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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>
This commit is contained in:
Mike Frysinger 2012-05-01 00:48:06 -04:00 committed by Bob Liu
parent 592b8785b9
commit 080bb657eb
3 changed files with 2 additions and 12 deletions
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2
arch/blackfin/include/asm/unistd.h
View File

@ -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

10
arch/blackfin/kernel/entry.S
View File

@ -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;

2
arch/blackfin/mach-common/entry.S
View File

@ -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 */