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Re: [Qemu-devel] [PATCH 2/4] pc/q35: drop compatiility with old bios typ
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From: |
Eduardo Habkost |
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Subject: |
Re: [Qemu-devel] [PATCH 2/4] pc/q35: drop compatiility with old bios types |
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Date: |
Mon, 15 Feb 2016 13:20:50 -0200 |
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User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Mon, Feb 15, 2016 at 01:30:49PM +0200, Michael S. Tsirkin wrote:
> On Mon, Feb 15, 2016 at 11:58:24AM +0100, Gerd Hoffmann wrote:
> > On So, 2016-02-07 at 12:29 +0200, Michael S. Tsirkin wrote:
> > > We don't ship bios without support for loading ACPI anymore, and old q35
> > > machine types don't allow migrating such bios. Drop it, as well as
> > > has_*mr flags that are there for migration compatibility.
> >
> > Wouldn't that break migration between 2.5 and 2.6 with -M q35-1.6 ?
>
> I think I said this somewhere but I'll repeat it here: I think we should
> just mark the old machine types non migrateable.
If you are making changes that break migration, I believe you
need to mark the machines as non-migratable before making those
changes.
...or we could stop wasting time changing those old machines and
remove them.
--
Eduardo