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authorHyok S. Choi <hyok.choi@samsung.com>2006-02-24 21:37:50 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-03-21 22:03:19 +0000
commitf24284adcdeae963aacf0c9b17979c875069cd80 (patch)
treedb9a2046ab764aac1028b73e6cec3645ae3b18e6 /arch
parentec1248e70edc5cf7b485efcc7b41e44e10f422e5 (diff)
[ARM] noMMU: block sys_fork in nommu mode
The sys_fork is not supported in nommu mode. The other syscalls that is not supported in nommu mode are to be defined as cond_signal in kernel/sys_ni.c. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/kernel/sys_arm.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index a491de2d902..8170af47143 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -234,7 +234,12 @@ asmlinkage int sys_ipc(uint call, int first, int second, int third,
*/
asmlinkage int sys_fork(struct pt_regs *regs)
{
+#ifdef CONFIG_MMU
return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL);
+#else
+ /* can not support in nommu mode */
+ return(-EINVAL);
+#endif
}
/* Clone a task - this clones the calling program thread.