From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Mq6L3-0005uP-OE for qemu-devel@nongnu.org; Tue, 22 Sep 2009 10:27:29 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Mq6Kz-0005tK-Rr for qemu-devel@nongnu.org; Tue, 22 Sep 2009 10:27:29 -0400 Received: from [199.232.76.173] (port=48842 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Mq6Kz-0005tA-N3 for qemu-devel@nongnu.org; Tue, 22 Sep 2009 10:27:25 -0400 Received: from mx1.redhat.com ([209.132.183.28]:4738) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Mq6Kz-0006L0-7I for qemu-devel@nongnu.org; Tue, 22 Sep 2009 10:27:25 -0400 Message-ID: <4AB8DECA.3090908@redhat.com> Date: Tue, 22 Sep 2009 17:27:22 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [Qemu-devel] Re: [PATCH] qemu: make virtio-blk PCI compliant by default References: <20090907181436.GA8538@redhat.com> <4AA60A58.4090703@redhat.com> <20090908075831.GA9875@redhat.com> <200909212039.01126.rusty@rustcorp.com.au> <4AB7A01A.3000206@redhat.com> <4AB8992B.7070709@redhat.com> <4AB8DD53.7070806@redhat.com> In-Reply-To: <4AB8DD53.7070806@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: john cooper Cc: Rusty Russell , "Michael S. Tsirkin" , qemu-devel@nongnu.org, jens.axboe@oracle.com On 09/22/2009 05:21 PM, john cooper wrote: >> Can we just read this page as a virtqueue command instead of having it >> mapped permanently? >> > Probably although I hadn't looked specifically > at doing so. Mapping the data via an unused > pci bar is pretty trivial and seemed minimally > intrusive to the existing driver. > We'll run out of bars if we expend them like that. -- error compiling committee.c: too many arguments to function