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ebac4655 JA |
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 | ||
8756e4d4 JA |
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 | ||
ebac4655 JA |
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 |