Re: [PATCH 3/8] x86/xen: Redefine XEN_ELFNOTE_INIT_P2M using PUD_SIZE * PTRS_PER_PUD

[Juergen Gross]

On 17/07/17 00:59, Kirill A. Shutemov wrote:
> XEN_ELFNOTE_INIT_P2M has to be 512GB for both 4- and 5-level paging.
> (PUD_SIZE * PTRS_PER_PUD) would do this.
> 
> Unfortunately, we cannot use P4D_SIZE, which would fit here. With
> current headers structure it cannot be used in assembly, if p4d
> level is folded.
> 
> Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>

Reviewed-by: Juergen Gross <jgross@xxxxxxxx>


Thanks,

Juergen