diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2012-05-01 00:48:06 -0400 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-05-21 14:54:39 +0800 |
| commit | 080bb657eb0d02d0df73e62572eb814aebf66850 (patch) | |
| tree | 77cc6b532ff34bef6c427931fd1109b86517fb53 /arch/blackfin | |
| parent | 592b8785b966ef2841e34a7691026d3aec1ce382 (diff) | |
Blackfin: delete fork func
We don't implement fork() since we are no-mmu, so redirect it to the
existing ENOSYS stub rather than adding a custom EINVAL one.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/include/asm/unistd.h | 2 | ||||
| -rw-r--r-- | arch/blackfin/kernel/entry.S | 10 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/entry.S | 2 |
3 files changed, 2 insertions, 12 deletions
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h index 75ec9df5318..3287222cba3 100644 --- a/arch/blackfin/include/asm/unistd.h +++ b/arch/blackfin/include/asm/unistd.h @@ -11,7 +11,7 @@ */ #define __NR_restart_syscall 0 #define __NR_exit 1 -#define __NR_fork 2 + /* 2 __NR_fork not supported on nommu */ #define __NR_read 3 #define __NR_write 4 #define __NR_open 5 diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S index 686478f5f66..f33792cc1a0 100644 --- a/arch/blackfin/kernel/entry.S +++ b/arch/blackfin/kernel/entry.S @@ -64,16 +64,6 @@ ENTRY(_ret_from_fork) jump (p0); ENDPROC(_ret_from_fork) -ENTRY(_sys_fork) - r0 = -EINVAL; -#if (ANOMALY_05000371) - nop; - nop; - nop; -#endif - rts; -ENDPROC(_sys_fork) - ENTRY(_sys_vfork) r0 = sp; r0 += 24; diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S index 84b5e3dbbcc..80aa2535e2c 100644 --- a/arch/blackfin/mach-common/entry.S +++ b/arch/blackfin/mach-common/entry.S @@ -1377,7 +1377,7 @@ END(_ex_table) ENTRY(_sys_call_table) .long _sys_restart_syscall /* 0 */ .long _sys_exit - .long _sys_fork + .long _sys_ni_syscall /* fork */ .long _sys_read .long _sys_write .long _sys_open /* 5 */ |