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

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Message-ID: <CAD2FfiFbGdf5uKmsc14F4ZuuCUQYFwfnirn=Y0fu2F0=njvWug@mail.gmail.com>
Date:   Fri, 19 Jun 2020 14:25:28 +0100
From:   Richard Hughes <hughsient@...il.com>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Daniel Gutson <daniel@...ypsium.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        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 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Ability to read the MKTME status from userspace

On Fri, 19 Jun 2020 at 00:52, Dave Hansen <dave.hansen@...el.com> wrote:
> It doesn't tell you if your data is encrypted.

Sorry for the perhaps naive question, but I thought MKTME was
essentially full physical memory encryption?

Richard