linux-kernel - Re: [GIT PULL] nohz: Updates for 4.3

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Message-ID: <20150731082929.GA22912@gmail.com>
Date:	Fri, 31 Jul 2015 10:29:29 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ivan Kokshaysky <ink@...assic.park.msu.ru>,
	Peter Zijlstra <peterz@...radead.org>,
	Chris Metcalf <cmetcalf@...hip.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Preeti U Murthy <preeti@...ux.vnet.ibm.com>,
	Christoph Lameter <cl@...ux.com>,
	Richard Henderson <rth@...ddle.net>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Rik van Riel <riel@...hat.com>
Subject: Re: [GIT PULL] nohz: Updates for 4.3


* Frederic Weisbecker <fweisbec@...il.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
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