From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757777AbaEKXeG (ORCPT ); Sun, 11 May 2014 19:34:06 -0400 Received: from mail-wi0-f172.google.com ([209.85.212.172]:61450 "EHLO mail-wi0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751614AbaEKXeD (ORCPT ); Sun, 11 May 2014 19:34:03 -0400 From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Andrew Morton , Ingo Molnar , Kevin Hilman , "Paul E. McKenney" , Peter Zijlstra , Thomas Gleixner , Viresh Kumar Subject: [RFC PATCH 0/5] nohz: Move nohz kick out of scheduler IPI, v3 Date: Mon, 12 May 2014 01:33:52 +0200 Message-Id: <1399851237-2226-1-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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(-)