Re: [PATCH resend] timers: Fix excessive granularity of new timers after a nohz idle

2017-08-22 Thread Nicholas Piggin
On Tue, 22 Aug 2017 09:45:46 +0200 (CEST) Thomas Gleixner wrote: > On Tue, 22 Aug 2017, Nicholas Piggin wrote: > > I would have preferred to get comments from the timer maintainers, but > > they've been busy or away for the past copule of weeks. Perhaps you > > would consider carrying it until th

Re: [PATCH resend] timers: Fix excessive granularity of new timers after a nohz idle

2017-08-22 Thread Thomas Gleixner
On Tue, 22 Aug 2017, Nicholas Piggin wrote: > I would have preferred to get comments from the timer maintainers, but > they've been busy or away for the past copule of weeks. Perhaps you > would consider carrying it until then? Yes, I was on vacation, but that patch never hit my LKML inbox >

[PATCH resend] timers: Fix excessive granularity of new timers after a nohz idle

2017-08-21 Thread Nicholas Piggin
When a timer base is idle, it is forwarded when a new timer is added to ensure that granularity does not become excessive. When not idle, the timer tick is expected to increment the base. However there are several problems: - If an existing timer is modified, the base is forwarded only after th