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xtensa: fix kmap_prot definition
authorMax Filippov <jcmvbkbc@gmail.com>
Tue, 9 Dec 2014 00:04:24 +0000 (03:04 +0300)
committerMax Filippov <jcmvbkbc@gmail.com>
Tue, 9 Dec 2014 00:22:57 +0000 (03:22 +0300)
Replace PAGE_KERNEL with PAGE_KERNEL_EXEC to allow copy_to_user_page
invalidate icache for pages mapped with kmap.

Cc: stable@vger.kernel.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
arch/xtensa/include/asm/highmem.h patch | blob | blame | history

diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h
index 2c7901edffaf3a6b38714386294c633a8aa7d8c3..01cef6b40829adb87460f9b2b8d141853ed4f45d 100644 (file)
--- 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