Re: [Xen-devel] [PATCH v4 08/16] xen/mm: Drop the parameter mfn from populate_pt_range

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 05.03.18 at 15:11, <julien.grall@xxxxxxx> wrote:
> On 05/03/18 14:00, Jan Beulich wrote:
>>>>> On 05.03.18 at 14:43, <julien.grall@xxxxxxx> wrote:
>>> Anyway, I don't have much knowledge on the x86 to make the modification
>>> that you suggested. So I am going to revert to _mfn(0) for x86.
>> 
>> I'd prefer if you didn't, but well, it'll be one of us to clean it up
>> then.
> I can keep as INVALID_MFN. But then either you or Andrew (or anyone x86 
> folks) would have to provide the patch to skip incrementing invalid MFN 
> (if I understood correctly your request).

Sigh - this should go together imo. While wrongly incrementing from
zero was bad, wrongly wrapping from INVALID_MFN makes things
worse.

Jan


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