Messages in this thread | | | From | Rusty Russell <> | Subject | Re: [PATCH 0/5] ftrace: to kill a daemon | Date | Mon, 11 Aug 2008 12:41:22 +1000 |
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On Saturday 09 August 2008 04:41:06 Steven Rostedt wrote: > On Fri, 8 Aug 2008, Mathieu Desnoyers wrote: > > kstop_machine does not guarantee that you won't have _any_ thread > > preempted with IP pointing exactly in the middle of your instructions > > _before_ the modification scheduled back in _after_ the modification and > > thus causing an illegal instruction. > > > > Still buggy. :/ > > Hmm, good point. Unless...
You can walk the task list and fix them up, if you have to. Of course, this could be extremely slow with a million threads. Maybe just walking the runqueues would be sufficient?
Rusty.
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