Re: [PATCH 1/3] x86/xen: Allow XEN_PV and XEN_PVH to be enabled with X86_5LEVEL

From: Matthew Wilcox
Date: Fri Feb 16 2018 - 09:11:28 EST


On Fri, Feb 16, 2018 at 02:49:46PM +0300, Kirill A. Shutemov wrote:
> @@ -38,12 +38,12 @@
> *
> */
>
> +#define l4_index(x) (((x) >> 39) & 511)
> #define pud_index(x) (((x) >> PUD_SHIFT) & (PTRS_PER_PUD-1))

Shouldn't that be
+#define p4d_index(x) (((x) >> P4D_SHIFT) & (PTRS_PER_P4D-1))