Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756806AbYFZKew (ORCPT ); Thu, 26 Jun 2008 06:34:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753389AbYFZKeo (ORCPT ); Thu, 26 Jun 2008 06:34:44 -0400 Received: from casper.infradead.org ([85.118.1.10]:42848 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752800AbYFZKen (ORCPT ); Thu, 26 Jun 2008 06:34:43 -0400 Date: Thu, 26 Jun 2008 03:34:30 -0700 From: Arjan van de Ven To: Keith Packard Cc: keithp@keithp.com, Dave Airlie , Jeremy Fitzhardinge , Dave Airlie , linux-kernel Subject: Re: kmap_atomic_pfn for PCI BAR access? Message-ID: <20080626033430.5b8b711d@infradead.org> In-Reply-To: <1214458589.1044.45.camel@koto.keithp.com> References: <1214242487.11887.35.camel@koto.keithp.com> <4862EE4C.4060009@goop.org> <21d7e9970806251823q3405e192q13d4944bd0cc3291@mail.gmail.com> <20080625213603.0e82805b@infradead.org> <1214458589.1044.45.camel@koto.keithp.com> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 712 Lines: 24 On Wed, 25 Jun 2008 22:36:29 -0700 Keith Packard wrote: > On Wed, 2008-06-25 at 21:36 -0700, Arjan van de Ven wrote: > > > well kmap does a tlb flush as well... > > kmap_atomic that needs to, and does, a flush as well. granted, a per cpu flush, but it's a flush neverthelesss > -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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/