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=-7.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 42D14C433E0 for ; Thu, 21 Jan 2021 20:01:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0505423A56 for ; Thu, 21 Jan 2021 20:01:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725779AbhAUUBc (ORCPT ); Thu, 21 Jan 2021 15:01:32 -0500 Received: from mail.kernel.org ([198.145.29.99]:50258 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727095AbhAUT5g (ORCPT ); Thu, 21 Jan 2021 14:57:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9482A224B2; Thu, 21 Jan 2021 19:56:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611259015; bh=xRFtoH8ETucU1mVkARB8R7nIZSJDffjwdHq/w8EpcCQ=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=BjF+pnobo2sBYiPFcK+n2sBIAvs0QmdzuR5FZ9URY5DJEBBs5HMFPdy3VuZQ5wDgK DFVZktvVNRjPtKgW2PVVMBgTgMSKXwctOdG7mBiyXvtZDpBnzsTahgPT6TzjhP9EHE EZcCa9clhNJ7TX7+cqmO7aaZJ7N0ohKI4dMIR7yY1UHgC7af46ZhSm/eYUsy9fhAdY VGm1A5fkOWJsvdNyrxMy1s5nvv/rDjFm/4+0MirTfZ4RAbSb66bcyBiIgUWu6oU3uo XH1MYYSMwccZQdpJDsEt+AXybx6ohX2h5QeTmYoFfMYzchEkhw4ZTkN73CRxVgpQ5V pfwHGoTs0xpAg== Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 34D4D35214EB; Thu, 21 Jan 2021 11:56:55 -0800 (PST) Date: Thu, 21 Jan 2021 11:56:55 -0800 From: "Paul E. McKenney" To: Peter Zijlstra Cc: mingo@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, jiangshanlai@gmail.com, valentin.schneider@arm.com, cai@redhat.com, vincent.donnefort@arm.com, decui@microsoft.com, vincent.guittot@linaro.org, rostedt@goodmis.org, tj@kernel.org Subject: Re: [PATCH -v3 0/9] sched: Fix hot-unplug regression Message-ID: <20210121195655.GT2743@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20210121101702.402798862@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210121101702.402798862@infradead.org> User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 21, 2021 at 11:17:02AM +0100, Peter Zijlstra wrote: > Hi, > > Some cautious optimism lets me post v3 of these patches. They (knock on wood) > fix the regression introduced by commit: > > 1cf12e08bc4d ("sched/hotplug: Consolidate task migration on CPU unplug") > > These patches survived overnight runs for both me and Valentin, but I'll let it > run for at least another 12 hours before committing these patches. > > New in this version is patch #7. > > Much thanks to Valentin for his continued support and debugging efforts. Thank you all!!! I have started testing these on top of -rcu. Thanx, Paul