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linux/arch/x86/include/asm/unistd_64.h
Christopher Yeoh fcf634098c Cross Memory Attach 
The basic idea behind cross memory attach is to allow MPI programs doing
intra-node communication to do a single copy of the message rather than a
double copy of the message via shared memory.

The following patch attempts to achieve this by allowing a destination
process, given an address and size from a source process, to copy memory
directly from the source process into its own address space via a system
call.  There is also a symmetrical ability to copy from the current
process's address space into a destination process's address space.

- Use of /proc/pid/mem has been considered, but there are issues with
  using it:
  - Does not allow for specifying iovecs for both src and dest, assuming
    preadv or pwritev was implemented either the area read from or
  written to would need to be contiguous.
  - Currently mem_read allows only processes who are currently
  ptrace'ing the target and are still able to ptrace the target to read
  from the target. This check could possibly be moved to the open call,
  but its not clear exactly what race this restriction is stopping
  (reason  appears to have been lost)
  - Having to send the fd of /proc/self/mem via SCM_RIGHTS on unix
  domain socket is a bit ugly from a userspace point of view,
  especially when you may have hundreds if not (eventually) thousands
  of processes  that all need to do this with each other
  - Doesn't allow for some future use of the interface we would like to
  consider adding in the future (see below)
  - Interestingly reading from /proc/pid/mem currently actually
  involves two copies! (But this could be fixed pretty easily)

As mentioned previously use of vmsplice instead was considered, but has
problems.  Since you need the reader and writer working co-operatively if
the pipe is not drained then you block.  Which requires some wrapping to
do non blocking on the send side or polling on the receive.  In all to all
communication it requires ordering otherwise you can deadlock.  And in the
example of many MPI tasks writing to one MPI task vmsplice serialises the
copying.

There are some cases of MPI collectives where even a single copy interface
does not get us the performance gain we could.  For example in an
MPI_Reduce rather than copy the data from the source we would like to
instead use it directly in a mathops (say the reduce is doing a sum) as
this would save us doing a copy.  We don't need to keep a copy of the data
from the source.  I haven't implemented this, but I think this interface
could in the future do all this through the use of the flags - eg could
specify the math operation and type and the kernel rather than just
copying the data would apply the specified operation between the source
and destination and store it in the destination.

Although we don't have a "second user" of the interface (though I've had
some nibbles from people who may be interested in using it for intra
process messaging which is not MPI).  This interface is something which
hardware vendors are already doing for their custom drivers to implement
fast local communication.  And so in addition to this being useful for
OpenMPI it would mean the driver maintainers don't have to fix things up
when the mm changes.

There was some discussion about how much faster a true zero copy would
go. Here's a link back to the email with some testing I did on that:

http://marc.info/?l=linux-mm&m=130105930902915&w=2

There is a basic man page for the proposed interface here:

http://ozlabs.org/~cyeoh/cma/process_vm_readv.txt

This has been implemented for x86 and powerpc, other architecture should
mainly (I think) just need to add syscall numbers for the process_vm_readv
and process_vm_writev. There are 32 bit compatibility versions for
64-bit kernels.

For arch maintainers there are some simple tests to be able to quickly
verify that the syscalls are working correctly here:

http://ozlabs.org/~cyeoh/cma/cma-test-20110718.tgz

Signed-off-by: Chris Yeoh <yeohc@au1.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: David Howells <dhowells@redhat.com>
Cc: James Morris <jmorris@namei.org>
Cc: <linux-man@vger.kernel.org>
Cc: <linux-arch@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-10-31 17:30:44 -07:00

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#ifndef _ASM_X86_UNISTD_64_H
#define _ASM_X86_UNISTD_64_H
#ifndef __SYSCALL
#define __SYSCALL(a, b)
#endif
/*
* This file contains the system call numbers.
*
* Note: holes are not allowed.
