On Sun, 3 Feb 2002, Alpha Beta wrote:

> But at that time, the process 0 which calls kernel_thread is executing
> in Kernel mode, so why should some process in kernel mode make a
> system call??

it's mainly done to get a clean ptregs variable the new thread can be
created from. Just calling do_fork() is not enough. It's also a good test
of the syscall return path.

	Ingo

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