diff options
author | Hyok S. Choi <hyok.choi@samsung.com> | 2006-02-24 16:37:50 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2006-03-21 17:03:19 -0500 |
commit | f24284adcdeae963aacf0c9b17979c875069cd80 (patch) | |
tree | db9a2046ab764aac1028b73e6cec3645ae3b18e6 | |
parent | ec1248e70edc5cf7b485efcc7b41e44e10f422e5 (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>
-rw-r--r-- | arch/arm/kernel/sys_arm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index a491de2d9024..8170af471439 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, | |||
234 | */ | 234 | */ |
235 | asmlinkage int sys_fork(struct pt_regs *regs) | 235 | asmlinkage int sys_fork(struct pt_regs *regs) |
236 | { | 236 | { |
237 | #ifdef CONFIG_MMU | ||
237 | return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL); | 238 | return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL); |
239 | #else | ||
240 | /* can not support in nommu mode */ | ||
241 | return(-EINVAL); | ||
242 | #endif | ||
238 | } | 243 | } |
239 | 244 | ||
240 | /* Clone a task - this clones the calling program thread. | 245 | /* Clone a task - this clones the calling program thread. |