*/
/* at least 8 syscall per cacheline */
#define __NR_read 0
__SYSCALL(__NR_read, sys_read)
#define __NR_write 1
__SYSCALL(__NR_write, sys_write)
#define __NR_open 2
__SYSCALL(__NR_open, sys_open)
#define __NR_close 3
__SYSCALL(__NR_close, sys_close)
#define __NR_stat 4
__SYSCALL(__NR_stat, sys_newstat)
#define __NR_fstat 5
__SYSCALL(__NR_fstat, sys_newfstat)
#define __NR_lstat 6
__SYSCALL(__NR_lstat, sys_newlstat)
#define __NR_poll 7
__SYSCALL(__NR_poll, sys_poll)
#define __NR_lseek 8
__SYSCALL(__NR_lseek, sys_lseek)
#define __NR_mmap 9
__SYSCALL(__NR_mmap, sys_mmap)
#define __NR_mprotect 10
__SYSCALL(__NR_mprotect, sys_mprotect)
#define __NR_munmap 11
__SYSCALL(__NR_munmap, sys_munmap)
#define __NR_brk 12
__SYSCALL(__NR_brk, sys_brk)
#define __NR_rt_sigaction 13
__SYSCALL(__NR_rt_sigaction, sys_rt_sigaction)
#define __NR_rt_sigprocmask 14
__SYSCALL(__NR_rt_sigprocmask, sys_rt_sigprocmask)
#define __NR_rt_sigreturn 15
__SYSCALL(__NR_rt_sigreturn, stub_rt_sigreturn)
#define __NR_ioctl 16
__SYSCALL(__NR_ioctl, sys_ioctl)
#define __NR_pread64 17
__SYSCALL(__NR_pread64, sys_pread64)
#define __NR_pwrite64 18
__SYSCALL(__NR_pwrite64, sys_pwrite64)
#define __NR_readv 19
__SYSCALL(__NR_readv, sys_readv)
#define __NR_writev 20
__SYSCALL(__NR_writev, sys_writev)
#define __NR_access 21
__SYSCALL(__NR_access, sys_access)
#define __NR_pipe 22
__SYSCALL(__NR_pipe, sys_pipe)
#define __NR_select 23
__SYSCALL(__NR_select, sys_select)
#define __NR_sched_yield 24
__SYSCALL(__NR_sched_yield, sys_sched_yield)
#define __NR_mremap 25
__SYSCALL(__NR_mremap, sys_mremap)
#define __NR_msync 26
__SYSCALL(__NR_msync, sys_msync)
#define __NR_mincore 27
__SYSCALL(__NR_mincore, sys_mincore)
#define __NR_madvise 28
__SYSCALL(__NR_madvise, sys_madvise)
#define __NR_shmget 29
__SYSCALL(__NR_shmget, sys_shmget)
#define __NR_shmat 30
__SYSCALL(__NR_shmat, sys_shmat)
#define __NR_shmctl 31
__SYSCALL(__NR_shmctl, sys_shmctl)
#define __NR_dup 32
__SYSCALL(__NR_dup, sys_dup)
#define __NR_dup2 33
__SYSCALL(__NR_dup2, sys_dup2)
#define __NR_pause 34
__SYSCALL(__NR_pause, sys_pause)
#define __NR_nanosleep 35
__SYSCALL(__NR_nanosleep, sys_nanosleep)
#define __NR_getitimer 36
__SYSCALL(__NR_getitimer, sys_getitimer)
#define __NR_alarm 37
__SYSCALL(__NR_alarm, sys_alarm)
#define __NR_setitimer 38
__SYSCALL(__NR_setitimer, sys_setitimer)
#define __NR_getpid 39
__SYSCALL(__NR_getpid, sys_getpid)
#define __NR_sendfile 40
__SYSCALL(__NR_sendfile, sys_sendfile64)
#define __NR_socket 41
__SYSCALL(__NR_socket, sys_socket)
#define __NR_connect 42
__SYSCALL(__NR_connect, sys_connect)
#define __NR_accept 43
__SYSCALL(__NR_accept, sys_accept)
#define __NR_sendto 44
__SYSCALL(__NR_sendto, sys_sendto)
#define __NR_recvfrom 45
__SYSCALL(__NR_recvfrom, sys_recvfrom)
#define __NR_sendmsg 46
__SYSCALL(__NR_sendmsg, sys_sendmsg)
#define __NR_recvmsg 47
__SYSCALL(__NR_recvmsg, sys_recvmsg)
#define __NR_shutdown 48
__SYSCALL(__NR_shutdown, sys_shutdown)
#define __NR_bind 49
__SYSCALL(__NR_bind, sys_bind)
#define __NR_listen 50
__SYSCALL(__NR_listen, sys_listen)
#define __NR_getsockname 51
__SYSCALL(__NR_getsockname, sys_getsockname)
#define __NR_getpeername 52
