Messages in this thread | | | Date | Thu, 5 Aug 2010 14:38:51 -0700 | From | Greg KH <> | Subject | Re: [PATCH] [RFC] notify userspace about time changes |
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On Thu, Aug 05, 2010 at 02:11:05PM -0700, john stultz wrote: > On Thu, 2010-08-05 at 15:33 +0300, Alexander Shishkin wrote: > > On 4 August 2010 18:58, john stultz <johnstul@us.ibm.com> wrote: > > > Is there a actual use case that you need this for? I don't really have > > > an issue with the code I just really want to make sure the feature would > > > be useful enough to justify the API and code maintenance going forward. > > > > Yes. What we have here is an application which takes care of different means > > of time synchronization (trusted time servers, different GSM operators, etc) > > and also different kinds of time-based events/notifications (like "dentist > > appointment next thursday"). When it encounters a time change that is > > made by some other application, it basically wants to disable automatic > > time adjustment and trigger the events/notifications which are due at this > > (new) time. > > Ok. Something specific is always more helpful then theoretical uses. > > I think the filtering is still a bit controversial, so you might want to > respin it without that. But otherwise I'm ok with it as long as no one > else objects to any of the minor details of the interface > > GregKH: Does /sys/kernel/time_notify seem ok by you?
Um, it depends, what is that file going to do? I don't see a Documentation/ABI/ entry here that describes it fully :)
thanks,
greg k-h
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