Re: [Xen-devel] [PATCH v2] libxl: add stdvga video memory setting with upstream qemu

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.05.14 at 13:52, <Ian.Jackson@xxxxxxxxxxxxx> wrote:
> Jan Beulich writes ("Re: [PATCH v2] libxl: add stdvga video memory setting 
> with upstream qemu"):
>> On 19.05.14 at 13:41, <Ian.Jackson@xxxxxxxxxxxxx> wrote:
>> > So I would be inclined not to backport this one.  I've added Jan, the
>> > hypervisor-side stable tree maintainer, in case he has a different
>> > view.
>> 
>> Help me understand the implications on the guest that this
>> changed (corrected) interpretation of the config file would have:
>> Would the guest see differing resources between reboots?
> 
> Yes.  Also it might be that the configuration file has a wrong value
> which was previously ignored but now causes something to fail.
> 
>> Would such differences also surface post-migration (which would
>> pretty clearly make this a no-go for a backport)?
> 
> Yes, with the current state of affairs, it would indeed see
> differences across migration.

In which case I agree that this would better not be backported.

Jan


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