Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261914AbUEABsK (ORCPT ); Fri, 30 Apr 2004 21:48:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261915AbUEABsK (ORCPT ); Fri, 30 Apr 2004 21:48:10 -0400 Received: from ns.suse.de ([195.135.220.2]:7914 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S261914AbUEABsI (ORCPT ); Fri, 30 Apr 2004 21:48:08 -0400 Date: Sat, 1 May 2004 03:48:07 +0200 From: Andi Kleen To: Andrew Morton Cc: Mikael Pettersson , ak@suse.de, linux-kernel@vger.kernel.org Subject: Re: [BUG] 2.6.6-rc2-bk5 mm/slab.c change broke x86-64 SMP Message-ID: <20040501014807.GC14663@wotan.suse.de> References: <200404301611.i3UGBkdK026345@harpo.it.uu.se> <20040430112704.3dca3c4c.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040430112704.3dca3c4c.akpm@osdl.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 767 Lines: 20 > Does this fix? > > diff -puN include/asm-x86_64/processor.h~a include/asm-x86_64/processor.h > --- 25/include/asm-x86_64/processor.h~a Fri Apr 30 11:24:58 2004 > +++ 25-akpm/include/asm-x86_64/processor.h Fri Apr 30 11:25:28 2004 > @@ -20,6 +20,8 @@ > #include > #include > > +#define ARCH_MIN_TASKALIGN L1_CACHE_BYTES 16 should be enough actually. The problem is the FXSAVE instruction that is used to switch the FPU state, and that only requires 16 byte alignment. -Andi - 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/