3.16.7-ckt4 -stable review patch.  If anyone has any objections, please let me 
know.

------------------

From: Max Filippov <[email protected]>

commit ff009ab6d4d4581b62fa055ab6233133aca25ab8 upstream.

Replace PAGE_KERNEL with PAGE_KERNEL_EXEC to allow copy_to_user_page
invalidate icache for pages mapped with kmap.

Signed-off-by: Max Filippov <[email protected]>
Signed-off-by: Luis Henriques <[email protected]>
---
 arch/xtensa/include/asm/highmem.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/xtensa/include/asm/highmem.h 
b/arch/xtensa/include/asm/highmem.h
index 2653ef5d55f1..694113314a77 100644
--- a/arch/xtensa/include/asm/highmem.h
+++ b/arch/xtensa/include/asm/highmem.h
@@ -23,7 +23,7 @@
 #define PKMAP_NR(virt)         (((virt) - PKMAP_BASE) >> PAGE_SHIFT)
 #define PKMAP_ADDR(nr)         (PKMAP_BASE + ((nr) << PAGE_SHIFT))
 
-#define kmap_prot              PAGE_KERNEL
+#define kmap_prot              PAGE_KERNEL_EXEC
 
 extern pte_t *pkmap_page_table;
 
-- 
2.1.4

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