Re: [Xen-devel] xen/arm: VCPUOP_register_vcpu_info fails with CONFIG_ARM64_64K_PAGES

[Julien Grall <julien.grall@xxxxxxxxxx>]

Hi,

On 25/03/15 10:10, Ian Campbell wrote:
> On Wed, 2015-03-25 at 12:22 +0530, Vijay Kilari wrote:
>> Hi,
>>
>>    Dom0 fails to boot with Xen with CONFIG_ARM64_64K_PAGES enabled because of
>> map_vcpu_info() make check of page offset based of PAGE_SIZE which is 4K in 
>> Xen.
>> Is this know issue that is fixed?. I am using 4.5 rc1 Xen code base.
> 
> Julien has done some work with 64K pages, but I don't know if he has
> fixed this specific issue. In any case as it stands 64K pages are not
> yet supported under Xen (it's mostly a kernel side issue though).

This VCPUOP_register_vcpu issue is one problem among many others.

I'm working on adding support for 64K pages with Xen in the kernel. So
far, I have a guest booting with disk support and dom0 booting.

Regards,

-- 
Julien Grall

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