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[ARM] noMMU: block sys_fork in nommu mode

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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>
This commit is contained in:
Hyok S. Choi 2006-02-24 21:37:50 +00:00 committed by Russell King
parent ec1248e70e
commit f24284adcd
1 changed files with 5 additions and 0 deletions
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5
arch/arm/kernel/sys_arm.c
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@ -234,7 +234,12 @@ asmlinkage int sys_ipc(uint call, int first, int second, int third,
*/ */
asmlinkage int sys_fork(struct pt_regs *regs) asmlinkage int sys_fork(struct pt_regs *regs)
{ {
#ifdef CONFIG_MMU
return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL); 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. /* Clone a task - this clones the calling program thread.