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Re: [Qemu-devel] [PATCH 2/4] pc/q35: drop compatiility with old bios typ
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From: |
Gerd Hoffmann |
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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 11:58:24 +0100 |
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 ?
It's also a guest-visible change as acpi tables change ...
I'm all for cleaning up this old cruft, but I think it would be cleaner
to just drop the old (pre-migration support) q35 machine types instead
of changing them in subtle ways ...
cheers,
Gerd