Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757941AbZGQWKv (ORCPT ); Fri, 17 Jul 2009 18:10:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757912AbZGQWKu (ORCPT ); Fri, 17 Jul 2009 18:10:50 -0400 Received: from mail-gx0-f213.google.com ([209.85.217.213]:44523 "EHLO mail-gx0-f213.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751986AbZGQWKt (ORCPT ); Fri, 17 Jul 2009 18:10:49 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type:content-transfer-encoding; b=ZnxOc9uuIMz4OPDbFZi1mTsgmjjY1wOsb71FLZuxGkdZvAv3OEYLUlQW1RHsRdaAN/ odwVpoPfkVpTYqB2c4L2UU/WjnmHg5dtayf30GOoGykAFzvRooFNXtXy9DKrpzVBvPFs aUnYv2rUbq7K++ZmQZNNPcz0iRiz4hK6ibgYs= MIME-Version: 1.0 In-Reply-To: <20090714165830.GF31657@tpkurt2.suse.de> References: <20090518093352.GC15531@tpkurt2.garloff.de> <20090622140522.GA5378@sgi.com> <20090714165508.GD31657@tpkurt2.suse.de> <20090714165830.GF31657@tpkurt2.suse.de> Date: Fri, 17 Jul 2009 15:10:48 -0700 Message-ID: <86802c440907171510r724a02c6h641529cced061823@mail.gmail.com> Subject: Re: [PATCH 2/3] Resend: x86-64: Handle SRAT v1 and v2 consistently From: Yinghai Lu To: Kurt Garloff , Linux kernel list , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Len Brown , Andrew Morton Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 919 Lines: 27 On Tue, Jul 14, 2009 at 9:58 AM, Kurt Garloff wrote: > Hi, > > In SRAT v1, we had 8bit proximity domain (PXM) fields; SRAT v2 provides > 32bits for these. The new fields were reserved before. > According to the ACPI spec, the OS must disregard reserved fields. > > x86-64 was rather inconsistent prior to this patch; it used 8 bits > for the pxm field in cpu_affinity, but 32 bits in mem_affinity. > This patch makes it consistent: Either use 8 bits consistently (SRAT > rev 1 or lower) or 32 bits (SRAT rev 2 or higher). > > This is patch 2/3. > > Signed-off-by: Kurt Garloff > -- for 1, 2 Acked-by: Yinghai Lu YH -- 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/