From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:49939) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QbXnV-0002fn-Oe for qemu-devel@nongnu.org; Tue, 28 Jun 2011 08:53:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QbXnR-0004mY-N9 for qemu-devel@nongnu.org; Tue, 28 Jun 2011 08:53:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:40217) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QbXnR-0004mK-68 for qemu-devel@nongnu.org; Tue, 28 Jun 2011 08:53:41 -0400 Message-ID: <4E09CED0.5090101@redhat.com> Date: Tue, 28 Jun 2011 15:53:36 +0300 From: Avi Kivity MIME-Version: 1.0 References: <1309180927-19003-1-git-send-email-avi@redhat.com> <1309180927-19003-2-git-send-email-avi@redhat.com> <20110628100343.GA21866@redhat.com> <4E09ACD2.9070907@siemens.com> <4E09C0B2.3030101@redhat.com> <4E09C3F6.8010702@siemens.com> <4E09C482.6050508@redhat.com> <4E09CD33.70704@siemens.com> In-Reply-To: <4E09CD33.70704@siemens.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC v2 01/20] Hierarchical memory region API List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: "qemu-devel@nongnu.org" , "kvm@vger.kernel.org" , "Michael S. Tsirkin" On 06/28/2011 03:46 PM, Jan Kiszka wrote: > > > Do we want to support a 32-bit variant of pci? It certainly existed at > > some point. > > As long as making everything 64 bit in the implementation of the device > models is not guest visible, I don't think that should be a problem. > How would it become guest visible? AFAICT the only implication is a very minor slowdown in the cases where it is not actually required. -- error compiling committee.c: too many arguments to function