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SubjectRe: [PATCH 3/8] x86/xen: Redefine XEN_ELFNOTE_INIT_P2M using PUD_SIZE * PTRS_PER_PUD
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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@linux.intel.com>

Reviewed-by: Juergen Gross <jgross@suse.com>


Thanks,

Juergen

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