From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Re: [PATCH v2 4/9] provide in-kernel apic Date: Sun, 11 Oct 2009 11:10:42 +0200 Message-ID: <4AD1A112.4070303@redhat.com> References: <1254953315-5761-1-git-send-email-glommer@redhat.com> <1254953315-5761-2-git-send-email-glommer@redhat.com> <1254953315-5761-3-git-send-email-glommer@redhat.com> <1254953315-5761-4-git-send-email-glommer@redhat.com> <1254953315-5761-5-git-send-email-glommer@redhat.com> <4ACDEF42.6020706@us.ibm.com> <4ACDF297.9010303@redhat.com> <20091008142202.GR8092@mothafucka.localdomain> <20091009100641.GC6576@shareable.org> <20091009143031.GU8092@mothafucka.localdomain> <20091009164831.GB7393@shareable.org> <4ACF93D5.3010002@us.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Glauber Costa , qemu-devel@nongnu.org, kvm-devel To: Anthony Liguori Return-path: In-Reply-To: <4ACF93D5.3010002@us.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On 10/09/2009 09:49 PM, Anthony Liguori wrote: >> If I've just been sent an image produced by someone running KVM, and >> my machine is not KVM-capable, or I cannot upgrade the KVM kernel >> module because it's in use by other VMs (had this problem a few >> times), there's no choice but to change the irqchipness. > > > You cannot migrate from KVM to TCG so this use-case is irrelevant. I agree it's mostly irrelevant, however nothing in principle prevents such a migration, as long as the cpuid feature bits are implemented on both sides. -- error compiling committee.c: too many arguments to function