* Frederic Weisbecker <fweis...@gmail.com> wrote:
> Ingo,
>
> Please pull the timers/core branch that can be found at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> timers/core
> ---
>
> * The patch from Viresh removes some unecessary scheduler IPIs that wake
> up the CPUs when deferrable timers are enqueued on remote targets.
>
> In practice I have seen on boot some of these IPIs from various
> sources: MCE, vmstat/SLAB, cpufreq. They happen either on initcall
> or cpu hotplug. Since these timers are enqueued on all CPUs, there
> are some potential big rounds of IPIs that are spared with this patch.
>
> But it's just what I've seen on my own machine on boot. I expect some
> more scenarios where a few IPIs will be avoided depending on configs
> and usecases because we have some more users of deferrable timers.
>
> * Kconfig text made clearer for full dynticks by Paul Gortmaker.
>
> Thanks,
> Frederic
> ---
>
> Paul Gortmaker (1):
> nohz: ensure users are aware boot CPU is not NO_HZ_FULL
>
> Viresh Kumar (1):
> timer: Spare IPI when deferrable timer is queued on idle remote targets
>
>
> kernel/time/Kconfig | 2 +-
> kernel/timer.c | 9 ++++++++-
> 2 files changed, 9 insertions(+), 2 deletions(-)
So I wanted to pull this fine set of commits, just to discover that
Thomas already pulled it into timers/core :-)
Ingo
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