From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: linux-next: build failure after merge of the vhost tree Date: Wed, 22 May 2013 08:07:18 +0300 Message-ID: <20130522050718.GA7993@redhat.com> References: <20130522143704.3431658328f8f879f55b0910@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mx1.redhat.com ([209.132.183.28]:4514 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750952Ab3EVFG7 (ORCPT ); Wed, 22 May 2013 01:06:59 -0400 Content-Disposition: inline In-Reply-To: <20130522143704.3431658328f8f879f55b0910@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: To: Stephen Rothwell Cc: linux-next@vger.kernel.org, linux-kernel@vger.kernel.org On Wed, May 22, 2013 at 02:37:04PM +1000, Stephen Rothwell wrote: > Hi Michael, > > After merging the vhost tree, today's linux-next build (powerpc > ppc64_defconfig) failed like this: > > In file included from arch/powerpc/include/asm/uaccess.h:12:0, > from arch/powerpc/lib/checksum_wrappers_64.c:24: > include/asm-generic/uaccess.h: In function 'might_fault': > include/asm-generic/uaccess.h:36:2: error: implicit declaration of function 'segment_eq' [-Werror=implicit-function-declaration] > if (_might_fault()) > ^ > include/asm-generic/uaccess.h:36:2: error: implicit declaration of function 'get_fs' [-Werror=implicit-function-declaration] > include/asm-generic/uaccess.h:29:47: error: 'KERNEL_DS' undeclared (first use in this function) > #define _might_fault() (!segment_eq(get_fs(), KERNEL_DS) && !in_atomic()) > ^ > include/asm-generic/uaccess.h:36:6: note: in expansion of macro '_might_fault' > if (_might_fault()) > ^ > > and many, many more. > > Caused by commit d198a8acf543 ("kernel: might_fault does not imply > might_sleep"). > > I have used the version of the vhost tree from next-20130521 for today. > > It was unexpected that such patches would turn up in the "vhost" tree ... > > -- > Cheers, > Stephen Rothwell sfr@canb.auug.org.au Looks like I pushed a wrong commit. Sorry, will fix this up ASAP.