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authorMike Frysinger <vapier@gentoo.org>2012-05-01 00:48:06 -0400
committerBob Liu <lliubbo@gmail.com>2012-05-21 14:54:39 +0800
commit080bb657eb0d02d0df73e62572eb814aebf66850 (patch)
tree77cc6b532ff34bef6c427931fd1109b86517fb53 /arch/blackfin
parent592b8785b966ef2841e34a7691026d3aec1ce382 (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.h2
-rw-r--r--arch/blackfin/kernel/entry.S10
-rw-r--r--arch/blackfin/mach-common/entry.S2
3 files changed, 2 insertions, 12 deletions
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index 75ec9df5318b..3287222cba34 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 686478f5f66b..f33792cc1a0d 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 84b5e3dbbcc8..80aa2535e2c9 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 */