2 files changed, 16 insertions, 0 deletions

diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index b9243e7557ae..767b0cf17d33 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -146,6 +146,14 @@ ioremap_flags(phys_addr_t addr, unsigned long size, unsigned long flags)
         /* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
         flags &= ~(_PAGE_USER | _PAGE_EXEC);
 
+#ifdef _PAGE_BAP_SR
+        /* _PAGE_USER contains _PAGE_BAP_SR on BookE using the new PTE format
+         * which means that we just cleared supervisor access... oops ;-) This
+         * restores it
+         */
+        flags |= _PAGE_BAP_SR;
+#endif
+
         return __ioremap_caller(addr, size, flags, __builtin_return_address(0));
 }
 EXPORT_SYMBOL(ioremap_flags);
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index d95679a5fb29..d050fc8d9714 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -265,6 +265,14 @@ void __iomem * ioremap_flags(phys_addr_t addr, unsigned long size,
         /* we don't want to let _PAGE_USER and _PAGE_EXEC leak out */
         flags &= ~(_PAGE_USER | _PAGE_EXEC);
 
+#ifdef _PAGE_BAP_SR
+        /* _PAGE_USER contains _PAGE_BAP_SR on BookE using the new PTE format
+         * which means that we just cleared supervisor access... oops ;-) This
+         * restores it
+         */
+        flags |= _PAGE_BAP_SR;
+#endif
+
         if (ppc_md.ioremap)
                 return ppc_md.ioremap(addr, size, flags, caller);
         return __ioremap_caller(addr, size, flags, caller);