Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753876Ab0GAT2h (ORCPT ); Thu, 1 Jul 2010 15:28:37 -0400 Received: from wolverine02.qualcomm.com ([199.106.114.251]:60701 "EHLO wolverine02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752050Ab0GAT2f (ORCPT ); Thu, 1 Jul 2010 15:28:35 -0400 X-IronPort-AV: E=McAfee;i="5400,1158,6030"; a="46056039" Subject: Re: [RFC 3/3] mm: iommu: The Virtual Contiguous Memory Manager From: Daniel Walker To: Andi Kleen Cc: Randy Dunlap , Zach Pfeffer , mel@csn.ul.ie, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org In-Reply-To: <20100701180241.GA3594@basil.fritz.box> References: <1277877350-2147-1-git-send-email-zpfeffer@codeaurora.org> <1277877350-2147-3-git-send-email-zpfeffer@codeaurora.org> <20100701101746.3810cc3b.randy.dunlap@oracle.com> <20100701180241.GA3594@basil.fritz.box> Content-Type: text/plain; charset="UTF-8" Date: Thu, 01 Jul 2010 12:28:23 -0700 Message-ID: <1278012503.7738.17.camel@c-dwalke-linux.qualcomm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1141 Lines: 28 On Thu, 2010-07-01 at 20:02 +0200, Andi Kleen wrote: > > What license (name/type) is this? > > IANAL, but AFAIK standard wisdom is that "disclaimer in the documentation > and/or other materials provided" is generally not acceptable for Linux > because it's an excessive burden for all distributors. It's the BSD license .. > Also for me it's still quite unclear why we would want this code at all... > It doesn't seem to do anything you couldn't do with the existing interfaces. I don't know all that much about what Zach's done here, but from what he's said so far it looks like this help to manage lots of IOMMUs on a single system.. On x86 it seems like there's not all that many IOMMUs in comparison .. Zach mentioned 10 to 100 IOMMUs .. Daniel -- Sent by a consultant of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum. -- 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/