From: Max Filippov <jcmvbkbc@gmail.com>
Date: Tue, 9 Dec 2014 00:04:24 +0000 (+0300)
Subject: xtensa: fix kmap_prot definition
X-Git-Tag: v3.18.3~53
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=45f5afbe426b8ffe97eeb34ce4adc2af478b912a;p=platform%2Fkernel%2Flinux-stable.git

xtensa: fix kmap_prot definition

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 <jcmvbkbc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h
index 2c7901edffaf..01cef6b40829 100644
--- a/arch/xtensa/include/asm/highmem.h
+++ b/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