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Date:   Mon, 22 Apr 2019 08:01:19 -0700
From:   Sean Christopherson <sean.j.christopherson@intel.com>
To:     "Dr. Greg" <greg@enjellic.com>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Jethro Beekman <jethro@fortanix.com>,
        Andy Lutomirski <luto@amacapital.net>,
        Andy Lutomirski <luto@kernel.org>,
        Dave Hansen <dave.hansen@intel.com>,
        Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>,
        Linus Torvalds <torvalds@linux-foundation.org>,
        LKML <linux-kernel@vger.kernel.org>, X86 ML <x86@kernel.org>,
        "linux-sgx@vger.kernel.org" <linux-sgx@vger.kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        "nhorman@redhat.com" <nhorman@redhat.com>,
        "npmccallum@redhat.com" <npmccallum@redhat.com>,
        "Ayoun, Serge" <serge.ayoun@intel.com>,
        "Katz-zamir, Shay" <shay.katz-zamir@intel.com>,
        "Huang, Haitao" <haitao.huang@intel.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        "Svahn, Kai" <kai.svahn@intel.com>, Borislav Petkov <bp@alien8.de>,
        Josh Triplett <josh@joshtriplett.org>,
        "Huang, Kai" <kai.huang@intel.com>,
        David Rientjes <rientjes@google.com>
Subject: Re: [PATCH v20 00/28] Intel SGX1 support
Message-ID: <20190422150119.GA1236@linux.intel.com>
References: <alpine.DEB.2.21.1904192248550.3174@nanos.tec.linutronix.de>
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 <f9d93291-9b59-7b66-de9f-af92246f1c9c@fortanix.com>
 <alpine.DEB.2.21.1904192337160.3174@nanos.tec.linutronix.de>
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On Sat, Apr 20, 2019 at 11:02:47AM -0500, Dr. Greg wrote:
> We understand and support the need for the LSM to trap these events,
> but what does LSM provenance mean if the platform is compromised?
> That is, technically, the target application for SGX technology.

No, it's not.  Protecting the kernel/platform from a malicious entity is
outside the scope of SGX.