Re: [PATCH 0/2] xen: Allow xen tools to run in guest using 64K page granularity

[Julien Grall <julien.grall@citrix.com>]

Hi,

On 25/06/2015 12:23, Ian Campbell wrote:
> On Thu, 2015-06-25 at 11:21 +0100, Wei Liu wrote:
>> On Mon, May 11, 2015 at 12:55:34PM +0100, Julien Grall wrote:
>>> Hi all,
>>>
>>> This small series are the only changes required in Xen in order to run a guest
>>> using 64K page granularity on top of an unmodified Xen.
>>>
>>> I'd like feedback from maintainers tools to know if it might be worth to
>>> introduce a function xc_pagesize() replicating the behavior of getpagesize()
>>> for Xen.
>>>
>>
>> Can we start with documenting the ABI (?) for communicating between
>> guests with different page sizes?
>
> We should certainly make it clearer what things are in terms of "Xen ABI
> page size" vs "the guest's page size" and other things.

Don't we already say somewhere that the page granularity for the 
hypercall (though I haven't found it).

I can send a follow-up to clarify the page granularity for each PV protocol.

Regards,

-- 
Julien Grall