__SYSCALL(__NR_getpeername, sys_getpeername)
#define __NR_socketpair 53
__SYSCALL(__NR_socketpair, sys_socketpair)
#define __NR_setsockopt 54
__SYSCALL(__NR_setsockopt, sys_setsockopt)
#define __NR_getsockopt 55
__SYSCALL(__NR_getsockopt, sys_getsockopt)
#define __NR_clone 56
__SYSCALL(__NR_clone, stub_clone)
#define __NR_fork 57
__SYSCALL(__NR_fork, stub_fork)
#define __NR_vfork 58
__SYSCALL(__NR_vfork, stub_vfork)
#define __NR_execve 59
__SYSCALL(__NR_execve, stub_execve)
#define __NR_exit 60
__SYSCALL(__NR_exit, sys_exit)
#define __NR_wait4 61
__SYSCALL(__NR_wait4, sys_wait4)
#define __NR_kill 62
__SYSCALL(__NR_kill, sys_kill)
#define __NR_uname 63
__SYSCALL(__NR_uname, sys_newuname)
#define __NR_semget 64
__SYSCALL(__NR_semget, sys_semget)
#define __NR_semop 65
__SYSCALL(__NR_semop, sys_semop)
#define __NR_semctl 66
__SYSCALL(__NR_semctl, sys_semctl)
#define __NR_shmdt 67
__SYSCALL(__NR_shmdt, sys_shmdt)
#define __NR_msgget 68
__SYSCALL(__NR_msgget, sys_msgget)
#define __NR_msgsnd 69
__SYSCALL(__NR_msgsnd, sys_msgsnd)
#define __NR_msgrcv 70
__SYSCALL(__NR_msgrcv, sys_msgrcv)
#define __NR_msgctl 71
__SYSCALL(__NR_msgctl, sys_msgctl)
#define __NR_fcntl 72
__SYSCALL(__NR_fcntl, sys_fcntl)
#define __NR_flock 73
__SYSCALL(__NR_flock, sys_flock)
#define __NR_fsync 74
__SYSCALL(__NR_fsync, sys_fsync)
#define __NR_fdatasync 75
__SYSCALL(__NR_fdatasync, sys_fdatasync)
#define __NR_truncate 76
__SYSCALL(__NR_truncate, sys_truncate)
#define __NR_ftruncate 77
__SYSCALL(__NR_ftruncate, sys_ftruncate)
#define __NR_getdents 78
__SYSCALL(__NR_getdents, sys_getdents)
#define __NR_getcwd 79
__SYSCALL(__NR_getcwd, sys_getcwd)
#define __NR_chdir 80
__SYSCALL(__NR_chdir, sys_chdir)
#define __NR_fchdir 81
__SYSCALL(__NR_fchdir, sys_fchdir)
#define __NR_rename 82
__SYSCALL(__NR_rename, sys_rename)
#define __NR_mkdir 83
__SYSCALL(__NR_mkdir, sys_mkdir)
#define __NR_rmdir 84
__SYSCALL(__NR_rmdir, sys_rmdir)
#define __NR_creat 85
__SYSCALL(__NR_creat, sys_creat)
#define __NR_link 86
__SYSCALL(__NR_link, sys_link)
#define __NR_unlink 87
__SYSCALL(__NR_unlink, sys_unlink)
#define __NR_symlink 88
__SYSCALL(__NR_symlink, sys_symlink)
#define __NR_readlink 89
__SYSCALL(__NR_readlink, sys_readlink)
#define __NR_chmod 90
__SYSCALL(__NR_chmod, sys_chmod)
#define __NR_fchmod 91
__SYSCALL(__NR_fchmod, sys_fchmod)
#define __NR_chown 92
__SYSCALL(__NR_chown, sys_chown)
#define __NR_fchown 93
__SYSCALL(__NR_fchown, sys_fchown)
#define __NR_lchown 94
__SYSCALL(__NR_lchown, sys_lchown)
#define __NR_umask 95
__SYSCALL(__NR_umask, sys_umask)
#define __NR_gettimeofday 96
__SYSCALL(__NR_gettimeofday, sys_gettimeofday)
#define __NR_getrlimit 97
__SYSCALL(__NR_getrlimit, sys_getrlimit)
#define __NR_getrusage 98
__SYSCALL(__NR_getrusage, sys_getrusage)
#define __NR_sysinfo 99
__SYSCALL(__NR_sysinfo, sys_sysinfo)
#define __NR_times 100
__SYSCALL(__NR_times, sys_times)
#define __NR_ptrace 101
__SYSCALL(__NR_ptrace, sys_ptrace)
#define __NR_getuid 102
__SYSCALL(__NR_getuid, sys_getuid)
#define __NR_syslog 103
__SYSCALL(__NR_syslog, sys_syslog)
/* at the very end the stuff that never runs during the benchmarks */
#define __NR_getgid 104
