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Diffstat (limited to 'arch/x86/xen/setup.c')
-rw-r--r--arch/x86/xen/setup.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c
index f387fc7e5250..af216feb63d9 100644
--- a/arch/x86/xen/setup.c
+++ b/arch/x86/xen/setup.c
@@ -306,10 +306,6 @@ static void __init xen_update_mem_tables(unsigned long pfn, unsigned long mfn)
BUG();
}
- /* Update kernel mapping, but not for highmem. */
- if (pfn >= PFN_UP(__pa(high_memory - 1)))
- return;
-
if (HYPERVISOR_update_va_mapping((unsigned long)__va(pfn << PAGE_SHIFT),
mfn_pte(mfn, PAGE_KERNEL), 0)) {
WARN(1, "Failed to update kernel mapping for mfn=%ld pfn=%ld\n",
@@ -429,13 +425,13 @@ static unsigned long __init xen_set_identity_and_remap_chunk(
}
/*
- * If the PFNs are currently mapped, the VA mapping also needs
- * to be updated to be 1:1.
+ * If the PFNs are currently mapped, their VA mappings need to be
+ * zapped.
*/
for (pfn = start_pfn; pfn <= max_pfn_mapped && pfn < end_pfn; pfn++)
(void)HYPERVISOR_update_va_mapping(
(unsigned long)__va(pfn << PAGE_SHIFT),
- mfn_pte(pfn, PAGE_KERNEL_IO), 0);
+ native_make_pte(0), 0);
return remap_pfn;
}