linux-kernel - Re: [PATCH v9 25/26] intel_idle/amx: Add SPR support with XTILEDATA capability

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Message-ID: <9db9731e-7182-1546-d22b-5618ee2cd24b@intel.com>
Date:   Fri, 30 Jul 2021 13:15:18 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     "Chang S. Bae" <chang.seok.bae@...el.com>, bp@...e.de,
        luto@...nel.org, tglx@...utronix.de, mingo@...nel.org,
        x86@...nel.org
Cc:     len.brown@...el.com, thiago.macieira@...el.com,
        jing2.liu@...el.com, ravi.v.shankar@...el.com,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v9 25/26] intel_idle/amx: Add SPR support with XTILEDATA
 capability

On 7/30/21 7:59 AM, Chang S. Bae wrote:
> SPR supports AMX, and so this custom table uses idle entry points that know
> how to initialize AMX TMM state, if necessary.

That's pretty direct with where this is showing up.

But, the cover letter is quite a bit more cagey:

> Intel Advanced Matrix Extensions (AMX)[1][2] will be shipping on servers
> soon.

If you do another version of these, it might be handy to make sure those
are as consistent as possible.