From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A6B4C43600 for ; Wed, 12 May 2021 23:43:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EAE4561404 for ; Wed, 12 May 2021 23:43:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239446AbhELXmQ (ORCPT ); Wed, 12 May 2021 19:42:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:51684 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243600AbhELXar (ORCPT ); Wed, 12 May 2021 19:30:47 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CC7BE613F6; Wed, 12 May 2021 23:29:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620862178; bh=BvLgFFP2FaOwOn41naJu3wceL9pcWdau3pAGZc8yBA0=; h=From:To:Cc:Subject:Date:From; b=CB+XVxyKRy7YNFjUS47rhUVinyCWl7MqPgyJlPacni3Kt2yOeZDqejBU2GiH5R2MU Y3Q2+GP0wp/Dq2mtjHMSHNBnIv3m1jF2q5iRS9QWb7qc+Gti00BVfQ0qfai/1mrVGD AVd7RRgsueU7rgY6Ggx/2tH8zE4aRW9c2dALtAqpwB3sKH9PpW4AnL8Ff0wlFBcTOZ jzpOvXDkRbkfHPEGmY1goNFkMXhgX3Crpv9QFtvcJQS3ZUWCYidq1DCrCMXZMl+PwB dmNjxxjDlEIzwhq1+fjMtvkV5u0zUjQ0L7wNl6ZSef7+Sr54IK3XT44WEN5dinX2Z2 Yma6BYopivVpw== From: Frederic Weisbecker To: Thomas Gleixner , Ingo Molnar Cc: LKML , Frederic Weisbecker , "Rafael J . Wysocki" , Peter Zijlstra , Yunfeng Ye , Marcelo Tosatti Subject: [GIT PULL] tick/nohz updates v3 Date: Thu, 13 May 2021 01:29:14 +0200 Message-Id: <20210512232924.150322-1-frederic@kernel.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ingo, Thomas, Please pull the timers/nohz-v3 branch that can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git timers/nohz-v3 Changes since v2: * Add Acks from Peter Zijlstra * Only bother to fetch task's CPU if the task is queued in "tick/nohz: Kick only _queued_ task whose tick dependency is updated" (reported by Peter Zijlstra) * Correctly indent comment in "tick/nohz: Kick only _queued_ task whose tick dependency is updated" (reported by Peter Zijlstra) * Add Peter's SoB in "tick/nohz: Evaluate the CPU expression after the static key" * Add "tick/nohz: Call tick_nohz_task_switch() with interrupts disabled" (from Peter Zijlstra) * Add "MAINTAINERS: Add myself as context tracking maintainer" --- Summary: * Further reduce ticks and IPIs in full dynticks mode. * Optimize static key based test for a CPU's nohz_full mode and also tick nohz probe on context switch. * A few cleanups, Kconfig documentation and maintainership clarification. HEAD: 380b68819eed62264ad8e54467481ca7003248c3 Thanks, Frederic --- Frederic Weisbecker (4): tick/nohz: Remove superflous check for CONFIG_VIRT_CPU_ACCOUNTING_NATIVE tick/nohz: Update nohz_full Kconfig help tick/nohz: Only wakeup a single target cpu when kicking a task MAINTAINERS: Add myself as context tracking maintainer Marcelo Tosatti (2): tick/nohz: Change signal tick dependency to wakeup CPUs of member tasks tick/nohz: Kick only _queued_ task whose tick dependency is updated Peter Zijlstra (2): tick/nohz: Evaluate the CPU expression after the static key tick/nohz: Call tick_nohz_task_switch() with interrupts disabled Yunfeng Ye (2): tick/nohz: Conditionally restart tick on idle exit tick/nohz: Update idle_exittime on actual idle exit MAINTAINERS | 6 ++ include/linux/sched.h | 2 + include/linux/tick.h | 26 +++++---- kernel/sched/core.c | 7 ++- kernel/time/Kconfig | 11 ++-- kernel/time/posix-cpu-timers.c | 4 +- kernel/time/tick-sched.c | 129 ++++++++++++++++++++++++++++------------- 7 files changed, 125 insertions(+), 60 deletions(-)