[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] define qemukvm-1.2 machine type
|
From: |
Marcelo Tosatti |
|
Subject: |
Re: [Qemu-devel] [PATCH] define qemukvm-1.2 machine type |
|
Date: |
Fri, 18 Jan 2013 18:09:27 -0200 |
|
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Jan 18, 2013 at 12:34:57PM -0500, Paolo Bonzini wrote:
> > > version_id and minimum_version_id should be changed to 2, as the
> > > comment indicates.
> >
> > But won't that mean we have to carry that patch forever, and while we carry
> > that patch we can never migrate from Fedora qemu to an upstream qemu
> > instance?
> > I'd like to avoid carrying any incompatibility forward, if possible.
>
> To some extent you have to choose between backwards- and forwards-
> compatibility. But I think that you can achieve what you want
> by leaving version_id to 3, while setting minimum_version_id to 2.
>
> Paolo
What about
"Problem is it uses acpi_load_old, when reading from qemu-kvm 1.2 (which
advertises format as V2), which reads 4*16 bits (instead of 16 bits)
for en/sts fields. So it can corrupt incoming migration data."