Xtensa improvements for 3.19:

- fix permissions for kmapped pages so that copy_to_user_page works with
   them;
 - add power management menu to Kconfig to allow use of runtime PM.
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Merge tag 'xtensa-for-next-20141213' of git://github.com/jcmvbkbc/linux-xtensa into for_next

Xtensa improvements for 3.19:

- fix permissions for kmapped pages so that copy_to_user_page works with
  them;
- add power management menu to Kconfig to allow use of runtime PM.

arch/xtensa/Kconfig

@@ -436,6 +436,12 @@ source "fs/Kconfig.binfmt"
 
 endmenu
 
+menu "Power management options"
+
+source "kernel/power/Kconfig"
+
+endmenu
+
 source "net/Kconfig"
 
 source "drivers/Kconfig"

arch/xtensa/include/asm/highmem.h

@@ -25,7 +25,7 @@
 #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
 
 #if DCACHE_WAY_SIZE > PAGE_SIZE
 #define get_pkmap_color get_pkmap_color