Re: [PATCH v15 23/23] x86/sgx: Driver documentation

From: Jarkko Sakkinen
Date: Thu Nov 08 2018 - 14:20:52 EST


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