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Re: [RFD] CAT user space interface revisited

From Marcelo Tosatti <mtosatti@redhat.com>
Newsgroups linux.kernel
Subject Re: [RFD] CAT user space interface revisited
Date 2015-11-19 23:30 +0100
Message-ID <qwFSh-71L-11@gated-at.bofh.it> (permalink)
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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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Thread

[RFD] CAT user space interface revisited Thomas Gleixner <tglx@linutronix.de> - 2015-11-18 19:30 +0100
  Re: [RFD] CAT user space interface revisited Luiz Capitulino <lcapitulino@redhat.com> - 2015-11-18 20:40 +0100
    RE: [RFD] CAT user space interface revisited "Auld, Will" <will.auld@intel.com> - 2015-11-18 21:00 +0100
  Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-18 23:40 +0100
    Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-19 01:40 +0100
      Re: [RFD] CAT user space interface revisited Thomas Gleixner <tglx@linutronix.de> - 2015-11-19 09:40 +0100
        Re: [RFD] CAT user space interface revisited Luiz Capitulino <lcapitulino@redhat.com> - 2015-11-19 14:50 +0100
        Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-20 17:40 +0100
    Re: [RFD] CAT user space interface revisited Thomas Gleixner <tglx@linutronix.de> - 2015-11-19 09:20 +0100
  Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-19 01:20 +0100
    Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-19 02:10 +0100
      Re: [RFD] CAT user space interface revisited Thomas Gleixner <tglx@linutronix.de> - 2015-11-19 10:10 +0100
        Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-19 23:30 +0100
          Re: [RFD] CAT user space interface revisited Thomas Gleixner <tglx@linutronix.de> - 2015-11-20 09:00 +0100
            Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-20 20:30 +0100
      Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-19 21:40 +0100
    Re: [RFD] CAT user space interface revisited Thomas Gleixner <tglx@linutronix.de> - 2015-11-19 10:10 +0100
    Re: [RFD] CAT user space interface revisited Chao Peng <chao.p.peng@linux.intel.com> - 2015-11-24 09:40 +0100
      Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-25 23:10 +0100
  Re: [RFD] CAT user space interface revisited Chao Peng <chao.p.peng@linux.intel.com> - 2015-11-24 08:40 +0100
    Re: [RFD] CAT user space interface revisited Marcelo Tosatti <mtosatti@redhat.com> - 2015-11-25 23:10 +0100

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