From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: linux-next: build failure in i386 since next-20100104 Date: Mon, 22 Feb 2010 18:18:59 -0800 Message-ID: <4B833B13.7060109@kernel.org> References: <20100222220340.4b0a19fb.sfr@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from terminus.zytor.com ([198.137.202.10]:44475 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752470Ab0BWCTM (ORCPT ); Mon, 22 Feb 2010 21:19:12 -0500 In-Reply-To: <20100222220340.4b0a19fb.sfr@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: To: Stephen Rothwell Cc: LKML , linux-next@vger.kernel.org, x86@kernel.org On 02/22/2010 03:03 AM, Stephen Rothwell wrote: > Hi, > > The i386 allmodconfig builds of linux-next have been failing since > next-20100204 like this: > > In file included from arch/x86/include/asm/uaccess.h:571, > from include/linux/uaccess.h:5, > from include/linux/highmem.h:6, > from include/linux/pagemap.h:10, > from include/linux/mempolicy.h:62, > from include/linux/migrate.h:5, > from mm/migrate.c:15: > In function 'copy_from_user', > inlined from 'do_pages_stat' at mm/migrate.c:1009: > arch/x86/include/asm/uaccess_32.h:212: error: call to 'copy_from_user_overflow' declared with attribute error: copy_from_user() buffer size is not provably correct > > [Today's linux-next is the same except for the one line starting > "inlined" which is now: > inlined from 'do_pages_stat' at mm/migrate.c:1012: > ] > > I use gcc 4.4.3 for those compiles. (See > http://kisskb.ellerman.id.au/kisskb/buildresult/2118967/ for full logs.) > > There doesn't seem to be any relevant change in the config from Feb 3 to > 4: > > +CONFIG_I2C_XILINX=m > +CONFIG_RADIO_SAA7706H=m > > and nothing else jumps out. The i386 defconfig and allnoconfig builds do > not fail. Already fixed in upstream, checkin 87b8d1adefa1548b591cbf0d63965987e2cf893d. -hpa