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SubjectRe: [PATCH] limits on SCHED_FIFO tasks
george anzinger <george@mvista.com> wrote:
>
> If the issue is regaining control after some RT task goes into a loop,
> the way this is usually done is to keep a session around with a higher
> priority. Using this concept, one might provide tools that, from
> userland, insure that such a session exists prior to launching the
> "suspect" code. I fail to see the need for this sort of code in the
> kernel.

That works, until your shell calls ext3_mark_inode_dirty(), which blocks on
kjournald activity. kjournald is SCHED_OTHER, and never runs...


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