[Qemu-devel] Re: [PATCH v3] qemu: kvm: Enable XSAVE live migration support

[Marcelo Tosatti]

On Wed, Jun 16, 2010 at 05:48:46PM +0200, Jan Kiszka wrote:
> Marcelo Tosatti wrote:
> > On Fri, Jun 11, 2010 at 12:36:49PM +0800, Sheng Yang wrote:
> >> Signed-off-by: Sheng Yang <address@hidden>
> >> ---
> >>  qemu-kvm-x86.c        |  109 
> >> ++++++++++++++++++++++++++++++++++++++++---------
> >>  qemu-kvm.c            |   24 +++++++++++
> >>  qemu-kvm.h            |   28 +++++++++++++
> >>  target-i386/cpu.h     |    5 ++
> >>  target-i386/kvm.c     |    2 +
> >>  target-i386/machine.c |   20 +++++++++
> >>  6 files changed, 169 insertions(+), 19 deletions(-)
> > 
> > Applied, thanks.
> 
> Oops, late remark: Why introducing this feature against qemu-kvm instead
> of upstream? Doesn't this just generate additional conversion work and
> the risk of divergence to upstream in the migration protocol?

Thats true. Sheng, can you add save/restore support to uq/master to
avoid these problems?

Then the cpuid bits can be also merged upstream.