From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NrUl0-0004R9-F4 for qemu-devel@nongnu.org; Tue, 16 Mar 2010 07:16:18 -0400 Received: from [199.232.76.173] (port=55387 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NrUkz-0004Qo-Qu for qemu-devel@nongnu.org; Tue, 16 Mar 2010 07:16:17 -0400 Received: from Debian-exim by monty-python.gnu.org with spam-scanned (Exim 4.60) (envelope-from ) id 1NrUkz-0007uG-76 for qemu-devel@nongnu.org; Tue, 16 Mar 2010 07:16:17 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28178) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NrUky-0007uC-RW for qemu-devel@nongnu.org; Tue, 16 Mar 2010 07:16:17 -0400 Message-ID: <4B9F687D.3000107@redhat.com> Date: Tue, 16 Mar 2010 13:16:13 +0200 From: Avi Kivity MIME-Version: 1.0 References: <20100316070155.GK3732@x200.localdomain> <20100316092944.GB23617@redhat.com> <4B9F52D4.2030208@redhat.com> <20100316103146.GF23617@redhat.com> <4B9F5F8A.4080105@redhat.com> <20100316104537.GH23617@redhat.com> In-Reply-To: <20100316104537.GH23617@redhat.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: KVM call agenda for Mar 16 List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Daniel P. Berrange" Cc: Chris Wright , qemu-devel@nongnu.org, kvm@vger.kernel.org, Juan Quintela On 03/16/2010 12:45 PM, Daniel P. Berrange wrote: > On Tue, Mar 16, 2010 at 12:38:02PM +0200, Avi Kivity wrote: > >> On 03/16/2010 12:31 PM, Daniel P. Berrange wrote: >> >>>> Polling loops are an indication that something is wrong. >>>> >>>> >>> Except when people suggest they are the right answer, qcow high >>> watermark ;-P >>> >>> >> I liked Anthony's suggestion of an lvm2 block format driver. No polling. >> > Doesn't that require giving QEMU privileges to perform LVM operations which > implies QEMU having CAP_SYS_ADMIN ? > Ouch. I expect fd permissions on the volume are insufficient, and fd permissions on the group are excessive. -- error compiling committee.c: too many arguments to function