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Re: [Qemu-devel] [PATCH] Migration compatibility for serial
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH] Migration compatibility for serial |
Date: |
Wed, 17 Jun 2015 09:11:56 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) |
"Michael S. Tsirkin" <address@hidden> writes:
> On Wed, Jun 17, 2015 at 08:52:42AM +0200, Markus Armbruster wrote:
>> "Dr. David Alan Gilbert (git)" <address@hidden> writes:
>>
>> > From: "Dr. David Alan Gilbert" <address@hidden>
>> >
>> > Older QEMUs dont understand the new (sub)sections that
>> > may be generated in the serial device. Limit their generation
>> > to newer machine types.
>>
>> Please explain briefly what state migration can lose with old machine
>> types, and how this could impact the guest. The commits adding the
>> subsections should have the information[*]. Pointers to them might
>> suffice.
>>
>>
>> [*] Should != do; I didn't check.
>
> OTOH if we have flags named after specific portions we skip,
> and not after qemu versions, this becomes evident from code.
The commit message needs to spell things out regardless.
- [Qemu-devel] [PATCH] Migration compatibility for serial, Dr. David Alan Gilbert (git), 2015/06/16
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Paolo Bonzini, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Juan Quintela, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Dr. David Alan Gilbert, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Dr. David Alan Gilbert, 2015/06/17
- Re: [Qemu-devel] [PATCH] Migration compatibility for serial, Michael S. Tsirkin, 2015/06/17