From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH v3 0/5] kvm: Make ioeventfd usable on s390. Date: Tue, 26 Feb 2013 15:57:55 +0200 Message-ID: <20130226135755.GB12379@redhat.com> References: <1361806070-62465-1-git-send-email-cornelia.huck@de.ibm.com> <20130226110421.GB10915@redhat.com> <20130226111812.GA11111@redhat.com> <512CA6F3.7080203@de.ibm.com> <20130226134156.GA11665@redhat.com> <512CBD36.6080003@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Carsten Otte , KVM , linux-s390 , Heiko Carstens , qemu-devel , Martin Schwidefsky , virtualization@lists.linux-foundation.org To: Christian Borntraeger Return-path: Content-Disposition: inline In-Reply-To: <512CBD36.6080003@de.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org List-Id: kvm.vger.kernel.org On Tue, Feb 26, 2013 at 02:48:38PM +0100, Christian Borntraeger wrote: > On 26/02/13 14:41, Michael S. Tsirkin wrote: > >> So... > >> Acked-by: Christian Borntraeger > > > > So let's apply the patch for 3.9 and > > Give us 1 or 2 days testing for regression and then this can go for 3.9. > The host changes can then be deferred to a later point in time. Nod. > > avoid caring about "old guests" much? > > Well caring about old guests is related to caring about malicious guests. > Maybe we should make it explicit in the spec that the token can be wrong > or omitted. Just to avoid that anybody starts to optimize things too > aggressive. > > Ok? > > Christian Absolutely, we can't trust the guest anyway. It's just an optimization hint, must validate and if it fails do a linear lookup. -- MST