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SubjectRe: [PATCH 0/5] ftrace: to kill a daemon
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?


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