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Date:   Thu, 8 Nov 2018 21:20:40 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To:     Dave Hansen <dave.hansen@intel.com>
Cc:     x86@kernel.org, platform-driver-x86@vger.kernel.org,
        linux-sgx@vger.kernel.org, sean.j.christopherson@intel.com,
        nhorman@redhat.com, npmccallum@redhat.com, serge.ayoun@intel.com,
        shay.katz-zamir@intel.com, haitao.huang@intel.com,
        mark.shanahan@intel.com, andriy.shevchenko@linux.intel.com,
        Jonathan Corbet <corbet@lwn.net>,
        Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        "H. Peter Anvin" <hpa@zytor.com>,
        "open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v15 23/23] x86/sgx: Driver documentation
Message-ID: <20181108192040.GA21685@linux.intel.com>
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On Thu, Nov 08, 2018 at 04:39:42PM +0200, Jarkko Sakkinen wrote:
> On Wed, Nov 07, 2018 at 09:09:37AM -0800, Dave Hansen wrote:
> > On 11/7/18 8:30 AM, Jarkko Sakkinen wrote:
> > >> Does this code run when I type "make kselftest"?  If not, I think we
> > >> should rectify that.
> > > No, it doesn't. It is just my backup for the non-SDK user space code
> > > that I've made that I will use to fork my user space SGX projects in
> > > the future.
> > > 
> > > I can work-out a selftest (and provide a new patch in the series) but
> > > I'm still wondering what the enclave should do. I would suggest that
> > > we start with an enclave that does just EEXIT and nothing else.
> > 
> > Yeah, that's a start.  But, a good selftest would include things like
> > faults and error conditions.
> 
> Great. We can add more entry points to the enclave for different tests
> but I'll start with a bare minimum. And yeah but ever goes into next
> version I'll document the fault handling.

For the v17 I'll add exactly two test cases:

1. EENTER/EEXIT
2. EENTER/exception

So that it will easier to evaluate and demonstrate exception handling.

/Jarkko