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preadv/pwritev: MIPS: Add preadv(2) and pwritev(2) syscalls. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: <linux-api@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>
hifive-unleashed-5.1
Ralf Baechle 2009-04-02 16:59:24 -07:00 committed by Linus Torvalds
parent f3554f4bc6
commit ddd9e91b71
5 changed files with 20 additions and 6 deletions
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18
arch/mips/include/asm/unistd.h
View File

@ -350,16 +350,18 @@
#define __NR_dup3 (__NR_Linux + 327)
#define __NR_pipe2 (__NR_Linux + 328)
#define __NR_inotify_init1 (__NR_Linux + 329)
#define __NR_preadv (__NR_Linux + 330)
#define __NR_pwritev (__NR_Linux + 331)
/*
* Offset of the last Linux o32 flavoured syscall
*/
#define __NR_Linux_syscalls 329
#define __NR_Linux_syscalls 331
#endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */
#define __NR_O32_Linux 4000
#define __NR_O32_Linux_syscalls 329
#define __NR_O32_Linux_syscalls 331
#if _MIPS_SIM == _MIPS_SIM_ABI64
@ -656,16 +658,18 @@
#define __NR_dup3 (__NR_Linux + 286)
#define __NR_pipe2 (__NR_Linux + 287)
#define __NR_inotify_init1 (__NR_Linux + 288)
#define __NR_preadv (__NR_Linux + 289)
#define __NR_pwritev (__NR_Linux + 290)
/*
* Offset of the last Linux 64-bit flavoured syscall
*/
#define __NR_Linux_syscalls 288
#define __NR_Linux_syscalls 290
#endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */
#define __NR_64_Linux 5000
#define __NR_64_Linux_syscalls 288
#define __NR_64_Linux_syscalls 290
#if _MIPS_SIM == _MIPS_SIM_NABI32
@ -966,16 +970,18 @@
#define __NR_dup3 (__NR_Linux + 290)
#define __NR_pipe2 (__NR_Linux + 291)
#define __NR_inotify_init1 (__NR_Linux + 292)
#define __NR_preadv (__NR_Linux + 293)
#define __NR_pwritev (__NR_Linux + 294)
/*
* Offset of the last N32 flavoured syscall
*/
#define __NR_Linux_syscalls 292
#define __NR_Linux_syscalls 294
#endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */
#define __NR_N32_Linux 6000
#define __NR_N32_Linux_syscalls 292
#define __NR_N32_Linux_syscalls 294
#ifdef __KERNEL__

2
arch/mips/kernel/scall32-o32.S
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@ -650,6 +650,8 @@ einval: li v0, -ENOSYS
sys sys_dup3 3
sys sys_pipe2 2
sys sys_inotify_init1 1
sys sys_preadv 6 /* 4330 */
sys sys_pwritev 6
.endm
/* We pre-compute the number of _instruction_ bytes needed to

2
arch/mips/kernel/scall64-64.S
View File

@ -487,4 +487,6 @@ sys_call_table:
PTR sys_dup3
PTR sys_pipe2
PTR sys_inotify_init1
PTR sys_preadv
PTR sys_pwritev /* 5390 */
.size sys_call_table,.-sys_call_table

2
arch/mips/kernel/scall64-n32.S
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@ -413,4 +413,6 @@ EXPORT(sysn32_call_table)
PTR sys_dup3 /* 5290 */
PTR sys_pipe2
PTR sys_inotify_init1
PTR sys_preadv
PTR sys_pwritev
.size sysn32_call_table,.-sysn32_call_table

2
arch/mips/kernel/scall64-o32.S
View File

@ -533,4 +533,6 @@ sys_call_table:
PTR sys_dup3
PTR sys_pipe2
PTR sys_inotify_init1
PTR compat_sys_preadv /* 4330 */
PTR compat_sys_pwritev
.size sys_call_table,.-sys_call_table