__SYSCALL(__NR_getgid, sys_getgid)
#define __NR_setuid 105
__SYSCALL(__NR_setuid, sys_setuid)
#define __NR_setgid 106
__SYSCALL(__NR_setgid, sys_setgid)
#define __NR_geteuid 107
__SYSCALL(__NR_geteuid, sys_geteuid)
#define __NR_getegid 108
__SYSCALL(__NR_getegid, sys_getegid)
#define __NR_setpgid 109
__SYSCALL(__NR_setpgid, sys_setpgid)
#define __NR_getppid 110
__SYSCALL(__NR_getppid, sys_getppid)
#define __NR_getpgrp 111
__SYSCALL(__NR_getpgrp, sys_getpgrp)
#define __NR_setsid 112
__SYSCALL(__NR_setsid, sys_setsid)
#define __NR_setreuid 113
__SYSCALL(__NR_setreuid, sys_setreuid)
#define __NR_setregid 114
__SYSCALL(__NR_setregid, sys_setregid)
#define __NR_getgroups 115
__SYSCALL(__NR_getgroups, sys_getgroups)
#define __NR_setgroups 116
__SYSCALL(__NR_setgroups, sys_setgroups)
#define __NR_setresuid 117
__SYSCALL(__NR_setresuid, sys_setresuid)
#define __NR_getresuid 118
__SYSCALL(__NR_getresuid, sys_getresuid)
#define __NR_setresgid 119
__SYSCALL(__NR_setresgid, sys_setresgid)
#define __NR_getresgid 120
__SYSCALL(__NR_getresgid, sys_getresgid)
#define __NR_getpgid 121
__SYSCALL(__NR_getpgid, sys_getpgid)
#define __NR_setfsuid 122
__SYSCALL(__NR_setfsuid, sys_setfsuid)
#define __NR_setfsgid 123
__SYSCALL(__NR_setfsgid, sys_setfsgid)
#define __NR_getsid 124
__SYSCALL(__NR_getsid, sys_getsid)
#define __NR_capget 125
__SYSCALL(__NR_capget, sys_capget)
#define __NR_capset 126
__SYSCALL(__NR_capset, sys_capset)
#define __NR_rt_sigpending 127
__SYSCALL(__NR_rt_sigpending, sys_rt_sigpending)
#define __NR_rt_sigtimedwait 128
__SYSCALL(__NR_rt_sigtimedwait, sys_rt_sigtimedwait)
#define __NR_rt_sigqueueinfo 129
__SYSCALL(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo)
#define __NR_rt_sigsuspend 130
__SYSCALL(__NR_rt_sigsuspend, sys_rt_sigsuspend)
#define __NR_sigaltstack 131
__SYSCALL(__NR_sigaltstack, stub_sigaltstack)
#define __NR_utime 132
__SYSCALL(__NR_utime, sys_utime)
#define __NR_mknod 133
__SYSCALL(__NR_mknod, sys_mknod)
/* Only needed for a.out */
#define __NR_uselib 134
__SYSCALL(__NR_uselib, sys_ni_syscall)
#define __NR_personality 135
__SYSCALL(__NR_personality, sys_personality)
#define __NR_ustat 136
__SYSCALL(__NR_ustat, sys_ustat)
#define __NR_statfs 137
__SYSCALL(__NR_statfs, sys_statfs)
#define __NR_fstatfs 138
__SYSCALL(__NR_fstatfs, sys_fstatfs)
#define __NR_sysfs 139
__SYSCALL(__NR_sysfs, sys_sysfs)
#define __NR_getpriority 140
__SYSCALL(__NR_getpriority, sys_getpriority)
#define __NR_setpriority 141
__SYSCALL(__NR_setpriority, sys_setpriority)
#define __NR_sched_setparam 142
__SYSCALL(__NR_sched_setparam, sys_sched_setparam)
#define __NR_sched_getparam 143
__SYSCALL(__NR_sched_getparam, sys_sched_getparam)
#define __NR_sched_setscheduler 144
__SYSCALL(__NR_sched_setscheduler, sys_sched_setscheduler)
#define __NR_sched_getscheduler 145
__SYSCALL(__NR_sched_getscheduler, sys_sched_getscheduler)
#define __NR_sched_get_priority_max 146
__SYSCALL(__NR_sched_get_priority_max, sys_sched_get_priority_max)
#define __NR_sched_get_priority_min 147
__SYSCALL(__NR_sched_get_priority_min, sys_sched_get_priority_min)
#define __NR_sched_rr_get_interval 148
__SYSCALL(__NR_sched_rr_get_interval, sys_sched_rr_get_interval)
#define __NR_mlock 149
