Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932687AbVLHWnP (ORCPT ); Thu, 8 Dec 2005 17:43:15 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932685AbVLHWnP (ORCPT ); Thu, 8 Dec 2005 17:43:15 -0500 Received: from [81.2.110.250] ([81.2.110.250]:58827 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S932682AbVLHWnO (ORCPT ); Thu, 8 Dec 2005 17:43:14 -0500 Subject: Re: [RFC] [PATCH 0/3] ioat: DMA engine support From: Alan Cox To: Kumar Gala Cc: Jeff Garzik , Andrew Grover , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, john.ronciak@intel.com, christopher.leech@intel.com In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Thu, 08 Dec 2005 22:42:19 +0000 Message-Id: <1134081739.17102.79.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 580 Lines: 14 On Iau, 2005-12-08 at 16:13 -0600, Kumar Gala wrote: > I'm actually searching for any examples of drivers that deal with the > issues related to DMA'ng directly two and from user space memory. Look at drivers/media/video for several examples. Essentially in 2.6 get_user_pages() gives you page structs and pins the pages you need. - 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/