On Tue, 30 Oct 2012 11:35:59 +0100
Michal Hocko [off-list ref] wrote:

quoted

If the kernel is uniprocessor and the caller is SCHED_FIFO: ad infinitum!

...

Can we consider this as a corner case (it is much easier to kill a
machine with SCHED_FIFO than this anyway) or the concern is really
strong and we should come with a solution before this can get merged?

Sure.  SCHED_FIFO can be used to permanently block all kernel threads
which pretty quickly results in a very sick kernel.  My observation was
just a general moan about the SCHED_FIFO wontfix problem :)

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