linux-kernel - Re: [PATCH v3 4/4] crypto: ccp: When TSME and SME both detected notify user

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Message-ID: <a20da39f-845d-5b63-6efc-53d91fe86278@amd.com>
Date:   Tue, 5 Apr 2022 16:06:50 -0500
From:   Tom Lendacky <thomas.lendacky@....com>
To:     Mario Limonciello <mario.limonciello@....com>,
        John Allen <john.allen@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>
Cc:     open list <linux-kernel@...r.kernel.org>,
        "open list:AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER" 
        <linux-crypto@...r.kernel.org>,
        Kerneis Gabriel <Gabriel.Kerneis@....gouv.fr>,
        Richard Hughes <hughsient@...il.com>
Subject: Re: [PATCH v3 4/4] crypto: ccp: When TSME and SME both detected
 notify user

On 3/31/22 16:12, Mario Limonciello wrote:
> CC_ATTR_HOST_MEM_ENCRYPT is used to relay that memory encryption has been
> activated by the kernel.
> 
> As it's technically possible to enable both SME and TSME at the same time,
> detect this scenario and notify the user that enabling TSME and SME at the
> same time is unnecessary.
> 
> Signed-off-by: Mario Limonciello <mario.limonciello@....com>

Acked-by: Tom Lendacky <thomas.lendacky@....com>

> ---