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Commit 7d4914db authored by Max Filippov's avatar Max Filippov Committed by Al Viro
Browse files

xtensa: fix prefetch in the raw_copy_to_user 



'from' is the input buffer, it should be prefetched with prefetch, not
prefetchw.

Tested-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 3a0e75ad

arch/xtensa/include/asm/uaccess.h

+1 −1
Original line number Diff line number Diff line
@@ -245,7 +245,7 @@ raw_copy_from_user(void *to, const void __user *from, unsigned long n) 
static inline unsigned long

raw_copy_to_user(void __user *to, const void *from, unsigned long n)

{

	prefetchw(from);

	prefetch(from);

	return __xtensa_copy_user((__force void *)to, from, n);

}

#define INLINE_COPY_FROM_USER