D29305.diff
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	Index: sys/dev/xen/grant_table/grant_table.c
	===================================================================
	--- sys/dev/xen/grant_table/grant_table.c
	+++ sys/dev/xen/grant_table/grant_table.c
	@@ -533,10 +533,18 @@
	shared = (grant_entry_t *)area;
	}

	+#if defined(__x86_64__) \|\| defined(__arm__) \|\| defined(__i386__)
	for (i = start_idx; i <= end_idx; i++) {
	pmap_kenter((vm_offset_t) shared + i * PAGE_SIZE,
	resume_frames + i * PAGE_SIZE);
	}
	+#elif defined(__aarch64__)
	+ pmap_kenter((vm_offset_t) shared + (start_idx << PAGE_SHIFT),
	+ (end_idx - start_idx + 1) << PAGE_SHIFT, resume_frames,
	+ VM_MEMATTR_XEN);
	+#else
	+#error "Unsupported architecture"
	+#endif

	return (0);
	}