Re: [PATCH v13 06/13] x86/sgx: Detect Intel SGX

[Jarkko Sakkinen]

On Mon, Sep 03, 2018 at 05:26:43PM +0300, Andy Shevchenko wrote:
> On Mon, Aug 27, 2018 at 9:57 PM Jarkko Sakkinen
> <jarkko.sakkinen@xxxxxxxxxxxxxxx> wrote:
> >
> > From: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> >
> > Intel(R) SGX is a set of CPU instructions that can be used by applications
> > to set aside private regions of code and data. The code outside the enclave
> > is disallowed to access the memory inside the enclave by the CPU access
> > control.
> >
> > Add a check for SGX to arch/x86 and a new config option, INTEL_SGX_CORE.
> > Expose a boolean variable 'sgx_enabled' to query whether or not the SGX
> > support is available.
> 
> > +       prompt "Intel SGX core functionality"
> > +       def_bool n
> 
> Default 'default' is 'n'. Perhaps changing prompt to bool will make it
> one line less.

Sure!

> > +#include <asm/sgx.h>
> > +#include <asm/sgx_pr.h>
> 
> Don't we put linux/* followed by asm/* ?

Yes.

> 
> > +#include <linux/freezer.h>
> > +#include <linux/highmem.h>
> > +#include <linux/kthread.h>
> > +#include <linux/ratelimit.h>
> > +#include <linux/sched/signal.h>
> > +#include <linux/slab.h>
> 
> -- 
> With Best Regards,
> Andy Shevchenko

/Jarkko