From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932251AbbFVRCL (ORCPT ); Mon, 22 Jun 2015 13:02:11 -0400 Received: from mail-lb0-f170.google.com ([209.85.217.170]:32915 "EHLO mail-lb0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751604AbbFVRB6 (ORCPT ); Mon, 22 Jun 2015 13:01:58 -0400 MIME-Version: 1.0 In-Reply-To: <20150622104124.62299220@lwn.net> References: <1434849028-26733-1-git-send-email-paul.gortmaker@windriver.com> <20150622104124.62299220@lwn.net> From: Andy Lutomirski Date: Mon, 22 Jun 2015 10:01:36 -0700 Message-ID: Subject: Re: [PATCH] Documentation/vDSO: don't build tests when cross compiling To: Jonathan Corbet Cc: Paul Gortmaker , "linux-kernel@vger.kernel.org" , "linux-doc@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 22, 2015 at 9:41 AM, Jonathan Corbet wrote: > On Sat, 20 Jun 2015 21:10:28 -0400 > Paul Gortmaker wrote: > >> The following was seen in linux-next build coverage, which is somewhat >> unique since it uses powerpc host to cross compile x86: >> >> Documentation/vDSO/vdso_standalone_test_x86.c:49:2: error: impossible >> register constraint in 'asm' >> make[4]: *** [Documentation/vDSO/vdso_standalone_test_x86.o] Error 1 >> >> It probably makes sense to just skip building these tests when >> we are cross compiling. > > So I guess I'm not totally averse to applying these; getting rid of build > errors is a good thing. But I do get the feeling like it's papering over > the real problem. As a general rule, cross-compiling works; what's > special about these programs that makes it fail? Agreed. What gcc version is this? --Andy > > Thanks, > > jon -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/