From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932083Ab2LRRjW (ORCPT ); Tue, 18 Dec 2012 12:39:22 -0500 Received: from plane.gmane.org ([80.91.229.3]:54155 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753092Ab2LRRjV (ORCPT ); Tue, 18 Dec 2012 12:39:21 -0500 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Akemi Yagi Subject: Re: [PATCH 3/3] perf tools: Fix a misuse of for_each_set_bit() in session.c Date: Tue, 18 Dec 2012 17:39:06 +0000 (UTC) Message-ID: References: <1346053107-11946-1-git-send-email-feng.tang@intel.com> <1346053107-11946-4-git-send-email-feng.tang@intel.com> <871uisepf8.fsf@sejong.aot.lge.com> <20120827161815.4a1a84c7@feng-i7> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: energy.scripps.edu User-Agent: Pan/0.133 (House of Butterflies) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 27 Aug 2012 16:18:15 +0800, Feng Tang wrote: > It's a compile error: > > cc1: warnings being treated as errors util/session.c: In function > ‘perf_session_deliver_event’: util/include/linux/bitops.h:104: error: > dereferencing pointer ‘p’ does break strict-aliasing rules > util/include/linux/bitops.h:96: error: dereferencing pointer ‘p’ does > break strict-aliasing rules util/session.c:907: note: initialized from > here util/include/linux/bitops.h:96: note: initialized from here make: > *** [util/session.o] Error 1 > make: *** Waiting for unfinished jobs.... > > Casting the @mask to (void *) still sees the same error > > Thanks, > Feng We (ELRepo) are seeing the same error while building kernel 3.7 for RHEL 6.3 on a 32-bit system. The perf package would build fine if we run rpmbuild with the 'i686' target specified on a 64-bit system. http://elrepo.org/bugs/view.php?id=335 Akemi