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=-0.9 required=3.0 tests=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 6998DC388F3 for ; Tue, 1 Oct 2019 11:22:40 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 2ED3921D79 for ; Tue, 1 Oct 2019 11:22:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lca.pw header.i=@lca.pw header.b="aAazoFhE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2ED3921D79 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lca.pw Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AF1798E0006; Tue, 1 Oct 2019 07:22:39 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id AA1F68E0001; Tue, 1 Oct 2019 07:22:39 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 9B9118E0006; Tue, 1 Oct 2019 07:22:39 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0164.hostedemail.com [216.40.44.164]) by kanga.kvack.org (Postfix) with ESMTP id 7A2268E0001 for ; Tue, 1 Oct 2019 07:22:39 -0400 (EDT) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with SMTP id 0112A126F for ; Tue, 1 Oct 2019 11:22:38 +0000 (UTC) X-FDA: 75994978038.16.girl94_8b7dc6f793d00 X-HE-Tag: girl94_8b7dc6f793d00 X-Filterd-Recvd-Size: 3324 Received: from mail-qk1-f193.google.com (mail-qk1-f193.google.com [209.85.222.193]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Tue, 1 Oct 2019 11:22:38 +0000 (UTC) Received: by mail-qk1-f193.google.com with SMTP id 201so10757089qkd.13 for ; Tue, 01 Oct 2019 04:22:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=lca.pw; s=google; h=content-transfer-encoding:from:mime-version:subject:date:message-id :references:cc:in-reply-to:to; bh=578rfGpVaJDuxC7snTS+bLfPo9Z4aZMc584mEk6xZzI=; b=aAazoFhEBUkb7a6kc6EBK5vZNyU/QPd7g1wPK851hNd9PXll71/QWjYAgy++c1NDZ7 5DF+2K3uojCL8x1eHMPNexjaGyTSquSVzkmG0O6tCQHxOEQZb1zR1CE9D2vpN7ajtqEJ 2EJOir37LtuYm6D3yZKn7RT0D6nz3+tg6GoXQz0MOztWr/xV06lYFIfkcO22NKcZNhXI MEq2ZrK8HJoIKwMyebM7MZItqpvd2oFTSxv8whGeqHp57RUexNp7ti8i7R81djfx0cgd OWYRHf7v5lYl5Lxt7QoG+0yYpwfU5Moy8VIby2CsVYpz9Tzdj+xnbCAFnFWdpacdyD8Y lVcg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:content-transfer-encoding:from:mime-version :subject:date:message-id:references:cc:in-reply-to:to; bh=578rfGpVaJDuxC7snTS+bLfPo9Z4aZMc584mEk6xZzI=; b=A4+IqIn3Px2APPJQ28nLGMitST0uDgb7IdTfTc4geXmxORxr6jVB3F6jjBVrG/qJvF MvgoHwM8e2p8obbTmJNspOLBif4HxMMAUNOLOQOBtZnIaJlyvmOkLvQXwP+o9u5FG4hn 0zKIMArLkrG+wyQ80SWz9x9JSMhthObWLe6HbVpN735nr1U+1bnEXDqPACY7bWFol5W0 mWSjbnkA+6fengiyhIZrsV58iAXe5RjBPtK39w2HZIfe6NOXcFuoEtV0j45KHSKZMACY n8adhBw/ipL1plC+/yvDkDfIgxziKdInEDivjhQnlai2tvmCKkiY7m8HTDfocTTroyii 6yyw== X-Gm-Message-State: APjAAAWFajMEuX8E1dY09cu28fCpcBh2Z3bbeh9uxgJFqATjechEu0r6 pSVvqRCSzTlVk1RVTni2uL0/IA== X-Google-Smtp-Source: APXvYqzxrY7nn7ntisLcAagwMn1bJEGRlpPNksCY18M6m16px0m+JLCH0gfU5Jzkh9Y+W0+6TUiKhQ== X-Received: by 2002:a37:dcc1:: with SMTP id v184mr5444834qki.258.1569928957812; Tue, 01 Oct 2019 04:22:37 -0700 (PDT) Received: from [192.168.1.183] (pool-71-184-117-43.bstnma.fios.verizon.net. [71.184.117.43]) by smtp.gmail.com with ESMTPSA id 22sm7619884qkj.0.2019.10.01.04.22.37 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Oct 2019 04:22:37 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit From: Qian Cai Mime-Version: 1.0 (1.0) Subject: Re: [PATCH] sched: Avoid spurious lock dependencies Date: Tue, 1 Oct 2019 07:22:36 -0400 Message-Id: References: <20191001091837.GK4536@hirez.programming.kicks-ass.net> Cc: akpm@linux-foundation.org, bigeasy@linutronix.de, tglx@linutronix.de, thgarnie@google.com, tytso@mit.edu, cl@linux.com, penberg@kernel.org, rientjes@google.com, mingo@redhat.com, will@kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, keescook@chromium.org In-Reply-To: <20191001091837.GK4536@hirez.programming.kicks-ass.net> To: Peter Zijlstra X-Mailer: iPhone Mail (17A844) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000013, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: > On Oct 1, 2019, at 5:18 AM, Peter Zijlstra wrote: > > Does the below adequately describe the situation? Yes, looks fine.