Re: [RFD] CAT user space interface revisited

From: Marcelo Tosatti
Date: Thu Nov 19 2015 - 17:20:41 EST

On Thu, Nov 19, 2015 at 10:09:03AM +0100, Thomas Gleixner wrote:
> On Wed, 18 Nov 2015, Marcelo Tosatti wrote
> > Actually, there is a point that is useful: you might want the important
> > application to share the L3 portion with HW (that HW DMAs into), and
> > have only the application and the HW use that region.
> >
> > So its a good point that controlling the exact position of the reservation
> > is important.
> I'm glad you figured that out yourself. :)
> Thanks,
> tglx

The HW is a reclaimer of the L3 region shared with HW.

You might want to remove any threads from reclaiming from
that region.

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