Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754687AbaBFDJw (ORCPT ); Wed, 5 Feb 2014 22:09:52 -0500 Received: from g5t0009.atlanta.hp.com ([15.192.0.46]:16304 "EHLO g5t0009.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754476AbaBFDJk (ORCPT ); Wed, 5 Feb 2014 22:09:40 -0500 Message-ID: <52F2FCD9.3010402@hp.com> Date: Wed, 05 Feb 2014 22:09:13 -0500 From: Waiman Long User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.12) Gecko/20130109 Thunderbird/10.0.12 MIME-Version: 1.0 To: Raghavendra K T CC: Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" , Arnd Bergmann , linux-arch@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra , Steven Rostedt , Andrew Morton , Michel Lespinasse , Andi Kleen , Rik van Riel , "Paul E. McKenney" , Linus Torvalds , George Spelvin , Tim Chen , Daniel J Blueman , Alexander Fyodorov , Aswin Chandramouleeswaran , Scott J Norton , Thavatchai Makphaibulchoke Subject: Re: [PATCH v3 0/2] qspinlock: Introducing a 4-byte queue spinlock References: <1390933151-1797-1-git-send-email-Waiman.Long@hp.com> <52EA139C.8040106@linux.vnet.ibm.com> <52EA71F8.7070308@hp.com> <52EA9ECA.5040400@linux.vnet.ibm.com> <52EF588B.4050904@linux.vnet.ibm.com> In-Reply-To: <52EF588B.4050904@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02/03/2014 03:51 AM, Raghavendra K T wrote: > On 01/31/2014 12:19 AM, Raghavendra K T wrote: >> On 01/30/2014 09:08 PM, Waiman Long wrote: >>> On 01/30/2014 03:55 AM, Raghavendra K T wrote: >>>> On 01/28/2014 11:49 PM, Waiman Long wrote: >> [...] >> from kernel/bounds.c:9: >>>> include/linux/log2.h: In function ‘__ilog2_u32’: >>>> include/linux/log2.h:34:2: error: implicit declaration of function >>>> ‘fls’ [-Werror=implicit-function-declaration] >>>> include/linux/log2.h: In function ‘__ilog2_u64’: >>>> include/linux/log2.h:42:2: error: implicit declaration of function >>>> ‘fls64’ [-Werror=implicit-function-declaration] >>>> include/linux/log2.h: In function ‘__roundup_pow_of_two’: >>>> . >>>> . >>>> [trimmed] >>>> >>> >>> The code will need to be compiled in either the latest linux tree as >>> the >>> patches have dependency on some new memory barrier that are in 3.14. >>> Alternatively, you can compile with the latest tip tree. >>> >>> If you have already done that, please send me your config file so >>> that I >>> can reproduce the compilation error in my build environment. >>> >> >> I did compile on latest linux tree which had barrier.txt. May be I 'll >> recheck if I am missing something obvious. >> >> Here is .config attached > > An Update: > The reason for failure was that I was compiling for guest. and > CONFIG_PARAVIRT was enabled. > > > Thank for the information. I will update my patch to correct that problem. -Longman -- 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/