__SYSCALL(__NR_mlock, sys_mlock)
#define __NR_munlock 150
__SYSCALL(__NR_munlock, sys_munlock)
#define __NR_mlockall 151
__SYSCALL(__NR_mlockall, sys_mlockall)
#define __NR_munlockall 152
__SYSCALL(__NR_munlockall, sys_munlockall)
#define __NR_vhangup 153
__SYSCALL(__NR_vhangup, sys_vhangup)
#define __NR_modify_ldt 154
__SYSCALL(__NR_modify_ldt, sys_modify_ldt)
#define __NR_pivot_root 155
__SYSCALL(__NR_pivot_root, sys_pivot_root)
#define __NR__sysctl 156
__SYSCALL(__NR__sysctl, sys_sysctl)
#define __NR_prctl 157
__SYSCALL(__NR_prctl, sys_prctl)
#define __NR_arch_prctl 158
__SYSCALL(__NR_arch_prctl, sys_arch_prctl)
#define __NR_adjtimex 159
__SYSCALL(__NR_adjtimex, sys_adjtimex)
#define __NR_setrlimit 160
__SYSCALL(__NR_setrlimit, sys_setrlimit)
#define __NR_chroot 161
__SYSCALL(__NR_chroot, sys_chroot)
#define __NR_sync 162
__SYSCALL(__NR_sync, sys_sync)
#define __NR_acct 163
__SYSCALL(__NR_acct, sys_acct)
#define __NR_settimeofday 164
__SYSCALL(__NR_settimeofday, sys_settimeofday)
#define __NR_mount 165
__SYSCALL(__NR_mount, sys_mount)
#define __NR_umount2 166
__SYSCALL(__NR_umount2, sys_umount)
#define __NR_swapon 167
__SYSCALL(__NR_swapon, sys_swapon)
#define __NR_swapoff 168
__SYSCALL(__NR_swapoff, sys_swapoff)
#define __NR_reboot 169
__SYSCALL(__NR_reboot, sys_reboot)
#define __NR_sethostname 170
__SYSCALL(__NR_sethostname, sys_sethostname)
#define __NR_setdomainname 171
__SYSCALL(__NR_setdomainname, sys_setdomainname)
#define __NR_iopl 172
__SYSCALL(__NR_iopl, stub_iopl)
#define __NR_ioperm 173
__SYSCALL(__NR_ioperm, sys_ioperm)
#define __NR_create_module 174
__SYSCALL(__NR_create_module, sys_ni_syscall)
#define __NR_init_module 175
__SYSCALL(__NR_init_module, sys_init_module)
#define __NR_delete_module 176
__SYSCALL(__NR_delete_module, sys_delete_module)
#define __NR_get_kernel_syms 177
__SYSCALL(__NR_get_kernel_syms, sys_ni_syscall)
#define __NR_query_module 178
__SYSCALL(__NR_query_module, sys_ni_syscall)
#define __NR_quotactl 179
__SYSCALL(__NR_quotactl, sys_quotactl)
#define __NR_nfsservctl 180
__SYSCALL(__NR_nfsservctl, sys_ni_syscall)
/* reserved for LiS/STREAMS */
#define __NR_getpmsg 181
__SYSCALL(__NR_getpmsg, sys_ni_syscall)
#define __NR_putpmsg 182
__SYSCALL(__NR_putpmsg, sys_ni_syscall)
/* reserved for AFS */
#define __NR_afs_syscall 183
__SYSCALL(__NR_afs_syscall, sys_ni_syscall)
/* reserved for tux */
#define __NR_tuxcall 184
__SYSCALL(__NR_tuxcall, sys_ni_syscall)
#define __NR_security 185
__SYSCALL(__NR_security, sys_ni_syscall)
#define __NR_gettid 186
__SYSCALL(__NR_gettid, sys_gettid)
#define __NR_readahead 187
__SYSCALL(__NR_readahead, sys_readahead)
#define __NR_setxattr 188
__SYSCALL(__NR_setxattr, sys_setxattr)
#define __NR_lsetxattr 189
__SYSCALL(__NR_lsetxattr, sys_lsetxattr)
#define __NR_fsetxattr 190
__SYSCALL(__NR_fsetxattr, sys_fsetxattr)
#define __NR_getxattr 191
__SYSCALL(__NR_getxattr, sys_getxattr)
#define __NR_lgetxattr 192
__SYSCALL(__NR_lgetxattr, sys_lgetxattr)
#define __NR_fgetxattr 193
__SYSCALL(__NR_fgetxattr, sys_fgetxattr)
#define __NR_listxattr 194
__SYSCALL(__NR_listxattr, sys_listxattr)
#define __NR_llistxattr 195
