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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 73BBCC433DF for ; Tue, 7 Jul 2020 01:33:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5081520722 for ; Tue, 7 Jul 2020 01:33:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594085588; bh=u6fNG2FiXN9ala0D4fABXFTcLSBkJ478pzCy22zTINA=; h=From:To:Cc:Subject:Date:List-ID:From; b=bWc9+7YoY2kslsqz6a6o7OSF3t5qtnH6ga5i1A+qcEESu5mB8psUUJdFaV1BMaPZI mV6+1XGJhVkbwsmAAWwURhpIuqcn+vhtJ05KWQ7YOkbLan3C4v+lpNyQD0zd2M8cBO vNTbwE35xpdD9k9iBkEe8zgzhwdEVcbKr6ft9MRw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727870AbgGGBdG (ORCPT ); Mon, 6 Jul 2020 21:33:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:38518 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727064AbgGGBdG (ORCPT ); Mon, 6 Jul 2020 21:33:06 -0400 Received: from lenoir.home (lfbn-ncy-1-317-216.w83-196.abo.wanadoo.fr [83.196.152.216]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 291C5206E6; Tue, 7 Jul 2020 01:33:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594085586; bh=u6fNG2FiXN9ala0D4fABXFTcLSBkJ478pzCy22zTINA=; h=From:To:Cc:Subject:Date:From; b=HF/IICASZBRdz2n/IQazPYMUYW+7qqNlg8pmtCyxRRMvA7cyjITUc93sgP8gdJNdk zkxT8S1FxEctwQp7fIneX8yKpNx5CALcYjk2hmGpD/G28f+ZJxmqXFKJj22C+Onnxu CV9Q4PRPM081U3fFH/fNgXPYBbN7TlSr0S7lX8iQ= From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , Frederic Weisbecker , Anna-Maria Gleixner , Peter Zijlstra , Juri Lelli Subject: [PATCH 0/9] timer: Reduce timers softirq v2 Date: Tue, 7 Jul 2020 03:32:44 +0200 Message-Id: <20200707013253.26770-1-frederic@kernel.org> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, No huge change here, just addressed reviews and fixed warnings: * Reposted patch 1 separately with appropriate "Fixes:" tag and stable Cc'ed: https://lore.kernel.org/lkml/20200703010657.2302-1-frederic@kernel.org/ * Fix missing initialization of next_expiry in 4/9 (thanks Juri) * Dropped "timer: Simplify LVL_START() and calc_index()" and added comments to explain current layout instead in 2/9 (thanks Thomas) * Rewrote changelog of 9/9 (Thanks Thomas) git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git timers/softirq-v2 HEAD: 5545d80b7b9bd69ede1c17fda194ac6620e7063f Thanks, Frederic --- Frederic Weisbecker (9): timer: Move trigger_dyntick_cpu() to enqueue_timer() timer: Add comments about calc_index() ceiling work timer: Optimize _next_timer_interrupt() level iteration timers: Always keep track of next expiry timer: Reuse next expiry cache after nohz exit timer: Expand clk forward logic beyond nohz timer: Spare timer softirq until next expiry timer: Remove must_forward_clk timer: Lower base clock forwarding threshold kernel/time/timer.c | 169 ++++++++++++++++++---------------------------------- 1 file changed, 58 insertions(+), 111 deletions(-)