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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 BB67AC433DB for ; Wed, 10 Mar 2021 15:04:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7CACE64F43 for ; Wed, 10 Mar 2021 15:04:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230373AbhCJPDa (ORCPT ); Wed, 10 Mar 2021 10:03:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39164 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232849AbhCJPDP (ORCPT ); Wed, 10 Mar 2021 10:03:15 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 33E91C061760 for ; Wed, 10 Mar 2021 07:03:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Subject:Cc:To:From:Date:Message-ID: Sender:Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:In-Reply-To:References; bh=rVaZvUmwNMQ4cGyM+ZRte5RqiuQMK9xv73vnf6THGC8=; b=DIoJTbsCAVmA8PeceDqyR9Z6BZ boXGkWGu9Db40+5NulJYnK6G/poBPzH7G7LAPIIol4Zqjm6QnMeysAuphghCc8ykJ0PuyTfxb8hTx 2adQ78wGCpvV8+ioaXblSDMS+fmHWXzXImNZ9x+1TmN4IoZDZDhLXNF8r0eRh+fxfJLXSFsYyAOQO +72ytS7hk9jYW8C5N798dTlA5f3y5bKakxAd+Dgsol1yq+IfcRAXGz6AMRvo4tb2bZwtFXoa0pXGQ GFuVh+FBpBSoIRdgtr3FF4xGpmN9fGwPbNjHBg2PBDe/9zYbqGZNMb0AEUGLcSVmUX6nd49qaZBHY QWSyxxcQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94 #2 (Red Hat Linux)) id 1lK0LF-003kLM-Sp; Wed, 10 Mar 2021 15:01:51 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 133443013E5; Wed, 10 Mar 2021 16:01:41 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 0) id EAF9621ADDC04; Wed, 10 Mar 2021 16:01:40 +0100 (CET) Message-ID: <20210310145258.899619710@infradead.org> User-Agent: quilt/0.66 Date: Wed, 10 Mar 2021 15:52:58 +0100 From: Peter Zijlstra To: valentin.schneider@arm.com, tglx@linutronix.de, mingo@kernel.org, bigeasy@linutronix.de, swood@redhat.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, vincent.donnefort@arm.com, qais.yousef@arm.com Cc: linux-kernel@vger.kernel.org, peterz@infradead.org Subject: [PATCH 0/3] sched: Fix remaining balance_push vs hotplug hole Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, While the patches here: https://lkml.kernel.org/r/20210121101702.402798862@infradead.org fixed the immediate hotplug regression, there was still a pending issue with hotplug rollback (which basically never happens). I had written these patches at the time, but never got around to actually posting them. So here goes.