| Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 1 | #ifndef ARCH_X86_64_h |
| 2 | #define ARCH_X86_64_h |
| 3 | |
| 4 | #define ARCH (arch_x86_64) |
| 5 | |
| 6 | #ifndef __NR_ioprio_set |
| 7 | #define __NR_ioprio_set 251 |
| 8 | #define __NR_ioprio_get 252 |
| 9 | #endif |
| 10 | |
| 11 | #ifndef __NR_fadvise64 |
| 12 | #define __NR_fadvise64 221 |
| 13 | #endif |
| 14 | |
| Jens Axboe | 8756e4d | 2006-05-27 20:24:53 +0200 | [diff] [blame] | 15 | #ifndef __NR_sys_splice |
| 16 | #define __NR_sys_splice 275 |
| 17 | #define __NR_sys_tee 276 |
| 18 | #define __NR_sys_vmsplice 278 |
| 19 | #endif |
| 20 | |
| Jens Axboe | ebac465 | 2005-12-08 15:25:21 +0100 | [diff] [blame] | 21 | #define nop __asm__ __volatile__("rep;nop": : :"memory") |
| 22 | |
| 23 | static inline unsigned long ffz(unsigned long bitmask) |
| 24 | { |
| 25 | __asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask)); |
| 26 | return bitmask; |
| 27 | } |
| 28 | |
| 29 | |
| 30 | #endif |