From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: KVM call agenda for Mar 16 Date: Tue, 16 Mar 2010 13:16:13 +0200 Message-ID: <4B9F687D.3000107@redhat.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Juan Quintela , Chris Wright , kvm@vger.kernel.org, qemu-devel@nongnu.org To: "Daniel P. Berrange" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:29864 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S937806Ab0CPLQR (ORCPT ); Tue, 16 Mar 2010 07:16:17 -0400 In-Reply-To: <20100316104537.GH23617@redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: 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