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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,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 C2020C43381 for ; Thu, 21 Mar 2019 00:35:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9184B20835 for ; Thu, 21 Mar 2019 00:35:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="IMN3oviF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727835AbfCUAfB (ORCPT ); Wed, 20 Mar 2019 20:35:01 -0400 Received: from mail-qk1-f196.google.com ([209.85.222.196]:32866 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727776AbfCUAez (ORCPT ); Wed, 20 Mar 2019 20:34:55 -0400 Received: by mail-qk1-f196.google.com with SMTP id k189so10096287qkc.0 for ; Wed, 20 Mar 2019 17:34:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IC0+CtzpXGHhz69/AjInC3kSHyrQxff0OCscI7M8m1k=; b=IMN3oviFXuoURkXevt9lKXvEeYfyhNQHi8wgNDFVtGKzqa5oayf5HKfpSpy8fvePCp zkkJfKAaIwPVxZWnksglQ9TK2M1aupaojK0EVDMcB/GbvNOvxQHv6qI1fBp96JRFIyQL IPSkPNdEZHfdqWmLrAResI2wRxRPGHwZa9sZE= 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=IC0+CtzpXGHhz69/AjInC3kSHyrQxff0OCscI7M8m1k=; b=dL3DKQvmrpwj97IomaL7ZbHzRMRKkBXD4+nfTcZO22PuQBMX6SXbB/OC1Ib8MHEW0C eqx5ScjRgAAd6b3L/7VChrHRsyW5JxmRv+vIFRrcoQGxNFJg8o79xDWpnfNj1raSCf7V 4YDYYcXFLNhXs1jwEgfrptvq8/2oQ9kqiMReMP//4xBihLNaQiPo5bHGaHIrSfJlGGPe QXdYW+l0fUiT/DoKXcO8/9HiMx6tUOLPbN96FUxryE03xoSaBntnL30oqCC18FU4a8fQ V+yiRXDbPph6i30bAdZo6VAV2DmnBAAfhzHMOiyIljzA+R5l+0CL0aG5SPIoohN+/JxZ /4gQ== X-Gm-Message-State: APjAAAWEuJT/KLk2m3fUsCvW9nTnf6B++0VLiC6R0hFl9VGntyNsdw/o rZD4QYLNaJgvPLxVKSLtGT9b2Uc2Okg= X-Google-Smtp-Source: APXvYqzW1ItlokDxvifd5fwoA/cXTdAYbCDJNxmjIBAACop7r9u618kPeesEna9EnhvcgqKDOdYwxQ== X-Received: by 2002:a37:784:: with SMTP id 126mr471424qkh.10.1553128494280; Wed, 20 Mar 2019 17:34:54 -0700 (PDT) Received: from joelaf.cam.corp.google.com ([2620:0:1004:1100:cca9:fccc:8667:9bdc]) by smtp.gmail.com with ESMTPSA id u15sm2908475qth.54.2019.03.20.17.34.52 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Mar 2019 17:34:53 -0700 (PDT) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , "Paul E . McKenney" , Ingo Molnar , Josh Triplett , keescook@chromium.org, kernel-hardening@lists.openwall.com, kernel-team@android.com, Lai Jiangshan , Luc Van Oostenryck , Mathieu Desnoyers , Morten Rasmussen , Peter Zijlstra , rcu@vger.kernel.org, Steven Rostedt Subject: [PATCH v2 3/4] rcuwait: Annotate task_struct with __rcu Date: Wed, 20 Mar 2019 20:34:25 -0400 Message-Id: <20190321003426.160260-4-joel@joelfernandes.org> X-Mailer: git-send-email 2.21.0.225.g810b269d1ac-goog In-Reply-To: <20190321003426.160260-1-joel@joelfernandes.org> References: <20190321003426.160260-1-joel@joelfernandes.org> 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 This suppresses sparse error generated due to the recently added rcu_assign_pointer sparse check. percpu-rwsem.c:162:9: sparse: error: incompatible types in comparison expression exit.c:316:16: sparse: error: incompatible types in comparison expression [From an RCU perspective] Reviewed-by: Paul E. McKenney Signed-off-by: Joel Fernandes (Google) --- include/linux/rcuwait.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/rcuwait.h b/include/linux/rcuwait.h index 90bfa3279a01..563290fc194f 100644 --- a/include/linux/rcuwait.h +++ b/include/linux/rcuwait.h @@ -18,7 +18,7 @@ * awoken. */ struct rcuwait { - struct task_struct *task; + struct task_struct __rcu *task; }; #define __RCUWAIT_INITIALIZER(name) \ -- 2.21.0.225.g810b269d1ac-goog