From patchwork Thu May 18 22:40:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SeongJae Park X-Patchwork-Id: 13247482 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E31CC7EE30 for ; Thu, 18 May 2023 22:40:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230387AbjERWkV (ORCPT ); Thu, 18 May 2023 18:40:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50632 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230350AbjERWkU (ORCPT ); Thu, 18 May 2023 18:40:20 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E51E6E6E; Thu, 18 May 2023 15:40:19 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 82A1E65290; Thu, 18 May 2023 22:40:19 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6A613C433A8; Thu, 18 May 2023 22:40:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684449619; bh=SJxI8K9C2w5GlQmZqTJRQSZCMc1JRXWEVEA8cvqdWaA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AhW0Cn0f1RevzDaWU0j6r2dq/quj3SUeeEW9Q9uD+27BTcyCxAb8DWP1oDoUuMmXw 7ggKr9g+nTi86Tpgg7dH1+pt+DGTN11r3tG+SXLNV6vQrRBNH7WNq/SrCE1TKXwsMU Adz0O/wz/WwiebYlIBVbmv7NPVkv5x9/gLFBHYBgdcAfW7ZThG9JqZFxL6ucL4u9nI K4Saj11CePhstbNsuvKC6qqEhRwOvzhxXj2bfPFN0cfN5mcXh6f1dnHDuT0lKoZ1Uw 468aEX5WhFycuC7x24O6V3IQgfcdhGg4/u4Bk85AWG9IdvvvL0ihojMMoW2FSxfvET xxvGip7ZvV0PA== From: SeongJae Park To: paulmck@kernel.org Cc: SeongJae Park , joel@joelfernandes.org, corbet@lwn.net, rcu@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/4] Docs/RCU/rculist_nulls: Fix trivial coding style Date: Thu, 18 May 2023 22:40:05 +0000 Message-Id: <20230518224008.2468-2-sj@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230518224008.2468-1-sj@kernel.org> References: <20230518224008.2468-1-sj@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org Lookup example of non-hlist_nulls management is missing a semicolon, and having inconsistent indentation (one line is using single space indentation while others are using two spaces indentation). Fix the trivial issues. Signed-off-by: SeongJae Park --- Documentation/RCU/rculist_nulls.rst | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/Documentation/RCU/rculist_nulls.rst b/Documentation/RCU/rculist_nulls.rst index 9a734bf54b76..253ecd869fc2 100644 --- a/Documentation/RCU/rculist_nulls.rst +++ b/Documentation/RCU/rculist_nulls.rst @@ -26,7 +26,7 @@ algorithms: :: begin: - rcu_read_lock() + rcu_read_lock(); obj = lockless_lookup(key); if (obj) { if (!try_get_ref(obj)) // might fail for free objects @@ -68,8 +68,8 @@ And note the traditional hlist_for_each_entry_rcu() misses this smp_rmb():: pos && ({ prefetch(pos->next); 1; }) && ({ tpos = hlist_entry(pos, typeof(*tpos), member); 1; }); pos = rcu_dereference(pos->next)) - if (obj->key == key) - return obj; + if (obj->key == key) + return obj; return NULL; Quoting Corey Minyard::