linux-kernel - Re: [RFC PATCH 1/2] tee: generic TEE subsystem

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Message-ID: <1429341658.16771.123.camel@x220>
Date:	Sat, 18 Apr 2015 09:20:58 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Jens Wiklander <jens.wiklander@...aro.org>
Cc:	Arnd Bergmann <arnd@...db.de>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	javier@...igon.com, Herbert Xu <herbert@...dor.apana.org.au>,
	tpmdd-devel@...ts.sourceforge.net, valentin.manea@...wei.com,
	jean-michel.delorme@...com, emmanuel.michel@...com
Subject: Re: [RFC PATCH 1/2] tee: generic TEE subsystem

On Fri, 2015-04-17 at 22:07 +0200, Arnd Bergmann wrote:
> On Friday 17 April 2015 09:50:56 Jens Wiklander wrote:
> > +static const struct file_operations tee_fops = {
> > +	.owner = THIS_MODULE,
> > +	.open = tee_open,
> > +	.release = tee_release,
> > +	.unlocked_ioctl = tee_ioctl
> > +};
> 
> Add a .compat_ioctl function, to make it work on arm64 as well.
> If you got all the data structures right, you can use the same
> tee_ioctl function.
> 
> Minor nit: put a comma behind the last line in each struct initialization
> to make it easier to add another callback.

And another nit: this is built-in only code, right? So, according to
include/linux/export.h, THIS_MODULE will be basically equivalent to
NULL. So I think you can drop that line.

Thanks,


Paul Bolle

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