linux-kernel - Re: [PATCH v8 2/4] tee: generic TEE subsystem

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Message-ID: <20160212031551.GA10157@kroah.com>
Date:	Thu, 11 Feb 2016 19:15:51 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Jens Wiklander <jens.wiklander@...aro.org>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, valentin.manea@...wei.com,
	jean-michel.delorme@...com, emmanuel.michel@...com,
	javier@...igon.com,
	Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
	Mark Rutland <mark.rutland@....com>,
	Michal Simek <michal.simek@...inx.com>,
	Rob Herring <robh+dt@...nel.org>,
	Will Deacon <will.deacon@....com>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH v8 2/4] tee: generic TEE subsystem

On Thu, Feb 11, 2016 at 06:14:35PM +0100, Jens Wiklander wrote:
> Initial patch for generic TEE subsystem.
> This subsystem provides:
> * Registration/un-registration of TEE drivers.
> * Shared memory between normal world and secure world.
> * Ioctl interface for interaction with user space.
> * Sysfs implementation_id of TEE driver
> 
> A TEE (Trusted Execution Environment) driver is a driver that interfaces
> with a trusted OS running in some secure environment, for example,
> TrustZone on ARM cpus, or a separate secure co-processor etc.
> 
> The TEE subsystem can serve a TEE driver for a Global Platform compliant
> TEE, but it's not limited to only Global Platform TEEs.
> 
> This patch builds on other similar implementations trying to solve
> the same problem:
> * "optee_linuxdriver" by among others
>   Jean-michel DELORME<jean-michel.delorme@...com> and
>   Emmanuel MICHEL <emmanuel.michel@...com>
> * "Generic TrustZone Driver" by Javier González <javier@...igon.com>
> 
> Signed-off-by: Jens Wiklander <jens.wiklander@...aro.org>

I need you to get other people to review this before I can accept this
series.  Please do that, surely someone else cares about this code
becides you?

thanks,

greg k-h