3.18-stable review patch. If anyone has any objections, please let me know.
------------------ From: Chris Metcalf <[email protected]> commit 7a5692e6e533fd379081ab06fb58f3f5ee4d80bc upstream. For some reason, only the little-endian flavor of powerpc provided the zero_bytemask() implementation. Reported-by: Michal Sojka <[email protected]> Acked-by: Michael Ellerman <[email protected]> Signed-off-by: Chris Metcalf <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- arch/powerpc/include/asm/word-at-a-time.h | 5 +++++ 1 file changed, 5 insertions(+) --- a/arch/powerpc/include/asm/word-at-a-time.h +++ b/arch/powerpc/include/asm/word-at-a-time.h @@ -40,6 +40,11 @@ static inline bool has_zero(unsigned lon return (val + c->high_bits) & ~rhs; } +static inline unsigned long zero_bytemask(unsigned long mask) +{ + return ~1ul << __fls(mask); +} + #else #ifdef CONFIG_64BIT
