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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 74D75C10F14 for ; Thu, 3 Oct 2019 01:28:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B76B222C2 for ; Thu, 3 Oct 2019 01:28:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570066100; bh=nz1DQghQPqNXCQB3B3L2cYGBEjjTUuGQPspayMEPaSA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=oXHLpQmi+KVyWp1OtrgMOKLqWoN2VQcHd8/EVpxKIKgRrZjdYXnFQcnFRhV9b+zVz sA7VxN02CDWSFov2/8tIIT/t9wns+7QIbfmZ3l7i+hK67btTzluOSCqf7Z1q84PS+p DaaINA5ilEAWGCeFUnbirmMTh1A66wPL0JLWTt58= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727426AbfJCB2T (ORCPT ); Wed, 2 Oct 2019 21:28:19 -0400 Received: from mail.kernel.org ([198.145.29.99]:40698 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727348AbfJCB2T (ORCPT ); Wed, 2 Oct 2019 21:28:19 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 67260222C3; Thu, 3 Oct 2019 01:28:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570066098; bh=nz1DQghQPqNXCQB3B3L2cYGBEjjTUuGQPspayMEPaSA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KA5GiAehZMEpssZG97MdBXxyKnqoU5OS82sMxhoMxRBjbxCpoaSy7C2+x+A1xZnVn sysfSJw4Gtjm/V6s8HIjo2vqMQeMk0CPkdaUmjfz4VsMsSohjDEOZ/s0+8yKJE9f6V eRuyoaZz/1bmztteqVpjsKfjcPI5OjSVCNj2YBTM= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E . McKenney" Subject: [PATCH tip/core/rcu 2/9] Revert docs from "treewide: Rename rcu_dereference_raw_notrace() to _check()" Date: Wed, 2 Oct 2019 18:28:08 -0700 Message-Id: <20191003012815.12639-2-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20191003012741.GA12456@paulmck-ThinkPad-P72> References: <20191003012741.GA12456@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Joel Fernandes (Google)" This reverts docs from commit 355e9972da81e803bbb825b76106ae9b358caf8e. Signed-off-by: Paul E. McKenney --- Documentation/RCU/Design/Requirements/Requirements.html | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/RCU/Design/Requirements/Requirements.html b/Documentation/RCU/Design/Requirements/Requirements.html index bdbc84f..5a9238a 100644 --- a/Documentation/RCU/Design/Requirements/Requirements.html +++ b/Documentation/RCU/Design/Requirements/Requirements.html @@ -2512,7 +2512,7 @@ disabled across the entire RCU read-side critical section.

It is possible to use tracing on RCU code, but tracing itself uses RCU. -For this reason, rcu_dereference_raw_check() +For this reason, rcu_dereference_raw_notrace() is provided for use by tracing, which avoids the destructive recursion that could otherwise ensue. This API is also used by virtualization in some architectures, -- 2.9.5