I missed it too, until I started thinking about all the possible
combinations.
> Question. Why don't we let CLONE_VFORK be a standard clone flag?
Because then we're back to the old problem: before doing a vfork(),
somebody could do a "clone(CLONE_VFORK)" (which would _not_ wait on the
semaphore like a real vfork() would), and now the wrong child can wake up
the parent and mess up the real vfork().
Linus
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