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Date: Tue, 20 Oct 2015 21:41:33 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: Chris Metcalf <cmetcalf@ezchip.com>
Cc: Gilad Ben Yossef <giladb@ezchip.com>, Ingo Molnar <mingo@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Rik van Riel <riel@redhat.com>, Tejun Heo <tj@kernel.org>,
        Frederic Weisbecker <fweisbec@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
        Christoph Lameter <cl@linux.com>,
        Viresh Kumar <viresh.kumar@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will.deacon@arm.com>,
        Andy Lutomirski <luto@amacapital.net>, <linux-doc@vger.kernel.org>,
        <linux-api@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v8 06/14] task_isolation: provide strict mode
 configurable signal
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On Tue, 20 Oct 2015 21:30:36 -0400
Chris Metcalf <cmetcalf@ezchip.com> wrote:

> On 10/20/2015 8:56 PM, Steven Rostedt wrote:
> > On Tue, 20 Oct 2015 16:36:04 -0400
> > Chris Metcalf <cmetcalf@ezchip.com> wrote:
> >
> >> Allow userspace to override the default SIGKILL delivered
> >> when a task_isolation process in STRICT mode does a syscall
> >> or otherwise synchronously enters the kernel.
> >>
> > Is this really a good idea? This means that there's no way to terminate
> > a task in this mode, even if it goes astray.
> 
> It doesn't map SIGKILL to some other signal unconditionally.  It just allows
> the "hey, you broke the STRICT contract and entered the kernel" signal
> to be something besides the default SIGKILL.
> 

Ah, I misread the change log. Now looking at the actual code, it makes
sense. Sorry for the noise ;-)

-- Steve