Messages in this thread | | | Date | Sat, 22 Dec 2007 02:52:28 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] kthread: run kthreadd with max priority SCHED_FIFO |
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On Sat, 22 Dec 2007 11:39:30 +0100 Mike Galbraith <efault@gmx.de> wrote:
> > On Sat, 2007-12-22 at 04:52 -0500, Jon Masters wrote: > > > So, user tasks running with SCHED_FIFO should be able to lock a system? > > I guess I see both sides of this argument - yes, it's userspace at > > fault, but in other cases when userspace is at fault, we take action > > (OOM, segfault, others). Isn't this situation just another case where > > the kernel needs to avoid the evils of userland going awry? > > FYI, Ingo queued the below. > > http://lkml.org/lkml/2007/10/31/344 >
That's pretty different of course, but rlimit might be a suitable interface for implementing RLIMIT_MAX_CONTINUOUS_RT_MILLISECONDS.
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