On 07/26/19 18:06, Anthony PERARD wrote:
> On Wed, Jul 10, 2019 at 04:05:02PM +0200, Laszlo Ersek wrote:
>> On 07/04/19 16:42, Anthony PERARD wrote:
>>> + if (State == NULL) {
>>> + Status = EFI_OUT_OF_RESOURCES;
>>> + goto Error;
>>> + }
>>> +
>>> + Allocation = AllocateReservedPages (XEN_GRANT_FRAMES);
>>
>> (5) So, again, please evaluate if this could simply be AllocatePages().
>
> I would prefer to let know the operating system that those pages are
> potentially used, unless I'm sure OVMF has let know Xen that those
> pages don't contain the grant table anymore.
>
> I'll probably try to make some changes in OVMF to allow to give back
> those pages, but for now I think keeping those pages as reserved will
> be good enough.
Fair enough!
Thanks,
Laszlo
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