linux-kernel - Re: [PATCH v4 0/5] x86: Enable LKGS instruction

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Message-ID: <87ilkfaona.ffs@tglx>
Date:   Wed, 19 Oct 2022 16:12:09 +0200
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Xin Li <xin3.li@...el.com>, linux-kernel@...r.kernel.org,
        x86@...nel.org
Cc:     mingo@...hat.com, bp@...en8.de, dave.hansen@...ux.intel.com,
        hpa@...or.com, peterz@...radead.org, brgerst@...il.com,
        chang.seok.bae@...el.com
Subject: Re: [PATCH v4 0/5] x86: Enable LKGS instruction

Xin,

On Wed, Oct 19 2022 at 03:23, Xin Li wrote:
> LKGS instruction is introduced with Intel FRED (flexible return and event
> delivery) specification https://cdrdv2.intel.com/v1/dl/getContent/678938.

So I have two versions of the same thing in my inbox now. What's the
difference?