linux-kernel - [RFC PATCH 0/5] nohz: Move nohz kick out of scheduler IPI, v3

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Message-Id: <1399851237-2226-1-git-send-email-fweisbec@gmail.com>
Date:	Mon, 12 May 2014 01:33:52 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...nel.org>,
	Kevin Hilman <khilman@...aro.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [RFC PATCH 0/5] nohz: Move nohz kick out of scheduler IPI, v3

Hi,

So this version gives up with smp_queue_function_single() and extends
irq work to support remote queuing. As suggested by Peterz.

Comments?

git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
	timers/nohz-irq-work

Thanks,
	Frederic
---

Frederic Weisbecker (5):
      irq_work: Architecture support for remote irq work raise
      irq_work: Force non-lazy works on IPI
      irq_work: Allow remote queueing
      nohz: Move full nohz kick to its own IPI
      nohz: Use IPI implicit full barrier against rq->nr_running r/w


 arch/Kconfig               | 12 +++++++
 arch/alpha/kernel/time.c   |  3 +-
 arch/arm/Kconfig           |  1 +
 arch/arm/kernel/smp.c      |  4 +--
 arch/powerpc/kernel/time.c |  3 +-
 arch/sparc/kernel/pcr.c    |  3 +-
 arch/x86/Kconfig           |  1 +
 arch/x86/kernel/irq_work.c | 10 ++----
 include/linux/irq_work.h   |  3 ++
 include/linux/tick.h       |  9 ++++-
 kernel/irq_work.c          | 87 +++++++++++++++++++++++++++++++---------------
 kernel/sched/core.c        | 14 ++++----
 kernel/sched/sched.h       | 12 +++++--
 kernel/time/Kconfig        |  2 ++
 kernel/time/tick-sched.c   | 10 +++---
 kernel/timer.c             |  2 +-
 16 files changed, 118 insertions(+), 58 deletions(-)
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