From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S936201AbcIRVxi (ORCPT ); Sun, 18 Sep 2016 17:53:38 -0400 Received: from mail.windriver.com ([147.11.1.11]:40896 "EHLO mail.windriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753274AbcIRVx3 (ORCPT ); Sun, 18 Sep 2016 17:53:29 -0400 From: Paul Gortmaker To: CC: Paul Gortmaker , David Howells , Peter Zijlstra Subject: [PATCH] rbtree_augmented: fix implicit rcu assign pointer dependency Date: Sun, 18 Sep 2016 17:52:41 -0400 Message-ID: <20160918215241.23268-1-paul.gortmaker@windriver.com> X-Mailer: git-send-email 2.8.4 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org To fix: In file included from include/linux/interval_tree_generic.h:22:0, from lib/interval_tree.c:2: include/linux/rbtree_augmented.h: In function ‘__rb_change_child_rcu’: include/linux/rbtree_augmented.h:139:4: error: implicit declaration of function ‘rcu_assign_pointer’ [-Werror=implicit-function-declaration] rcu_assign_pointer(parent->rb_left, new); ...which shows up on some -rt builds once the rb_replace_node_rcu was added. Since rcu_assign_pointer is clearly used, just add the header for it to the file in question. Fixes: c1adf20052d80 ("Introduce rb_replace_node_rcu()") Cc: David Howells Cc: Peter Zijlstra (Intel) Signed-off-by: Paul Gortmaker diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h index d076183e49be..36bfb4dd57ae 100644 --- a/include/linux/rbtree_augmented.h +++ b/include/linux/rbtree_augmented.h @@ -26,6 +26,7 @@ #include #include +#include /* * Please note - only struct rb_augment_callbacks and the prototypes for -- 2.5.0