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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,USER_AGENT_GIT autolearn=ham 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 20DD0C04AAB for ; Mon, 6 May 2019 08:20:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E3B0721670 for ; Mon, 6 May 2019 08:20:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aiPslvaW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726472AbfEFIUL (ORCPT ); Mon, 6 May 2019 04:20:11 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:36591 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726197AbfEFIUI (ORCPT ); Mon, 6 May 2019 04:20:08 -0400 Received: by mail-pg1-f196.google.com with SMTP id 85so6096459pgc.3 for ; Mon, 06 May 2019 01:20:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0kfhy/vws18rZpDHDaPIfYHeGOwGyfC2bZ5+sCfkbgA=; b=aiPslvaWZSe2jEqAf1nS35euQvnz1CFpNDxLJmXCE4CmuJwQvFyYLMJZA2pbQ2pc7s 9GgOzeYxcdYMYZzOnyIwNUx9PwOSmmRQkwrs9PNoxpY8QXWxYa++RQVYP0C3GbEWTNES CSHTdv8gcbW30QvOBTCHkLJ9StxbWDS3kX3FJNnBXOE+ZWh2BwNkDarBV3vXLRksOgKL LH7O7d0zpVa0tgEpp2SjnY1fYnUttt0GHWbtfK0OH+JtRVShnkhaNs4A8XVLL0Lfrd29 lrv233TqUHpCeV7c9uOpjCA9KQrkSanx/EU0JyqeUI+/Gg4Aix6T3s0ZQ709qmtM1ywb Zveg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0kfhy/vws18rZpDHDaPIfYHeGOwGyfC2bZ5+sCfkbgA=; b=XlCfaD7ViwH7wfFnTgi4oA8cb0hPJTzB2KGSWoRkLD5qUTJW8FLycDqAuF7bHY9oM8 nsk3qY6TlbplL/5WJsw/pcOFchhtzvJKIapNCYpp7H5+uzWdrI+0nLtf+Y9d61XZLOpf CDaend2MvIwVQwwszxs70O/bxrMc6WtuZPcnSgLNWrFsHS4SjZeSw5hcnxh6l9q5Xr4l AYHc8k6lxHt2+abk62H7fbKnpRFUuD3L0jNyMPSZdSS9IlXiQzDvqFk+eww+4G7GmTle PEoVIAF7yigDrl0l01FZuAcUBWi94h+taGK2RzsAUt/VK0kNCES6Zn+6YZiJ5Qdtfcuc pJgw== X-Gm-Message-State: APjAAAXTr8kd5P2DaSzl1+cQEEPW9ryymXC2RLLzAhc6WWqgH8h+852p i7y201Tcd6Oo00//kxTrCmrdj+yz75yPwA== X-Google-Smtp-Source: APXvYqzDTXJ43SKrPJ3byOyk8u/WCubl4tKRa79J/PWPJMMb3Zzds/4j9jFCEz5iFERISmjt51LLQQ== X-Received: by 2002:a63:de11:: with SMTP id f17mr29706720pgg.94.1557130808373; Mon, 06 May 2019 01:20:08 -0700 (PDT) Received: from localhost.localdomain ([203.100.54.194]) by smtp.gmail.com with ESMTPSA id v19sm20958013pfa.138.2019.05.06.01.20.05 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 06 May 2019 01:20:07 -0700 (PDT) From: Yuyang Du To: peterz@infradead.org, will.deacon@arm.com, mingo@kernel.org Cc: bvanassche@acm.org, ming.lei@redhat.com, frederic@kernel.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, Yuyang Du Subject: [PATCH v2 06/23] locking/lockdep: Update obsolete struct field description Date: Mon, 6 May 2019 16:19:22 +0800 Message-Id: <20190506081939.74287-7-duyuyang@gmail.com> X-Mailer: git-send-email 2.20.1 (Apple Git-117) In-Reply-To: <20190506081939.74287-1-duyuyang@gmail.com> References: <20190506081939.74287-1-duyuyang@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The lock_chain struct definition has outdated comment, update it and add struct member description. Signed-off-by: Yuyang Du --- include/linux/lockdep.h | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 6e2377e..851d44f 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -203,11 +203,17 @@ struct lock_list { struct lock_list *parent; }; -/* - * We record lock dependency chains, so that we can cache them: +/** + * struct lock_chain - lock dependency chain record + * + * @irq_context: the same as irq_context in held_lock below + * @depth: the number of held locks in this chain + * @base: the index in chain_hlocks for this chain + * @entry: the collided lock chains in lock_chain hash list + * @chain_key: the hash key of this lock_chain */ struct lock_chain { - /* see BUILD_BUG_ON()s in lookup_chain_cache() */ + /* see BUILD_BUG_ON()s in add_chain_cache() */ unsigned int irq_context : 2, depth : 6, base : 24; -- 1.8.3.1