From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753548AbaIYSDi (ORCPT ); Thu, 25 Sep 2014 14:03:38 -0400 Received: from mail-yh0-f50.google.com ([209.85.213.50]:58297 "EHLO mail-yh0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752130AbaIYSDh (ORCPT ); Thu, 25 Sep 2014 14:03:37 -0400 From: Pranith Kumar To: "Paul E. McKenney" , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , linux-kernel@vger.kernel.org (open list:READ-COPY UPDATE...) Subject: [RFC PATCH] rcu: Add sparse check for RCU_INIT_POINTER() Date: Thu, 25 Sep 2014 14:03:34 -0400 Message-Id: <1411668214-19199-1-git-send-email-bobby.prani@gmail.com> X-Mailer: git-send-email 2.1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a sparse check when RCU_INIT_POINTER() is used to assign a non __rcu annotated pointer. Signed-off-by: Pranith Kumar --- include/linux/rcupdate.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index a4a819f..a033d8b 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -1047,6 +1047,7 @@ static inline notrace void rcu_read_unlock_sched_notrace(void) */ #define RCU_INIT_POINTER(p, v) \ do { \ + rcu_dereference_sparse(p, __rcu); \ p = RCU_INITIALIZER(v); \ } while (0) -- 2.1.0