Jon, why do you continue to maintain this, when you have been told that
you're wrong?
The X server can avoid even kill -9 from a normal user. As it stands,
it doesn't do that, and I personally think it's a bug in X. But it's
not a kernel problem - X could make sure (by doing a "setuid(0)" to
renounce all use privileges) that nobody can kill it but root.
(And by the time you have a root that sends it a signal, you have a root
that could have killed the machine in easier ways, so don't even bother
claiming that it makes any difference).
So "that's not the kernel's job" is correct.
As long as you continue to claim this stupid "oh, the X server can't do
this, because.." when it's very obvious that the X server _can_ do it,
you aren't very believeable.
Linus
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