execute a user process in the kernel

[Dag-Erling Smørgrav]

Robert Watson <rwatson at freebsd.org> writes:
> Well, we have kproc/kthread APIs, but none of that is semantically
> compatible with the notion of execve(), which is a very user-centric
> concept ("replace the address space with a mapping of binary <x>").  You
> could fudge together a related notion, though, involving loadable kernel
> modules that have a main() routine run from a thread.  That said, the
> notion of simply running user code in kernel (as has been pointed out) is
> fraught with peril, primarily because the kernel is basically one big
> program with many special requirements, and user applications are written
> with the assumption that they are the only program, not running in the
> context of another program.

I believe the OP actually wanted the kernel to spawn a userland
process, but I may have misunderstood.

DES
-- 
Dag-Erling Smørgrav - des at des.no