Re: [tip:timers/core] timerfd: Allow timers to be cancelled when clock was set

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On Wed, May 11, 2011 at 16:30, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Wed, 2011-05-11 at 16:22 +0200, Kay Sievers wrote:
>> On Wed, May 11, 2011 at 16:01, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
>> > On Wed, 2011-05-11 at 15:52 +0200, Kay Sievers wrote:
>> >>
>> >> No, fixed time spans have never been a problem, and are not the
>> >> example here. It's about the normal wall clock, that wakes up every
>> >> minute and updates the numbers on the screen.
>> >
>> > 'wakes up every minute' sounds like a fixed time interval to me.
>>
>> Right, but if the wall clock changes, it must not wait for the full
>> minute to update the numbers, they need to update immediately with the
>> new wall clock time. Stuff woke up every second in the past to do
>> that, but that's not what we want today.
>
> Again, nothing that couldn't be solved with a notifier of sorts.

Right. What we have with that patch, and what's visible to the
outside, is nothing but such a notifier. What kind of interface you
have in mind instead?

Kay
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