Re: [PATCH 2/2] xen: Kconfig: nest Xen guest options

[Andrew Cooper]

On 15/10/2020 13:37, boris.ostrovsky@xxxxxxxxxx wrote:
> On 10/14/20 1:53 PM, Jason Andryuk wrote:
>> +config XEN_512GB
>> +	bool "Limit Xen pv-domain memory to 512GB"
>> +	depends on XEN_PV && X86_64
>
> Why is X86_64 needed here?

>512G support was implemented using a direct-mapped P2M, and is rather
beyond the virtual address capabilities of 32bit.

~Andrew