Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757365AbZGPDle (ORCPT ); Wed, 15 Jul 2009 23:41:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757334AbZGPDld (ORCPT ); Wed, 15 Jul 2009 23:41:33 -0400 Received: from gate.crashing.org ([63.228.1.57]:50337 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757331AbZGPDlc (ORCPT ); Wed, 15 Jul 2009 23:41:32 -0400 Subject: Re: [PATCH 04/15] swiotlb: remove unnecessary swiotlb_bus_to_virt From: Benjamin Herrenschmidt To: Becky Bruce Cc: FUJITA Tomonori , linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org, linuxppc-dev@ozlabs.org, tony.luck@intel.com, x86@kernel.org In-Reply-To: <5E909C02-3FA2-4BEB-8C73-F4E4A5A404BF@kernel.crashing.org> References: <1247187904-31999-1-git-send-email-fujita.tomonori@lab.ntt.co.jp> <1247187904-31999-5-git-send-email-fujita.tomonori@lab.ntt.co.jp> <5E909C02-3FA2-4BEB-8C73-F4E4A5A404BF@kernel.crashing.org> Content-Type: text/plain Date: Thu, 16 Jul 2009 13:40:18 +1000 Message-Id: <1247715618.27937.36.camel@pasglop> Mime-Version: 1.0 X-Mailer: Evolution 2.26.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 516 Lines: 17 On Mon, 2009-07-13 at 21:17 -0500, Becky Bruce wrote: > > phys_to_virt (also, virt_to_phys) is invalid for highmem addresses on > ppc. I would be surprised if x86 was any different here. Most of our highmem implementation comes straight from x86 :-) Cheers, Ben. -- 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/