Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751167AbWAIT25 (ORCPT ); Mon, 9 Jan 2006 14:28:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751176AbWAIT24 (ORCPT ); Mon, 9 Jan 2006 14:28:56 -0500 Received: from amdext4.amd.com ([163.181.251.6]:30860 "EHLO amdext4.amd.com") by vger.kernel.org with ESMTP id S1751167AbWAIT2z convert rfc822-to-8bit (ORCPT ); Mon, 9 Jan 2006 14:28:55 -0500 X-Server-Uuid: 5FC0E2DF-CD44-48CD-883A-0ED95B391E89 X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 Content-class: urn:content-classes:message MIME-Version: 1.0 Subject: RE: [patch 2/2] add x86-64 support for memory hot-add Date: Mon, 9 Jan 2006 11:28:19 -0800 Message-ID: <6F7DA19D05F3CF40B890C7CA2DB13A42030949CF@ssvlexmb2.amd.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: [patch 2/2] add x86-64 support for memory hot-add Thread-Index: AcYVUo1T2TLm6sjOTraSQJ7/PXzP6gAAB+sg From: "Lu, Yinghai" To: "keith" cc: "Andi Kleen" , "Matt Tolentino" , akpm@osdl.org, discuss@x86-64.org, linux-kernel@vger.kernel.org X-OriginalArrivalTime: 09 Jan 2006 19:28:21.0544 (UTC) FILETIME=[D9FDFA80:01C61552] X-WSS-ID: 6FDC66DF0T02750853-01-01 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1138 Lines: 37 I don't know, even yes, according to BKDG, you still need to update related Routing Table in NB. YH -----Original Message----- From: keith [mailto:kmannth@us.ibm.com] Sent: Monday, January 09, 2006 11:25 AM To: Lu, Yinghai Cc: Andi Kleen; Matt Tolentino; akpm@osdl.org; discuss@x86-64.org; linux-kernel@vger.kernel.org Subject: Re: [patch 2/2] add x86-64 support for memory hot-add On Mon, 2006-01-09 at 10:51 -0800, Yinghai Lu wrote: > for Opteron NUMA, need to update > 0. stop the DCT on the node that will plug the new DIMM > 1. read spd_rom for the added dimm > 2. init the ram size and update the memory routing table... > 3. init the timing... > 4. update relate info in TOM and TOM2, and MTRR, and e820 > > It looks like we need to get some code about ram init from LinuxBIOS..... Is the AMD box not going to use the ACPI add-memory mechanism? -- keith - 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/