So use bsfl, not bsfq.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
#define nop __asm__ __volatile__("rep;nop": : :"memory")
#define read_barrier() asm volatile("lfence":::"memory")
#define nop __asm__ __volatile__("rep;nop": : :"memory")
#define read_barrier() asm volatile("lfence":::"memory")
-static inline unsigned long arch_ffz(unsigned long bitmask)
+static inline unsigned int arch_ffz(unsigned int bitmask)
- __asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask));
+ __asm__("bsfl %1,%0" :"=r" (bitmask) :"r" (~bitmask));