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[209.132.180.67]) by mx.google.com with ESMTP id m136si6135958pga.274.2019.04.25.23.39.18; Thu, 25 Apr 2019 23:39:33 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=rsho9+eY; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727012AbfDZGf6 (ORCPT + 99 others); Fri, 26 Apr 2019 02:35:58 -0400 Received: from mail-qk1-f193.google.com ([209.85.222.193]:35942 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725800AbfDZGf6 (ORCPT ); Fri, 26 Apr 2019 02:35:58 -0400 Received: by mail-qk1-f193.google.com with SMTP id m137so1285823qke.3 for ; Thu, 25 Apr 2019 23:35:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=w0CCcvrQKNvZdOBlguNuEQf2fS1NfZTk1cAx7BGAUbs=; b=rsho9+eYlPseO7/CGG1SFD4EoFm92Su3T5N6sNPsTBsYzPiAjBd3dZUpWvFxqqcrR6 zRf2nDRJcZWyq7jzjYKPvhiQT4MNNbuSmvyKDHYVU4co+e4mVlmLNLv2ywAZU0qT+RUd S9c/WrvNnXx0I1iJUIH4QbOxzMh6r4rXr3WVhkowaZOB+m5vDAz7miRqbYMoRhXSQJc5 POgr0HoK5sLtd+fnCWiPWAe0N4FaJBxcXg9KSVzMXMb6+1IQ3U89xnC64Mgh3N7fl0wQ V3Hd8CtBvT2S2B5O5CUr8sy4anROl3LY6JOfY1xGpFoU67Dbk8prr8HzcfXeEaaQLWfs 01mA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=w0CCcvrQKNvZdOBlguNuEQf2fS1NfZTk1cAx7BGAUbs=; b=ucqp0W331m3bisEOS8YZXveACr/mjoyM4FMf8s6Sfxme893S1J/Lk9bURVOsRxthwd JwL9pjmlTPC13oMsA4b2MoTYOP4qaKINrWUGu/lrFj3b/wzCZOgmeuBe8yf2w8AW/6to 72TFWDH+7mYm1rpZHYZ7M8t01pqZ7zyNXkAqmYzNT6Qt8Zs/r0Bt/uZXxV8WsAKpVLnl ht+p7CK6OcUApP+GYubCjpiCByqRPhK3DH3cORChHvVOqJ6UNoJ6ddFjzbwHMVqR79+Z 9z/x1fBZOvYlh8SrvjU71VmEMOPENcEISNxXoNgKcEGum9wOZVsG+OA6z2r0SdLZJ2s/ YXjw== X-Gm-Message-State: APjAAAVb1VUAVVgLRLm7S0a+6Y11qNNoNG8MIKJcWjVmz8lBWUIDtj0T vH/bENQlIFwvUafnVm175indhADOCJKohHds29PbdZard3Tm2g== X-Received: by 2002:a05:620a:1088:: with SMTP id g8mr9634469qkk.173.1556260557642; Thu, 25 Apr 2019 23:35:57 -0700 (PDT) MIME-Version: 1.0 References: <20190424101934.51535-1-duyuyang@gmail.com> <20190424101934.51535-27-duyuyang@gmail.com> <20190425200658.GZ12232@hirez.programming.kicks-ass.net> In-Reply-To: <20190425200658.GZ12232@hirez.programming.kicks-ass.net> From: Yuyang Du Date: Fri, 26 Apr 2019 14:35:46 +0800 Message-ID: Subject: Re: [PATCH 26/28] locking/lockdep: Remove __bfs To: Peter Zijlstra Cc: will.deacon@arm.com, Ingo Molnar , Bart Van Assche , ming.lei@redhat.com, Frederic Weisbecker , tglx@linutronix.de, LKML Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thanks for review. On Fri, 26 Apr 2019 at 04:07, Peter Zijlstra wrote: > > On Wed, Apr 24, 2019 at 06:19:32PM +0800, Yuyang Du wrote: > > Since there is no need for backward dependecy searching, remove this > > extra function layer. > > OK, so $subject confused the heck out of me, I thought you were going to > remove the whole bfs machinery. May I suggest retaining > __bfs_backwards() in the previous patch (which I'm _waay_ to tired for > to look at now) and calling this patch: "Remove __bfs_backwards()". Sure thing.