From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:42957) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RIbkY-0002XP-0W for qemu-devel@nongnu.org; Tue, 25 Oct 2011 03:48:42 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1RIbkW-0007XR-S4 for qemu-devel@nongnu.org; Tue, 25 Oct 2011 03:48:41 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38134) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1RIbkV-0007XJ-SD for qemu-devel@nongnu.org; Tue, 25 Oct 2011 03:48:40 -0400 Message-ID: <4EA669D4.40502@redhat.com> Date: Tue, 25 Oct 2011 09:48:36 +0200 From: Avi Kivity MIME-Version: 1.0 References: <04AF4B05-262B-4F83-9028-33AAD4F0B87A@suse.de> In-Reply-To: <04AF4B05-262B-4F83-9028-33AAD4F0B87A@suse.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Executing from a rom device - Re: [PATCH 2/4] pc: Support system flash memory with pflash List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alexander Graf Cc: Jordan Justen , Jordan Justen , qemu-devel@nongnu.org On 10/25/2011 01:12 AM, Alexander Graf wrote: > > > > Would implementing it require the flash based execution to be very > > slow under kvm? > > To be more precise, we need a memory region which is backed by RAM on reads and does MMIO on writes. I remember Avi talking about that a while back, but don't know if he pursued it any further. It was filed under the "patches welcome" category. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.