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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD2A6C636D6 for ; Wed, 22 Feb 2023 14:47:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231784AbjBVOr0 (ORCPT ); Wed, 22 Feb 2023 09:47:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59326 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231174AbjBVOrT (ORCPT ); Wed, 22 Feb 2023 09:47:19 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D869A3B65C for ; Wed, 22 Feb 2023 06:46:58 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E4CBE61480 for ; Wed, 22 Feb 2023 14:46:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 394E9C433EF; Wed, 22 Feb 2023 14:46:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677077216; bh=ZfJtndrFWcZCScshDBOMweySQa8G/TRdKVrKnsxi7mE=; h=From:To:Cc:Subject:Date:From; b=A/l1QU7asZery8BgIzMySL+Y+ue3oCTe2bQWVfG6Jgxp8DxbM4JKBmYYkCyMKITUu j5YtM1PCJb+JMbXpMcQHoxXFXYI5EhByvrx/0NBFi4lWgxLItg/IQAONlNS1ekgEe+ FoRxmVYPzLQEji9Ij33zM7Hen4TSUMJrPqIioA6RQUVc49J4GC0Uis5VEAx85Tn9le fJxtQznb8uNVafgBljCv6kRl2OHSY0Z30Kd7y3AyieQonfrg/GSrlBio+bpt/Bte5u 94+n1rQQUxyYETJifcoSrReSQND9l2ymlar429hmxl8TJqcAhfhLnrpd8m7CW1ZEyb n27iMcty6enSA== From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , Frederic Weisbecker , Alexey Dobriyan , Wei Li , Peter Zijlstra , Mirsad Goran Todorovac , Yu Liao , Hillf Danton , Ingo Molnar Subject: [PATCH 0/8] timers/nohz: Fixes and cleanups v3 Date: Wed, 22 Feb 2023 15:46:41 +0100 Message-Id: <20230222144649.624380-1-frederic@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/ Changes since v2: * Keep the monotonicity check against /proc/uptime first field * Add monotonicity test between clock_gettime(CLOCK_BOOTTIME) and /proc/uptime git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git timers/core-v2 HEAD: 45034144d493f62516285d7ec8bcd6408653d056 Thanks, Frederic --- Frederic Weisbecker (8): timers/nohz: Restructure and reshuffle struct tick_sched timers/nohz: Only ever update sleeptime from idle exit timers/nohz: Protect idle/iowait sleep time under seqcount timers/nohz: Add a comment about broken iowait counter update race timers/nohz: Remove middle-function __tick_nohz_idle_stop_tick() MAINTAINERS: Remove stale email address selftests/proc: Remove idle time monotonicity assertions selftests/proc: Assert clock_gettime(CLOCK_BOOTTIME) VS /proc/uptime monotonicity MAINTAINERS | 2 +- kernel/time/tick-sched.c | 135 ++++++++++++------------- kernel/time/tick-sched.h | 67 +++++++----- tools/testing/selftests/proc/proc-uptime-001.c | 25 +++-- tools/testing/selftests/proc/proc-uptime-002.c | 27 +++-- tools/testing/selftests/proc/proc-uptime.h | 28 ++--- 6 files changed, 159 insertions(+), 125 deletions(-)