Re: kernel_thread bogosity

From: Andrea Arcangeli (andrea@suse.de)
Date: Thu Nov 23 2000 - 19:48:30 EST


On Thu, Nov 23, 2000 at 11:23:33PM +0100, Pavel Machek wrote:
> Hi!
>
> You see? Kernel_thread does not check is sys_clone() worked! Aha,

"=&a" (retval)

> caller is responsible for that, but init/main.c does not seem too
> carefull. Maybe kernel_thread should at least print a warning?

If clone fails during start_kernel that's the last of your problems so nobody
cared. If you want to add a check on the retval go ahead, that's right indeed.

> Plus, can someone explain me why it does not need to setup %%ecx with
> either zero or address of stack?

Not necessary because a kernel thread never exit from kernel.

Andrea
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