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SubjectRe: [RFC PATCH 00/10] arch/x86: AMD QoS support
On Tue, Oct 02, 2018 at 07:16:23PM +0000, Moger, Babu wrote:
>
>
> On 10/02/2018 01:46 PM, Fenghua Yu wrote:
> > On Tue, Oct 02, 2018 at 05:44:47PM +0000, Moger, Babu wrote:
> >> Hi Fenghua,
> >>
> >>> -----Original Message-----
> >>> From: Fenghua Yu <fenghua.yu@intel.com>
> >>> Sent: Tuesday, October 2, 2018 12:07 PM
> >>> On Mon, Sep 24, 2018 at 07:18:54PM +0000, Moger, Babu wrote:
> >>>> The public specification is still in works. Will add the link when it is
> >>>> available.
> >>>
> >>> Is this the public AMD QoS spec?
> >>> https://support.amd.com/TechDocs/56375_Quality_of_Service_Extensions.
> >>> pdf
> >>>
> >>
> >> Yes. That is the one.
> >> I was going to send the link after refreshing the patches on 4-19-rc5. You already got it. Please let know if you have any feedback on the patches.
> >
> > I don't see the name 'RDT' (Resource Director Technology) in the
> > spec "AMD64 Technology Platform Quality of Service Extensions".
> > Does AMD use the same name 'RDT' as Intel?
>
> No. AMD uses the word "Platform Quality of Service"(or in short QoS) to
> refer this feature.

Hi, Thomas, Babu, and James,

Can we use "resctrl" to replace "intel_rdt" and "rdt" in kernel? "resctrl"
is a neutral name and has been used in user interface already. Hopefully
"resctrl" can be acceptable by ARM, AMD, and Intel. We only use "intel_rdt",
"amd_qos", or "arm mpam" for vendor specific code.

Can we move all of Intel RDT, AMD QoS, and ARM MPAM code into a generic
place fs/resctrl where both ARM and X86 code can stay?

Thanks.

-Fenghua

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