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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 E7146C433ED for ; Fri, 21 May 2021 08:55:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CA2A1613AC for ; Fri, 21 May 2021 08:55:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234160AbhEUI5B (ORCPT ); Fri, 21 May 2021 04:57:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233621AbhEUI47 (ORCPT ); Fri, 21 May 2021 04:56:59 -0400 Received: from mail-qv1-xf2e.google.com (mail-qv1-xf2e.google.com [IPv6:2607:f8b0:4864:20::f2e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4464BC0613CE; Fri, 21 May 2021 01:55:36 -0700 (PDT) Received: by mail-qv1-xf2e.google.com with SMTP id eb9so10010121qvb.6; Fri, 21 May 2021 01:55:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Kp/ysYVEmYIMLiNSKzfBzrR9z7OzmQLKQ2Sawak68LY=; b=YPBVlWE4l2A4ezAJHFNC+Il1+5+5W12wlemT+PDD4ckOlhVCiC/+9aUy98jCR/BPV/ 0Und1ZHWCRP7Cb3P+Zl7er4AFX0BtB9boljRfeWE6mwkdBV1ufM09WTLjigU3uLuAVur Uu38UA4LotXZqXdVdEGUYLugFyufHcWfDwVJ/Q6bHtNO0UurK3fiSh0AhH2zhtLMdppZ OjEdVtuVAafnBEwt9rWhYNH3QS6bJIKjYtquGrAaR8aT2lyoXjBsUBxGTD+xArspOX+p cgf66olHRhaDmcwB91E5vFdWmXHRJ2BQCC3yA5TgWa4hvba/pPODIi0OyIu5cCGFx1vj 9nzQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Kp/ysYVEmYIMLiNSKzfBzrR9z7OzmQLKQ2Sawak68LY=; b=jX+IvVUny6nEatNS6SzKTvhbiE2sPVNHMzNjxC708TQeTwZXa9cgTc+QJMBmgu7d28 qZALV7H6MLe1cm8ZLjYqWj0+nwPMVI1AzIa/UyOhrJYUw6QRB8XXGlXwZhX0xDQexMKb ofdwrzB4SDbiMYwBzry0fZX/nSv4vnh+nVJCV/Vv+CL8ESR/xp3VZmwbOLg0JIYu44FE RnyC4iCeEV7DpAtqgzcJTUMK7k8REKg0y2CzXBRYoUOeQjG0sbiNnx95eBlhIbr7kOky 8hWZsKKmMkjO9F7OReGV6yey/0dUaX67f+PeuAgFGVO5Gubs0cggYbTfrUKN28Rgc07Y 98vQ== X-Gm-Message-State: AOAM533IcTJXPt7yKZMeQtSTu7RC9Gl4W5jDGN5Q5UfcI2v1Ywdbgt7r QEnbDeGvzCZyvqdpQWiA94M= X-Google-Smtp-Source: ABdhPJxw7sz5aIuW4iLCr915B8yRlIiLDiAP9oofNv+2RTvcpwKIYwRj+m4cjAgJ02Nrlp/9gllK6g== X-Received: by 2002:a05:6214:391:: with SMTP id l17mr11269278qvy.22.1621587335199; Fri, 21 May 2021 01:55:35 -0700 (PDT) Received: from auth2-smtp.messagingengine.com (auth2-smtp.messagingengine.com. [66.111.4.228]) by smtp.gmail.com with ESMTPSA id w189sm4545620qkb.39.2021.05.21.01.55.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 May 2021 01:55:34 -0700 (PDT) Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailauth.nyi.internal (Postfix) with ESMTP id D7F7D27C0054; Fri, 21 May 2021 04:55:33 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Fri, 21 May 2021 04:55:33 -0400 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduledrvdejfedguddtucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpeffhffvuffkfhggtggujgesthdtre dttddtvdenucfhrhhomhepuehoqhhunhcuhfgvnhhguceosghoqhhunhdrfhgvnhhgsehg mhgrihhlrdgtohhmqeenucggtffrrghtthgvrhhnpedvleeigedugfegveejhfejveeuve eiteejieekvdfgjeefudehfefhgfegvdegjeenucfkphepudefuddruddtjedruddrvdeh geenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepmhgrihhlfhhrohhmpegsoh hquhhnodhmvghsmhhtphgruhhthhhpvghrshhonhgrlhhithihqdeiledvgeehtdeigedq udejjeekheehhedvqdgsohhquhhnrdhfvghngheppehgmhgrihhlrdgtohhmsehfihigmh gvrdhnrghmvg X-ME-Proxy: Received: from localhost (unknown [131.107.1.254]) by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 21 May 2021 04:55:32 -0400 (EDT) Date: Fri, 21 May 2021 16:55:05 +0800 From: Boqun Feng To: Xiongwei Song Cc: peterz@infradead.org, mingo@redhat.com, will@kernel.org, longman@redhat.com, corbet@lwn.net, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, Xiongwei Song Subject: Re: [PATCH] docs: lockdep-design: correct the notation for writer Message-ID: References: <1621578594-13237-1-git-send-email-sxwjean@me.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1621578594-13237-1-git-send-email-sxwjean@me.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 21, 2021 at 02:29:54PM +0800, Xiongwei Song wrote: > From: Xiongwei Song > > The block condition matrix is using 'E' as the writer noation here, so it > would be better to use 'E' as the reminder rather than 'W'. > Good catch! > Signed-off-by: Xiongwei Song Reviewed-by: Boqun Feng Regards, Boqun > --- > Documentation/locking/lockdep-design.rst | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/Documentation/locking/lockdep-design.rst b/Documentation/locking/lockdep-design.rst > index 9f3cfca..c3b923a 100644 > --- a/Documentation/locking/lockdep-design.rst > +++ b/Documentation/locking/lockdep-design.rst > @@ -462,7 +462,7 @@ Block condition matrix, Y means the row blocks the column, and N means otherwise > | R | Y | Y | N | > +---+---+---+---+ > > - (W: writers, r: non-recursive readers, R: recursive readers) > + (E: writers, r: non-recursive readers, R: recursive readers) > > > acquired recursively. Unlike non-recursive read locks, recursive read locks > -- > 2.7.4 >