Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932108AbVJQSVf (ORCPT ); Mon, 17 Oct 2005 14:21:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932139AbVJQSVf (ORCPT ); Mon, 17 Oct 2005 14:21:35 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:27108 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S932108AbVJQSVf (ORCPT ); Mon, 17 Oct 2005 14:21:35 -0400 Date: Mon, 17 Oct 2005 11:20:23 -0700 (PDT) From: Christoph Lameter To: alex.williamson@hp.com cc: Ravikiran G Thirumalai , Andi Kleen , Linus Torvalds , Andrew Morton , linux-kernel@vger.kernel.org, discuss@x86-64.org, tglx@linutronix.de, shai@scalex86.org, linville@tuxdriver.com Subject: Re: x86_64: 2.6.14-rc4 swiotlb broken In-Reply-To: <20051017175231.GA4959@localhost.localdomain> Message-ID: References: <20051017093654.GA7652@localhost.localdomain> <200510171153.56063.ak@suse.de> <200510171740.57614.ak@suse.de> <20051017175231.GA4959@localhost.localdomain> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1275 Lines: 36 On Mon, 17 Oct 2005, Ravikiran G Thirumalai wrote: > Maybe someone with access to ia64 NUMA boxen can check if the NODE(0) > solution works (and does not break anything) on ia64? Chrisoph, can you help? Umm... SGI does not use the swiotlb and we do not have these issues. HP does use the swiotlb on IA64. CCing John and Alex. For the newcomers: Thread is at http://marc.theaimsgroup.com/?t=112954203900001&r=1&w=2 Proposed patch by Kiran: Index: linux-2.6.14-rc4/arch/ia64/lib/swiotlb.c =================================================================== --- linux-2.6.14-rc4.orig/arch/ia64/lib/swiotlb.c 2005-10-14 00:06:21.000000000 -0700 +++ linux-2.6.14-rc4/arch/ia64/lib/swiotlb.c 2005-10-17 00:05:22.000000000 -0700 @@ -123,7 +123,7 @@ /* * Get IO TLB memory from the low pages */ - io_tlb_start = alloc_bootmem_low_pages(io_tlb_nslabs * + io_tlb_start = alloc_bootmem_node(NODE_DATA(0), io_tlb_nslabs * (1 << IO_TLB_SHIFT)); if (!io_tlb_start) panic("Cannot allocate SWIOTLB buffer"); - 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/