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xtensa: fix kmap_prot definition 

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>
This commit is contained in:
Max Filippov 2014-12-09 03:04:24 +03:00
parent e00d8b2f44
commit ff009ab6d4
1 changed files with 1 additions and 1 deletions
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2
arch/xtensa/include/asm/highmem.h
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@ -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