From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with SMTP id B058E6B024D for ; Sat, 10 Jul 2010 10:56:41 -0400 (EDT) Date: Sat, 10 Jul 2010 16:56:39 +0200 From: Joerg Roedel Subject: Re: [RFC 3/3] mm: iommu: The Virtual Contiguous Memory Manager Message-ID: <20100710145639.GC10080@8bytes.org> 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> <1278021944.7738.43.camel@c-dwalke-linux.qualcomm.com> <4C2D965F.5000206@codeaurora.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4C2D965F.5000206@codeaurora.org> Sender: owner-linux-mm@kvack.org To: Zach Pfeffer Cc: Daniel Walker , Andi Kleen , Randy Dunlap , 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 List-ID: On Fri, Jul 02, 2010 at 12:33:51AM -0700, Zach Pfeffer wrote: > Daniel Walker wrote: > > So if we include this code which "map implementations" could you > > collapse into this implementations ? Generally , what currently existing > > code can VCMM help to eliminate? > > In theory, it can eliminate all code the interoperates between IOMMU, > CPU and non-IOMMU based devices and all the mapping code, alignment, > mapping attribute and special block size support that's been > implemented. Thats a very abstract statement. Can you point to particular code files and give a rough sketch how it could be improved using VCMM? Joerg -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org