linux-kernel - Re: [PATCH v4 19/22] x86/fpu/amx: Enable the AMX feature in 64-bit mode

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Message-ID: <199E9DDE-C8C8-421D-99A8-4381A3E67498@intel.com>
Date:   Tue, 23 Mar 2021 21:51:56 +0000
From:   "Bae, Chang Seok" <chang.seok.bae@...el.com>
To:     Thomas Gleixner <tglx@...utronix.de>
CC:     "bp@...e.de" <bp@...e.de>, "luto@...nel.org" <luto@...nel.org>,
        "mingo@...nel.org" <mingo@...nel.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "Brown, Len" <len.brown@...el.com>,
        "Hansen, Dave" <dave.hansen@...el.com>,
        "Liu, Jing2" <jing2.liu@...el.com>,
        "Shankar, Ravi V" <ravi.v.shankar@...el.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 19/22] x86/fpu/amx: Enable the AMX feature in 64-bit
 mode

On Mar 20, 2021, at 14:26, Thomas Gleixner <tglx@...utronix.de> wrote:
> On Sun, Feb 21 2021 at 10:56, Chang S. Bae wrote:
>> In 64-bit mode, include the AMX state components in
>> XFEATURE_MASK_USER_SUPPORTED.
>> 
>> The XFD feature will be used to dynamically expand the xstate per-task
>> buffer on the first use.
> 
> This patch touches absolutely nothing XFD related. What's the message
> here?

You’re right. This is not relevant here. I will remove it.

Thank you,
Chang