Messages in this thread | | | Subject | Re: [ANNOUNCE] 3.8-rc6-nohz4 | From | Steven Rostedt <> | Date | Thu, 07 Feb 2013 12:06:21 -0500 |
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On Thu, 2013-02-07 at 08:30 -0800, Paul E. McKenney wrote:
> I suspect that removal of jiffies from the kernel will take a few stages, > with RCU being one of the laggards for awhile. Making RCU's state > machine depend wholly on process-based execution will take some care > and experimentation, especially for extreme and corner-case workloads. > For example, having RCU OOM the system just because a specific CPU was > unable to run some RCU kthread for an extended time is something to > be avoided. ;-)
Tickless doesn't mean no timeouts or periodic timers. I think we will always have some sort of dynamic tick when needed. It will just be more event driven then something that goes off constantly.
-- Steve
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