linux-kernel - Re: [RFC PATCH 00/10] arch/x86: AMD QoS support

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Date:   Wed, 3 Oct 2018 21:48:52 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Fenghua Yu <fenghua.yu@...el.com>
cc:     "Moger, Babu" <Babu.Moger@....com>,
        "mingo@...hat.com" <mingo@...hat.com>,
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        James Morse <james.morse@....com>
Subject: Re: [RFC PATCH 00/10] arch/x86: AMD QoS support

On Wed, 3 Oct 2018, Fenghua Yu wrote:
> On Tue, Oct 02, 2018 at 07:16:23PM +0000, Moger, Babu wrote:
> > 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.

Works for me.

> 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?

Moving the filesystem to fs is fine. I'm not convinced that all the
architecture specific code should live there. James's patchset was nicely
splitting this apart.

Thanks,

	tglx