Re: [libvirt] [PATCH 4/4] qemu: Fix CPU model broken by older libvirt

On Wed, Oct 11, 2017 at 12:11:17PM +0200, Jiri Denemark wrote: > When libvirt older than 3.9.0 reconnected to a running domain started by > old libvirt it could have messed up the expansion of host-model by > adding features QEMU does not support (such as cmt). Thus whenever we > reconnect to a running domain, revert to an active snapshot, or restore > a saved domain we need to check the guest CPU model and remove the > CPU features unknown to QEMU. We can do this because we know the domain > was successfully started, which means the CPU did not contain the > features when libvirt started the domain. > > https://bugzilla.redhat.com/show_bug.cgi?id=1495171 > > Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; > --- > src/qemu/qemu_domain.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++ > src/qemu/qemu_domain.h | 4 +++ > src/qemu/qemu_driver.c | 14 +++++++++ > src/qemu/qemu_process.c | 9 ++++++ > 4 files changed, 103 insertions(+) Reviewed-by: Pavel Hrdina <phrdina(a)redhat.com&gt;