Re: [Xen-devel] 32-on-64: pvfb issue

[Markus Armbruster <armbru@xxxxxxxxxx>]

Gerd Hoffmann <kraxel@xxxxxxx> writes:

> Markus Armbruster wrote:
>> Gerd Hoffmann <kraxel@xxxxxxx> writes:
>> 
>> [...]
>>> Here is a one-line fix to make the pvfb frontend clear the shared page.
>>>  Can this go into both 3.0.4 and unstable please?
>> 
>> No objections to clearing the shared page, just keep in mind that any
>> scheme to guess the page layout that relies on the page being cleared
>> is playing a dicey game with 3.0.3 frontends.
>
> 3.0.3?  Wasn't pvfb merged in the 3.0.4 cycle?  Or do you talk about
> what FC6 ships?

Sorry, I meant 3.0.4.

> As the 3.0.4 frontends use hard-coded 800x600-32 which needs one page
> directory only I think it is possible to keep them apart even in case
> they don't carry the protocol info ...

Okay.

If that turns out not to work, consider turning depth into your
version number, starting with version 32.  Evil, ugly, but no guessing
games.  New frontends won't work with old backends, but that's okay.

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