Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757012Ab1E0WUN (ORCPT ); Fri, 27 May 2011 18:20:13 -0400 Received: from hyde.gogi.tv ([87.106.161.174]:50077 "EHLO hyde.gogi.tv" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754478Ab1E0WUL (ORCPT ); Fri, 27 May 2011 18:20:11 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Date: Fri, 27 May 2011 23:20:09 +0100 From: Daniel Haid To: Konrad Rzeszutek Wilk Cc: Andi Kleen , Subject: Re: Question about iommu on =?UTF-8?Q?x=38=36=5F=36=34=20and=20ra?= =?UTF-8?Q?deon=20driver=2E?= In-Reply-To: <20110527155507.GB11273@dumpdata.com> References: <6ac3f6faad655602b767aa14b355e982@admin.gogi.tv> <20110523220536.GB11961@dumpdata.com> <756073831c36e0404199a4e8239bcb70@admin.gogi.tv> <08370791664f069624d25c757ed101c0@admin.gogi.tv> <20110525125752.GB3467@dumpdata.com> <20110527155507.GB11273@dumpdata.com> Message-ID: <9e26ea71798d10a3f900c777b71ff485@admin.gogi.tv> User-Agent: Roundcube Webmail/0.4.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 696 Lines: 21 > The DRM code is not used anymore. It was used by XFree86 but nowadays > the TTM code is used instead. I see > Ah, this would be a lengthy writeup.. so did you look at the > link I pointed you to? Yes I have started, but do not understand everything yet. What are MFNs? Is this something Xen-specific? An does your post imply that on bare metal with "swiotlb=force iommu=soft" alloc_page with GFP_DMA32 does also not allocate under 4GB? -- 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/