From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754428Ab1HTRbN (ORCPT ); Sat, 20 Aug 2011 13:31:13 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:54864 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752045Ab1HTRbJ (ORCPT ); Sat, 20 Aug 2011 13:31:09 -0400 From: Frederic Weisbecker To: "Paul E. McKenney" Cc: LKML , Frederic Weisbecker , Thomas Gleixner , Peter Zijlstra , "H. Peter Anvin" , David Miller , Chris Metcalf , Guan Xuetao , Hans-Christian Egtvedt , Mike Frysinger , Ralf Baechle , Russell King , Paul Mackerras , Heiko Carstens , Paul Mundt , Ingo Molnar Subject: [PATCH 0/4 v2] rcu: Fix some rcu uses in extended quiescent state Date: Sat, 20 Aug 2011 19:30:48 +0200 Message-Id: <1313861452-24783-1-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 1.7.5.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I have changed a bit the first patch by adding a "rcu_ext_qs" parameter in tick_nohz_enter_idle() so we just need to toggle that parameter to false when rcu_enter_nohz() is called separately. That's less confusing and more consistant than calling tick_nohz_stop_sched_tick() instead of tick_nohz_enter_idle() when rcu dynticks idle mode is handled separately. It's an important enough change that I thought I had to drop all the acks in the first patch. Also it adds a new fix for a new bug detected in patch 4. The powerpc case is trickier so I prefer to get that pile handled before. Thanks. Frederic Weisbecker (4): nohz: Split extended quiescent state handling from nohz switch x86: Enter rcu extended qs after idle notifier call x86: Call idle notifier after irq_enter() rcu: Fix early call to rcu_irq_exit() arch/arm/kernel/process.c | 4 +- arch/avr32/kernel/process.c | 4 +- arch/blackfin/kernel/process.c | 4 +- arch/microblaze/kernel/process.c | 4 +- arch/mips/kernel/process.c | 4 +- arch/powerpc/kernel/idle.c | 4 +- arch/powerpc/platforms/iseries/setup.c | 8 +++--- arch/s390/kernel/process.c | 4 +- arch/sh/kernel/idle.c | 2 +- arch/sparc/kernel/process_64.c | 4 +- arch/tile/kernel/process.c | 4 +- arch/um/kernel/process.c | 4 +- arch/unicore32/kernel/process.c | 4 +- arch/x86/kernel/apic/apic.c | 6 ++-- arch/x86/kernel/apic/io_apic.c | 2 +- arch/x86/kernel/cpu/mcheck/mce.c | 2 +- arch/x86/kernel/cpu/mcheck/therm_throt.c | 2 +- arch/x86/kernel/cpu/mcheck/threshold.c | 2 +- arch/x86/kernel/irq.c | 6 ++-- arch/x86/kernel/process_32.c | 4 +- arch/x86/kernel/process_64.c | 9 ++++++- include/linux/tick.h | 9 ++++--- kernel/softirq.c | 2 +- kernel/time/tick-sched.c | 31 +++++++++++++++++++++++++---- 24 files changed, 78 insertions(+), 51 deletions(-) -- 1.7.5.4