: > > > The RTC hrtimer is self rearming. We really need to limit the > > frequency to something sensible. > > > Cc: stable@kernel.org > > Why? What failures does the current code cause? What effect do these > failures have upon users?
I would add that if we go that route, we should at least accept values that were documented as possible till now. Man rtc says 2 Hz to 8192 Hz, but Thomas' proposed patch limits it to 5000 Hz, so some breakage is to be expected.
Regards, Willy
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