__SYSCALL(__NR_llistxattr, sys_llistxattr)
#define __NR_flistxattr 196
__SYSCALL(__NR_flistxattr, sys_flistxattr)
#define __NR_removexattr 197
__SYSCALL(__NR_removexattr, sys_removexattr)
#define __NR_lremovexattr 198
__SYSCALL(__NR_lremovexattr, sys_lremovexattr)
#define __NR_fremovexattr 199
__SYSCALL(__NR_fremovexattr, sys_fremovexattr)
#define __NR_tkill 200
__SYSCALL(__NR_tkill, sys_tkill)
#define __NR_time 201
__SYSCALL(__NR_time, sys_time)
#define __NR_futex 202
__SYSCALL(__NR_futex, sys_futex)
#define __NR_sched_setaffinity 203
__SYSCALL(__NR_sched_setaffinity, sys_sched_setaffinity)
#define __NR_sched_getaffinity 204
__SYSCALL(__NR_sched_getaffinity, sys_sched_getaffinity)
#define __NR_set_thread_area 205
__SYSCALL(__NR_set_thread_area, sys_ni_syscall) /* use arch_prctl */
#define __NR_io_setup 206
__SYSCALL(__NR_io_setup, sys_io_setup)
#define __NR_io_destroy 207
__SYSCALL(__NR_io_destroy, sys_io_destroy)
#define __NR_io_getevents 208
__SYSCALL(__NR_io_getevents, sys_io_getevents)
#define __NR_io_submit 209
__SYSCALL(__NR_io_submit, sys_io_submit)
#define __NR_io_cancel 210
__SYSCALL(__NR_io_cancel, sys_io_cancel)
#define __NR_get_thread_area 211
__SYSCALL(__NR_get_thread_area, sys_ni_syscall) /* use arch_prctl */
#define __NR_lookup_dcookie 212
__SYSCALL(__NR_lookup_dcookie, sys_lookup_dcookie)
#define __NR_epoll_create 213
__SYSCALL(__NR_epoll_create, sys_epoll_create)
#define __NR_epoll_ctl_old 214
__SYSCALL(__NR_epoll_ctl_old, sys_ni_syscall)
#define __NR_epoll_wait_old 215
__SYSCALL(__NR_epoll_wait_old, sys_ni_syscall)
#define __NR_remap_file_pages 216
__SYSCALL(__NR_remap_file_pages, sys_remap_file_pages)
#define __NR_getdents64 217
__SYSCALL(__NR_getdents64, sys_getdents64)
#define __NR_set_tid_address 218
__SYSCALL(__NR_set_tid_address, sys_set_tid_address)
#define __NR_restart_syscall 219
__SYSCALL(__NR_restart_syscall, sys_restart_syscall)
#define __NR_semtimedop 220
__SYSCALL(__NR_semtimedop, sys_semtimedop)
#define __NR_fadvise64 221
__SYSCALL(__NR_fadvise64, sys_fadvise64)
#define __NR_timer_create 222
__SYSCALL(__NR_timer_create, sys_timer_create)
#define __NR_timer_settime 223
__SYSCALL(__NR_timer_settime, sys_timer_settime)
#define __NR_timer_gettime 224
__SYSCALL(__NR_timer_gettime, sys_timer_gettime)
#define __NR_timer_getoverrun 225
__SYSCALL(__NR_timer_getoverrun, sys_timer_getoverrun)
#define __NR_timer_delete 226
__SYSCALL(__NR_timer_delete, sys_timer_delete)
#define __NR_clock_settime 227
__SYSCALL(__NR_clock_settime, sys_clock_settime)
#define __NR_clock_gettime 228
__SYSCALL(__NR_clock_gettime, sys_clock_gettime)
#define __NR_clock_getres 229
__SYSCALL(__NR_clock_getres, sys_clock_getres)
#define __NR_clock_nanosleep 230
__SYSCALL(__NR_clock_nanosleep, sys_clock_nanosleep)
#define __NR_exit_group 231
__SYSCALL(__NR_exit_group, sys_exit_group)
#define __NR_epoll_wait 232
__SYSCALL(__NR_epoll_wait, sys_epoll_wait)
#define __NR_epoll_ctl 233
__SYSCALL(__NR_epoll_ctl, sys_epoll_ctl)
#define __NR_tgkill 234
__SYSCALL(__NR_tgkill, sys_tgkill)
#define __NR_utimes 235
__SYSCALL(__NR_utimes, sys_utimes)
#define __NR_vserver 236
__SYSCALL(__NR_vserver, sys_ni_syscall)
#define __NR_mbind 237
