[Devel] Re: [PATCH 2/4] signals: send_signal: use si_fromuser() to detect from_ancestor_ns

[Sukadev Bhattiprolu]

Oleg Nesterov [oleg at redhat.com] wrote:
| Sorry for confusion.
| 
| > But sure, we could use force_sig_info() in caller.
| 
| Yes, because this makes the code more explicit imho. And we can avoid
| the further complicatiions in send_signal() path.

Although, one small drawback would be the different behavior for the
SIGKILL in load_aout_binary() to the container-init itself calling:

	kill(getpid(), SIGKILL);

(which of course is not very useful).
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