From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760655AbXFDXbX (ORCPT ); Mon, 4 Jun 2007 19:31:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754106AbXFDXbP (ORCPT ); Mon, 4 Jun 2007 19:31:15 -0400 Received: from mga03.intel.com ([143.182.124.21]:51696 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753494AbXFDXbO (ORCPT ); Mon, 4 Jun 2007 19:31:14 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.16,382,1175497200"; d="scan'208";a="235510355" Date: Mon, 4 Jun 2007 16:27:36 -0700 From: "Keshavamurthy, Anil S" To: Jeff Garzik Cc: Muli Ben-Yehuda , Andi Kleen , Andrew Morton , LKML Subject: Re: [PATCH] stop x86 ->sysdata abuse; introduce pci_sysdata Message-ID: <20070604232736.GA11981@linux-os.sc.intel.com> Reply-To: "Keshavamurthy, Anil S" References: <11798211643534-git-send-email-muli@il.ibm.com> <11798211643659-git-send-email-muli@il.ibm.com> <11798211643144-git-send-email-muli@il.ibm.com> <11798211663773-git-send-email-muli@il.ibm.com> <1179821166685-git-send-email-muli@il.ibm.com> <11798211661041-git-send-email-muli@il.ibm.com> <20070604113344.0e71ca8c.akpm@linux-foundation.org> <20070604190654.GA20299@havoc.gtf.org> <20070604191346.GL4556@rhun.ibm.com> <20070604210551.GH20299@havoc.gtf.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070604210551.GH20299@havoc.gtf.org> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Jun 04, 2007 at 05:05:51PM -0400, Jeff Garzik wrote: > > This patch introduces struct pci_sysdata to x86 and x86-64, and > converts the existing two users (NUMA, Calgary) to use it. > > This eliminates the conflict between NUMA and Calgary using the same > pointer for different uses, and lays the groundwork for adding x86 > PCI domain support. > > Signed-off-by: Jeff Garzik > > --- > > NOTE: This patch is untested, extract from the larger changes found in > jgarzik/misc-2.6.git#pciseg. Hopefully NUMA and/or Calgary users will > test and ack this, then build patches on top of it. Looks like the recently announced Intel-IOMMU too (just like Calgary) depends on sysdata. I will modify my Intel-IOMMU accordingly and will let you know how it goes with your patch. thanks, Anil