linux-kernel - Re: [PATCH 6/6] intel_sgx: TODO file for the staging area

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Date:	Mon, 25 Apr 2016 21:56:33 +0300
From:	Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:	Greg KH <gregkh@...uxfoundation.org>
Cc:	"open list:STAGING SUBSYSTEM" <devel@...verdev.osuosl.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 6/6] intel_sgx: TODO file for the staging area

On Mon, Apr 25, 2016 at 10:54:26AM -0700, Greg KH wrote:
> On Mon, Apr 25, 2016 at 08:34:13PM +0300, Jarkko Sakkinen wrote:
> > Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
> > ---
> >  drivers/staging/intel_sgx/TODO | 25 +++++++++++++++++++++++++
> >  1 file changed, 25 insertions(+)
> >  create mode 100644 drivers/staging/intel_sgx/TODO
> > 
> > diff --git a/drivers/staging/intel_sgx/TODO b/drivers/staging/intel_sgx/TODO
> > new file mode 100644
> > index 0000000..05f68c2
> > --- /dev/null
> > +++ b/drivers/staging/intel_sgx/TODO
> > @@ -0,0 +1,25 @@
> > +Documentation
> > +=============
> > +
> > +* Improve Documents/x86/intel-sgx.txt based on the feedback and
> > +  questions that pop up.
> > +
> > +Internals
> > +=========
> > +
> > +* Move structures needed by the allocator to arch/x86/include/asm/sgx.h
> > +* Move EPC page allocation and eviction code to arch/x86/mm as they
> > +  will shared with virtualization code.
> > +* Move enclave management functions to arch/x86/mm as they will be
> > +  shared with virtualization code.
> > +* Use reserve_memtype() in order to add EPC to the PAT memtype list
> > +  with WB caching.
> > +* Implement proper recovery code for the pager for cases when
> > +  ETRACK/EBLOCK/EWB fails instead of BUG_ON(). Probably the sanest
> > +  way to recover is to clear TCS PTEs, kick threads out of enclave
> > +  and remove EPC pages.
> > +* Implement ACPI hot-lug for SGX.
> 
> What is keeping you from doing all of this work this week, making this
> todo list empty?

I could. I took the internal driver code and just enumerated the tasks
that I saw that need to be done before it's ready from my point of view.
I just wanted intial feedback before starting to work through these so
that I know my aim is right.

> thanks,
> 
> greg k-h

/Jarkko