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Date: Thu, 13 Dec 2007 10:31:36 -0700
From: Matthew Wilcox <matthew@wil.cx>
To: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Roland McGrath <roland@redhat.com>, Petr Tesarik <ptesarik@suse.cz>,
       Tony Luck <tony.luck@intel.com>, Matthew Wilcox <willy@debian.org>,
       Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arch_ptrace_stop
Message-ID: <20071213173136.GO26334@parisc-linux.org>
References: <20071213172926.GA423@tv-sign.ru>
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On Thu, Dec 13, 2007 at 08:29:26PM +0300, Oleg Nesterov wrote:
> How is it possible that SIGKILL is blocked?

I *think* it's possible that kernel threads may block SIGKILL.
And I think init (pid 1) gets SIGKILL blocked.

-- 
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."