linux-kernel - Re: [PATCH] Ability to read the MKTME status from userspace (patch v2)

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Message-ID: <20200625212736.GT20319@zn.tnic>
Date:   Thu, 25 Jun 2020 23:27:36 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Daniel Gutson <daniel@...ypsium.com>
Cc:     "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Peter Zijlstra <peterz@...radead.org>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh@...nel.org>, Tony Luck <tony.luck@...el.com>,
        Rahul Tanwar <rahul.tanwar@...ux.intel.com>,
        Xiaoyao Li <xiaoyao.li@...el.com>,
        Sean Christopherson <sean.j.christopherson@...el.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        linux-kernel@...r.kernel.org, Richard Hughes <hughsient@...il.com>
Subject: Re: [PATCH] Ability to read the MKTME status from userspace (patch
 v2)

On Thu, Jun 25, 2020 at 06:16:12PM -0300, Daniel Gutson wrote:
> What didn't become clear from the thread last time is the direction to
> proceed. Concrete suggestion?

Here are two:

https://lkml.kernel.org/r/20200619161752.GG32683@zn.tnic
https://lkml.kernel.org/r/20200619161026.GF32683@zn.tnic

but before that happens, I'd like to hear Dave confirm that when we
expose all that information to userspace, it will actually be true and
show the necessary bits which *actually* tell you that encryption is
enabled.

If you're still unclear, go over the thread again pls.

Thx.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette