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Re: [PATCH v8 06/14] task_isolation: provide strict mode configurable signal

From Chris Metcalf <cmetcalf@ezchip.com>
Newsgroups linux.kernel
Subject Re: [PATCH v8 06/14] task_isolation: provide strict mode configurable signal
Date 2015-10-21 03:40 +0200
Message-ID <qlQxH-4GQ-3@gated-at.bofh.it> (permalink)
References <qlM13-6so-9@gated-at.bofh.it> <qlPV1-3Ig-7@gated-at.bofh.it> <qlPV1-3Ig-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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.

-- 
Chris Metcalf, EZChip Semiconductor
http://www.ezchip.com

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Thread

Re: [PATCH v8 06/14] task_isolation: provide strict mode  configurable signal Steven Rostedt <rostedt@goodmis.org> - 2015-10-21 03:00 +0200
  Re: [PATCH v8 06/14] task_isolation: provide strict mode configurable  signal Chris Metcalf <cmetcalf@ezchip.com> - 2015-10-21 03:40 +0200
    Re: [PATCH v8 06/14] task_isolation: provide strict mode  configurable signal Steven Rostedt <rostedt@goodmis.org> - 2015-10-21 03:50 +0200
    Re: [PATCH v8 06/14] task_isolation: provide strict mode configurable signal Andy Lutomirski <luto@amacapital.net> - 2015-10-21 03:50 +0200
      RE: [PATCH v8 06/14] task_isolation: provide strict mode configurable  signal Gilad Ben Yossef <giladb@ezchip.com> - 2015-10-21 09:20 +0200
        Re: [PATCH v8 06/14] task_isolation: provide strict mode configurable signal Andy Lutomirski <luto@amacapital.net> - 2015-10-21 21:00 +0200
          Re: [PATCH v8 06/14] task_isolation: provide strict mode configurable signal Andy Lutomirski <luto@amacapital.net> - 2015-10-22 23:10 +0200
          RE: [PATCH v8 06/14] task_isolation: provide strict mode configurable  signal Gilad Ben Yossef <giladb@ezchip.com> - 2015-10-24 11:20 +0200

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