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SubjectRe: RFC: futex_wait() can DoS the tick
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On Thu, 2015-06-11 at 09:35 +0200, Mike Galbraith wrote:
> On Wed, 2015-06-10 at 17:12 +0200, Thomas Gleixner wrote:
>
> > I just booted a SNB with lapic=notscdeadline and ran that test
> > program. All what happens is - as expected - that ksoftirqd runs more
> > than we would like it to. I cannot observe any anomality vs. local
> > timer interrupts at all.
>
> Ditto on a E5-4620 box this morning, no sign of it. E5-2670 box I had
> verified "went away"

(dropped off the net on reboot, doesn't respond to remote button poking)



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