__SYSCALL(__NR_mbind, sys_mbind)
#define __NR_set_mempolicy 238
__SYSCALL(__NR_set_mempolicy, sys_set_mempolicy)
#define __NR_get_mempolicy 239
__SYSCALL(__NR_get_mempolicy, sys_get_mempolicy)
#define __NR_mq_open 240
__SYSCALL(__NR_mq_open, sys_mq_open)
#define __NR_mq_unlink 241
__SYSCALL(__NR_mq_unlink, sys_mq_unlink)
#define __NR_mq_timedsend 242
__SYSCALL(__NR_mq_timedsend, sys_mq_timedsend)
#define __NR_mq_timedreceive 243
__SYSCALL(__NR_mq_timedreceive, sys_mq_timedreceive)
#define __NR_mq_notify 244
__SYSCALL(__NR_mq_notify, sys_mq_notify)
#define __NR_mq_getsetattr 245
__SYSCALL(__NR_mq_getsetattr, sys_mq_getsetattr)
#define __NR_kexec_load 246
__SYSCALL(__NR_kexec_load, sys_kexec_load)
#define __NR_waitid 247
__SYSCALL(__NR_waitid, sys_waitid)
#define __NR_add_key 248
__SYSCALL(__NR_add_key, sys_add_key)
#define __NR_request_key 249
__SYSCALL(__NR_request_key, sys_request_key)
#define __NR_keyctl 250
__SYSCALL(__NR_keyctl, sys_keyctl)
#define __NR_ioprio_set 251
__SYSCALL(__NR_ioprio_set, sys_ioprio_set)
#define __NR_ioprio_get 252
__SYSCALL(__NR_ioprio_get, sys_ioprio_get)
#define __NR_inotify_init 253
__SYSCALL(__NR_inotify_init, sys_inotify_init)
#define __NR_inotify_add_watch 254
__SYSCALL(__NR_inotify_add_watch, sys_inotify_add_watch)
#define __NR_inotify_rm_watch 255
__SYSCALL(__NR_inotify_rm_watch, sys_inotify_rm_watch)
#define __NR_migrate_pages 256
__SYSCALL(__NR_migrate_pages, sys_migrate_pages)
#define __NR_openat 257
__SYSCALL(__NR_openat, sys_openat)
#define __NR_mkdirat 258
__SYSCALL(__NR_mkdirat, sys_mkdirat)
#define __NR_mknodat 259
__SYSCALL(__NR_mknodat, sys_mknodat)
#define __NR_fchownat 260
__SYSCALL(__NR_fchownat, sys_fchownat)
#define __NR_futimesat 261
__SYSCALL(__NR_futimesat, sys_futimesat)
#define __NR_newfstatat 262
__SYSCALL(__NR_newfstatat, sys_newfstatat)
#define __NR_unlinkat 263
__SYSCALL(__NR_unlinkat, sys_unlinkat)
#define __NR_renameat 264
__SYSCALL(__NR_renameat, sys_renameat)
#define __NR_linkat 265
__SYSCALL(__NR_linkat, sys_linkat)
#define __NR_symlinkat 266
__SYSCALL(__NR_symlinkat, sys_symlinkat)
#define __NR_readlinkat 267
__SYSCALL(__NR_readlinkat, sys_readlinkat)
#define __NR_fchmodat 268
__SYSCALL(__NR_fchmodat, sys_fchmodat)
#define __NR_faccessat 269
__SYSCALL(__NR_faccessat, sys_faccessat)
#define __NR_pselect6 270
__SYSCALL(__NR_pselect6, sys_pselect6)
#define __NR_ppoll 271
__SYSCALL(__NR_ppoll, sys_ppoll)
#define __NR_unshare 272
__SYSCALL(__NR_unshare, sys_unshare)
#define __NR_set_robust_list 273
__SYSCALL(__NR_set_robust_list, sys_set_robust_list)
#define __NR_get_robust_list 274
__SYSCALL(__NR_get_robust_list, sys_get_robust_list)
#define __NR_splice 275
__SYSCALL(__NR_splice, sys_splice)
#define __NR_tee 276
__SYSCALL(__NR_tee, sys_tee)
#define __NR_sync_file_range 277
__SYSCALL(__NR_sync_file_range, sys_sync_file_range)
#define __NR_vmsplice 278
__SYSCALL(__NR_vmsplice, sys_vmsplice)
#define __NR_move_pages 279
__SYSCALL(__NR_move_pages, sys_move_pages)
#define __NR_utimensat 280
__SYSCALL(__NR_utimensat, sys_utimensat)
#define __NR_epoll_pwait 281
__SYSCALL(__NR_epoll_pwait, sys_epoll_pwait)
#define __NR_signalfd 282
__SYSCALL(__NR_signalfd, sys_signalfd)
#define __NR_timerfd_create 283
