Message ID | 20230210140917.279062-1-frederic@kernel.org |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id k185-20020a6384c2000000b004efb087270fsi4918993pgd.483.2023.02.10.06.16.36; Fri, 10 Feb 2023 06:16:50 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=aWoNwEiK; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231517AbjBJOJb (ORCPT <rfc822;ybw1215001957@gmail.com> + 99 others); Fri, 10 Feb 2023 09:09:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231814AbjBJOJ0 (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Fri, 10 Feb 2023 09:09:26 -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 6A06F74057 for <linux-kernel@vger.kernel.org>; Fri, 10 Feb 2023 06:09:25 -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 BBD7861DCC for <linux-kernel@vger.kernel.org>; Fri, 10 Feb 2023 14:09:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E69C8C433EF; Fri, 10 Feb 2023 14:09:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1676038164; bh=IWQRr+Q8aIRwlJ77WAyj7aiy1PRgAPS0rY3PdsEvOP0=; h=From:To:Cc:Subject:Date:From; b=aWoNwEiKdE0Iz9DO/hA14IBQKin2qbo7mtfYNQ6ZKdAkbuhzhhvPXtpBkCyW+S/F0 2CRZWiGsn4GOKlfhvkN2gf4XVkdklr+7xqvktiZbhLva7JnrBGqm1S6+WcghwytkVX WYvKS/Dg5bl0YfAKpbzVc10WvjxwrFFdDqLBAV2y+zGKipJTbT0EG/QjkMFPyzL01r d8fdeHTJ3BIl8q5OGj6bp9XhvPknPdiupfsz+Rxtrr3WSKNitIBYiT0PfIyWJEefDy pPJ5d4YxkYz4PbWEwUBw/KhEiTurU6JAfyGBe0LJ9EfEG/8ealBKwszOW4XdDlkG1O 8PQXekHhn+B/A== From: Frederic Weisbecker <frederic@kernel.org> To: LKML <linux-kernel@vger.kernel.org> Cc: Frederic Weisbecker <frederic@kernel.org>, Alexey Dobriyan <adobriyan@gmail.com>, Peter Zijlstra <peterz@infradead.org>, Wei Li <liwei391@huawei.com>, Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>, Thomas Gleixner <tglx@linutronix.de>, Yu Liao <liaoyu15@huawei.com>, Hillf Danton <hdanton@sina.com>, Ingo Molnar <mingo@kernel.org> Subject: [PATCH 0/6] timers/nohz: Fixes and cleanups Date: Fri, 10 Feb 2023 15:09:11 +0100 Message-Id: <20230210140917.279062-1-frederic@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1757453861458625397?= X-GMAIL-MSGID: =?utf-8?q?1757453861458625397?= |
Series |
timers/nohz: Fixes and cleanups
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Message
Frederic Weisbecker
Feb. 10, 2023, 2:09 p.m. UTC
Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/ Frederic Weisbecker (6): 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 MAINTAINERS | 2 +- kernel/time/tick-sched.c | 146 ++++++++++++++++++--------------------- kernel/time/tick-sched.h | 67 +++++++++++------- 3 files changed, 112 insertions(+), 103 deletions(-)
Comments
On Fri, Feb 10, 2023 at 03:09:11PM +0100, Frederic Weisbecker wrote: > Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/ > > Frederic Weisbecker (6): > 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 Seem sensible enough. Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
On Fri, Feb 10 2023 at 15:09, Frederic Weisbecker wrote:
> Try to (partially) fix the issue reported in https://lore.kernel.org/lkml/20230128020051.2328465-1-liaoyu15@huawei.com/
Looks about right. Can you please remove that assert in the selftest
which started all this?
Thanks,
tglx