Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760634AbXEQEQz (ORCPT ); Thu, 17 May 2007 00:16:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755821AbXEQEQr (ORCPT ); Thu, 17 May 2007 00:16:47 -0400 Received: from nz-out-0506.google.com ([64.233.162.225]:2149 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752277AbXEQEQr (ORCPT ); Thu, 17 May 2007 00:16:47 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=rhzqem/fhMWMtkURK/xgJa6iwoikrjTTcz9x53xehFmozGaHm/EHDpswOH6JQnNiGZ0wW88u77hDkaM5K63v13nlQbd6YASdu0LmDNHsK3hBh033xPMqtnb18EjdeCUK5kebTarra4R8FOBiZGFtsS/inIYHSOIPy8mHDySDHwc= Message-ID: <344eb09a0705162116o65804d2atb1998602eab98266@mail.gmail.com> Date: Thu, 17 May 2007 09:46:46 +0530 From: "Bharata B Rao" To: "H. Peter Anvin" Subject: Re: 2.6.22-rc1-mm1 Cc: "Andy Whitcroft" , "Andrew Morton" , linux-kernel@vger.kernel.org, "Steve Fox" , "Mel Gorman" In-Reply-To: <464B2048.7040103@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070515201914.16944e04.akpm@linux-foundation.org> <464ADA5D.8050405@shadowen.org> <464B2048.7040103@zytor.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1643 Lines: 45 On 5/16/07, H. Peter Anvin wrote: > Andy Whitcroft wrote: > > Getting this on both x86 and x86_64 boxes, they are the older boxen so > > likely older compilers: > > Please give the gcc version number. > > > CC arch/x86_64/boot/memory.o > > arch/i386/boot/memory.c: In function `detect_memory': > > arch/i386/boot/memory.c:32: error: can't find a register in class `DREG' > > while reloading `asm' > > > > Seems to come from git-netsetup, but that tree isn't pulled into your > > git version of -mm so I can't be more specific. > > Does the following patch work for you? > > -hpa > > > diff --git a/arch/i386/boot/memory.c b/arch/i386/boot/memory.c > index 8a82aa9..d7b250b 100644 > --- a/arch/i386/boot/memory.c > +++ b/arch/i386/boot/memory.c > @@ -30,7 +30,7 @@ static int detect_memory_e820(void) > size = sizeof(struct e820entry); > id = SMAP; > asm("int $0x15; setc %0" > - : "=dm" (err), "+b" (next), "+d" (id), "+c" (size), > + : "=am" (err), "+b" (next), "+d" (id), "+c" (size), > "=m" (*desc) > : "D" (desc), "a" (0xe820)); Observed same problem with gcc version 3.4.4 20050721 (Red Hat 3.4.4-2) and binutils-2.15.92.0.2-15 and the above patch fixes it. Regards, Bharata. -- "Men come and go but mountains remain" -- Ruskin Bond. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/