| 1 | #ifndef ARCH_S390_H |
| 2 | #define ARCH_S390_H |
| 3 | |
| 4 | #define ARCH (arch_s390) |
| 5 | |
| 6 | #ifndef __NR_ioprio_set |
| 7 | #define __NR_ioprio_set 282 |
| 8 | #define __NR_ioprio_get 283 |
| 9 | #endif |
| 10 | |
| 11 | #ifndef __NR_fadvise64 |
| 12 | #define __NR_fadvise64 253 |
| 13 | #endif |
| 14 | |
| 15 | #ifndef __NR_sys_splice |
| 16 | #define __NR_sys_splice 306 |
| 17 | #define __NR_sys_tee 308 |
| 18 | #define __NR_sys_vmsplice 309 |
| 19 | #endif |
| 20 | |
| 21 | #define nop asm volatile ("diag 0,0,68" : : : "memory") |
| 22 | #define read_barrier() asm volatile("bcr 15,0" : : : "memory") |
| 23 | #define write_barrier() asm volatile("bcr 15,0" : : : "memory") |
| 24 | |
| 25 | #endif |