__SYSCALL(__NR_timerfd_create, sys_timerfd_create)
#define __NR_eventfd 284
__SYSCALL(__NR_eventfd, sys_eventfd)
#define __NR_fallocate 285
__SYSCALL(__NR_fallocate, sys_fallocate)
#define __NR_timerfd_settime 286
__SYSCALL(__NR_timerfd_settime, sys_timerfd_settime)
#define __NR_timerfd_gettime 287
__SYSCALL(__NR_timerfd_gettime, sys_timerfd_gettime)
#define __NR_accept4 288
__SYSCALL(__NR_accept4, sys_accept4)
#define __NR_signalfd4 289
__SYSCALL(__NR_signalfd4, sys_signalfd4)
#define __NR_eventfd2 290
__SYSCALL(__NR_eventfd2, sys_eventfd2)
#define __NR_epoll_create1 291
__SYSCALL(__NR_epoll_create1, sys_epoll_create1)
#define __NR_dup3 292
__SYSCALL(__NR_dup3, sys_dup3)
#define __NR_pipe2 293
__SYSCALL(__NR_pipe2, sys_pipe2)
#define __NR_inotify_init1 294
__SYSCALL(__NR_inotify_init1, sys_inotify_init1)
#define __NR_preadv 295
__SYSCALL(__NR_preadv, sys_preadv)
#define __NR_pwritev 296
__SYSCALL(__NR_pwritev, sys_pwritev)
#define __NR_rt_tgsigqueueinfo 297
__SYSCALL(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo)
#define __NR_perf_event_open 298
__SYSCALL(__NR_perf_event_open, sys_perf_event_open)
#define __NR_recvmmsg 299
__SYSCALL(__NR_recvmmsg, sys_recvmmsg)
#define __NR_fanotify_init 300
__SYSCALL(__NR_fanotify_init, sys_fanotify_init)
#define __NR_fanotify_mark 301
__SYSCALL(__NR_fanotify_mark, sys_fanotify_mark)
#define __NR_prlimit64 302
__SYSCALL(__NR_prlimit64, sys_prlimit64)
#define __NR_name_to_handle_at 303
__SYSCALL(__NR_name_to_handle_at, sys_name_to_handle_at)
#define __NR_open_by_handle_at 304
__SYSCALL(__NR_open_by_handle_at, sys_open_by_handle_at)
#define __NR_clock_adjtime 305
__SYSCALL(__NR_clock_adjtime, sys_clock_adjtime)
#define __NR_syncfs 306
__SYSCALL(__NR_syncfs, sys_syncfs)
#define __NR_sendmmsg 307
__SYSCALL(__NR_sendmmsg, sys_sendmmsg)
#define __NR_setns 308
__SYSCALL(__NR_setns, sys_setns)
#define __NR_getcpu 309
__SYSCALL(__NR_getcpu, sys_getcpu)
#define __NR_process_vm_readv 310
__SYSCALL(__NR_process_vm_readv, sys_process_vm_readv)
#define __NR_process_vm_writev 311
__SYSCALL(__NR_process_vm_writev, sys_process_vm_writev)
#ifndef __NO_STUBS
#define __ARCH_WANT_OLD_READDIR
#define __ARCH_WANT_OLD_STAT
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_GETHOSTNAME
#define __ARCH_WANT_SYS_PAUSE
#define __ARCH_WANT_SYS_SGETMASK
#define __ARCH_WANT_SYS_SIGNAL
#define __ARCH_WANT_SYS_UTIME
#define __ARCH_WANT_SYS_WAITPID
#define __ARCH_WANT_SYS_SOCKETCALL
#define __ARCH_WANT_SYS_FADVISE64
#define __ARCH_WANT_SYS_GETPGRP
#define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLD_UNAME
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_TIME
#define __ARCH_WANT_COMPAT_SYS_TIME
#endif /* __NO_STUBS */
#ifdef __KERNEL__
#ifndef COMPILE_OFFSETS
#include <asm/asm-offsets.h>
#define NR_syscalls (__NR_syscall_max + 1)
#endif
/*
* "Conditional" syscalls
*
* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
* but it doesn't work on all toolchains, so we just do it by hand
*/
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
#endif /* __KERNEL__ */
#endif /* _ASM_X86_UNISTD_64_H */
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