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[fio.git] / arch-x86_64.h
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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
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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
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21#ifndef __NR_async_exec
22#define __NR_async_exec 280
23#define __NR_async_wait 281
24#define __NR_umem_add 282
25#define __NR_async_thread 283
26#endif
27
28#define FIO_HAVE_SYSLET
29
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30#define nop __asm__ __volatile__("rep;nop": : :"memory")
31
32static inline unsigned long ffz(unsigned long bitmask)
33{
34 __asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask));
35 return bitmask;
36}
37
38
39#endif