Re: [GIT PULL] nohz: Updates for 4.3

Ingo Molnar
2015-07-31T08:29:36Z

* Frederic Weisbecker <fweisbec@gmail.com> wrote:

> Ingo,
>
> Please pull the timers/nohz-for-tip branch that can be found at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
> timers/nohz-for-tip
>
> HEAD: de734f89b67c2df30e35a09e7e56a3659e5b6ac6
>
> --
> Summary of changes:
>
> * Fix some jiffies based cputime assumptions. No real harm because the
> concerned code isn't used by full dynticks.
>
> * Simplify jiffies <-> usecs conversions. Remove dead code.
>
> * Remove early hacks on nohz full code that avoided messing up idle
> nohz internals. Now nohz integrates well full and idle and such hack
> have become needless.
>
> * Restart nohz full tick from irq exit. A simplification and a
> preparation for future optimization on scheduler kick to nohz full.
>
> * Simple code cleanups.
>
> * Tile driver isolation enhancement on top of nohz.
>
> Thanks,
> Frederic
> ---
>
> Frederic Weisbecker (7):
> jiffies: Remove HZ > USEC_PER_SEC special case
> apm32: Fix cputime == jiffies assumption
> alpha: Fix jiffies based cputime assumption
> nohz: Remove idle task special case
> nohz: Restart nohz full tick from irq exit
> nohz: Move tick_nohz_restart_sched_tick() above its users
> nohz: Remove useless argument on tick_nohz_task_switch()
>
> Chris Metcalf (1):
> nohz: Prevent tilegx network driver interrupts
>
>
> arch/alpha/kernel/osf_sys.c | 13 ++++---
> arch/x86/kernel/apm_32.c | 2 +-
> drivers/net/ethernet/tile/tilegx.c | 4 ++-
> include/linux/jiffies.h | 9 +----
> include/linux/tick.h | 25 ++++++-------
> kernel/sched/core.c | 2 +-
> kernel/time/tick-sched.c | 72 ++++++++++++++------------------------
> kernel/time/time.c | 10 ++++--
> 8 files changed, 62 insertions(+), 75 deletions(-)

Pulled, thanks Frederic!

Ingo