From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:50396) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SsDQR-0005hB-9t for qemu-devel@nongnu.org; Fri, 20 Jul 2012 09:39:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SsDQQ-0007hA-BH for qemu-devel@nongnu.org; Fri, 20 Jul 2012 09:39:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:13774) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SsDQQ-0007h6-37 for qemu-devel@nongnu.org; Fri, 20 Jul 2012 09:39:22 -0400 Message-ID: <50095F85.3050803@redhat.com> Date: Fri, 20 Jul 2012 15:39:17 +0200 From: Gerd Hoffmann MIME-Version: 1.0 References: <1342714503-6673-1-git-send-email-kraxel@redhat.com> <1342714503-6673-3-git-send-email-kraxel@redhat.com> <20120720005534.GC24578@morn.localdomain> <500909B1.2060505@redhat.com> <20120720124716.GA13740@morn.localdomain> In-Reply-To: <20120720124716.GA13740@morn.localdomain> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [SeaBIOS] [PATCH 2/2] lsi53c895a boot support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin O'Connor Cc: seabios@seabios.org, qemu-devel@nongnu.org On 07/20/12 14:47, Kevin O'Connor wrote: > On Fri, Jul 20, 2012 at 09:33:05AM +0200, Gerd Hoffmann wrote: >> My concern isn't DMA'ing to the stack, but the size of the script and >> possible stack overruns. But maybe it is a moot point with the stack >> switching added to seabios recently. > > Disk access code will have at least a 4K stack in 32bit mode and a 2K > stack in 16bit mode. Ok, then, that should be enougth. thanks, Gerd