Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751646AbZIYEwt (ORCPT ); Fri, 25 Sep 2009 00:52:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751280AbZIYEws (ORCPT ); Fri, 25 Sep 2009 00:52:48 -0400 Received: from fgwmail7.fujitsu.co.jp ([192.51.44.37]:55776 "EHLO fgwmail7.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751202AbZIYEwr (ORCPT ); Fri, 25 Sep 2009 00:52:47 -0400 Message-ID: <4ABC4CAB.7090302@np.css.fujitsu.com> Date: Fri, 25 Sep 2009 13:52:59 +0900 From: Jin Dongming User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: LKLM Cc: "Paul E. McKenney " , =?ISO-2022-JP?B?QUtQTRskQiEhGyhC?= , David Howells , Ingo Molnar , Kenji Kaneshige , Hidetoshi Seto Subject: [Patch x86-tip] Clean up the warning message about RCU not defined Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1970 Lines: 55 (This fix is for commit 4765c1db84c73f775eb1822a009117cbae524e9e Titled "rcu-tiny: The Bloatwatch Edition, v6") When the kernel is built, there is some message printed as following: include/linux/rcupdate.h:80:7: \ warning: "CONFIG_TINY_RCU" is not defined So I did "grep _RCU .config" to search the information of "CONFIG_TINY_RCU" in .config file and the result is listed as following: Command: grep _RCU .config Result: CONFIG_TREE_RCU=y # CONFIG_TREE_PREEMPT_RCU is not set # CONFIG_TINY_RCU is not set CONFIG_RCU_TRACE=y CONFIG_RCU_FANOUT=64 # CONFIG_RCU_FANOUT_EXACT is not set CONFIG_TREE_RCU_TRACE=y # CONFIG_RCU_TORTURE_TEST is not set # CONFIG_RCU_CPU_STALL_DETECTOR is not set Though the "WARNING" does not give impact to build kernel, I think it should be cleaned up. And I made the patch for modifying it. With this patch there is not any other warning message of CONFIG_TINY_RCU and the kernel could be built successfully. And I confirmed that the built kernel works well. Signed-off-by: Jin Dongming --- include/linux/rcupdate.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index b2f1e10..fe5c560 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -77,7 +77,7 @@ extern int rcu_scheduler_active; #if defined(CONFIG_TREE_RCU) || defined(CONFIG_TREE_PREEMPT_RCU) #include -#elif CONFIG_TINY_RCU +#elif defined(CONFIG_TINY_RCU) #include #else #error "Unknown RCU implementation specified to kernel configuration" -- 1.6.2.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/