linux-kernel - Re: [PATCH 2/4] signals: send_signal: use si_fromuser() to detect from_ancestor

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Date:	Mon, 5 Oct 2009 21:55:44 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Daniel Lezcano <dlezcano@...ibm.com>,
	Sukadev Bhattiprolu <sukadev@...ibm.com>,
	Linux Containers <containers@...ts.osdl.org>,
	roland@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/4] signals: send_signal: use si_fromuser() to detect
	from_ancestor_ns

On 10/05, Oleg Nesterov wrote:
>
> On 10/05, Sukadev Bhattiprolu wrote:
> >
> > Oleg Nesterov [oleg@...hat.com] wrote:
>
> > | So, imho this patch also fixes this case by accident,
> >
> > This part I am not sure.  But as mentioned above, from_ancestor_ns is 0
> > and the SIGKILL will not queued right ?
>
> Yes, you are right, see above.
>
> I meant, it fixes the from-user logic, not from_ancestor_ns logic.

Hmm. When I re-read that email, I do not understand any longer
what I reallly meant when I said "this patch also fixes this case" :)

Anyway, you are right, thanks for correcting me.OH

Oleg.

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