From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1GlrvC-00082C-Hx for qemu-devel@nongnu.org; Sun, 19 Nov 2006 14:01:42 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1GlrvA-000812-ML for qemu-devel@nongnu.org; Sun, 19 Nov 2006 14:01:41 -0500 Received: from [199.232.76.173] (helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1GlrvA-00080v-Go for qemu-devel@nongnu.org; Sun, 19 Nov 2006 14:01:40 -0500 Received: from [64.78.21.128] (helo=mis011-1.exch011.intermedia.net) by monty-python.gnu.org with esmtp (Exim 4.52) id 1Glrv9-0000Js-R1 for qemu-devel@nongnu.org; Sun, 19 Nov 2006 14:01:40 -0500 Message-ID: <4560AA0B.8040606@qumranet.com> Date: Sun, 19 Nov 2006 21:01:31 +0200 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [Qemu-devel] [PATCH] Experimental initial patch providing accelerated OpenGL for Linux i386 (2nd attempt to post) References: <200611162134.48783.even.rouault@mines-paris.org> <455CE92F.2000100@bellard.org> <200611181359.25068.even.rouault@mines-paris.org> In-Reply-To: <200611181359.25068.even.rouault@mines-paris.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Even Rouault wrote: > Apart from portability to other architectures, what would be the other > advantages of a solution based on a PCI device ? > I can think of a two advantages: - the device can deliver interrupts to the guest when something is completed (I don't know how useful this is to a 3D device) - the guest can autodetect the presence of the device by means of a PCI ID. This means that if the guest driver is eventually included in the OS (which is possible in Linux), then the driver will be loaded automatically by the OS. -- Do not meddle in the internals of kernels, for they are subtle and quick to panic.