From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Boyer Subject: Re: linux-next: upstream tree build failure Date: Thu, 23 Apr 2009 06:33:36 -0400 Message-ID: <20090423103336.GA3825@zod.rchland.ibm.com> References: <20090423160656.fac84e3f.sfr@canb.auug.org.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from e39.co.us.ibm.com ([32.97.110.160]:45476 "EHLO e39.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757044AbZDWKel (ORCPT ); Thu, 23 Apr 2009 06:34:41 -0400 Content-Disposition: inline In-Reply-To: <20090423160656.fac84e3f.sfr@canb.auug.org.au> Sender: linux-next-owner@vger.kernel.org List-ID: To: Stephen Rothwell Cc: Benjamin Herrenschmidt , Paul Mackerras , linuxppc-dev@ozlabs.org, linux-next@vger.kernel.org, LKML On Thu, Apr 23, 2009 at 04:06:56PM +1000, Stephen Rothwell wrote: >Hi all, > >[I am now using gcc version 4.4.0 ...] > >Today's linux-next build (powerpc ppc44x_defconfig) failed like this: > >arch/powerpc/mm/tlb_nohash_low.S:206:6: error: #elif with no expression > >Previous gcc versions didn't notice this because one of the preceding >#ifs always evaluated to true. I have applied the following patch for today. > >-- >Cheers, >Stephen Rothwell sfr@canb.auug.org.au >http://www.canb.auug.org.au/~sfr/ > >From: Stephen Rothwell >Date: Thu, 23 Apr 2009 16:00:47 +1000 >Subject: [PATCH] powerpc: fix for long standing bug noticed by gcc 4.4.0 > >Previous gcc versions didn't notice this because one of the preceding > >gcc 4.4.0 produced this error: > >arch/powerpc/mm/tlb_nohash_low.S:206:6: error: #elif with no expression > >Signed-off-by: Stephen Rothwell Your changelog got truncated in the first sentence. No big deal. I have a gcc 4.4.0 system as well. I'll try a bunch of various builds to see if it catches anything else. This fix looks good to me in the meantime. Acked-by: Josh Boyer josh >--- > arch/powerpc/mm/tlb_nohash_low.S | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-) > >diff --git a/arch/powerpc/mm/tlb_nohash_low.S b/arch/powerpc/mm/tlb_nohash_low.S >index 45fed36..21e1b9a 100644 >--- a/arch/powerpc/mm/tlb_nohash_low.S >+++ b/arch/powerpc/mm/tlb_nohash_low.S >@@ -203,6 +203,6 @@ ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX) > isync > 1: wrtee r10 > blr >-#elif >+#else > #error Unsupported processor type ! > #endif