linux-kernel - Re: [PATCH v4 1/2] ARM: OMAP: Add secure function omap

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Message-ID: <20130917231744.GJ9994@atomide.com>
Date:	Tue, 17 Sep 2013 16:17:44 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Dave Martin <Dave.Martin@....com>,
	Ивайло Димитров 
	<freemangordon@....bg>, "nm@...com" <nm@...com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"aaro.koskinen@....fi" <aaro.koskinen@....fi>,
	"pdeschrijver@...dia.com" <pdeschrijver@...dia.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"santosh.shilimkar@...com" <santosh.shilimkar@...com>,
	"pavel@....cz" <pavel@....cz>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4 1/2] ARM: OMAP: Add secure function omap_smc3()
 which calling instruction smc #1

* Pali Rohár <pali.rohar@...il.com> [130917 09:01]:
> On Tuesday 17 September 2013 17:43:31 Tony Lindgren wrote:
> > Have you guys checked how this works with the recently posted
> > "[PATCH v6 0/5] ARM: support for Trusted Foundations secure
> > monitor" series?
> 
> this code looks like some Tegra and "Trusted Foundations" 
> specific. There is Note: The API followed by Trusted Foundations 
> does *not* follow the SMC calling conventions.  Also code calling 
> smc #0 instruction, so in my opinion for rx51 it is useless.

OK, so still no generic SMC code then :( This patch is fine
with me.
 
> Tony, can you include this two rx51 secure patches (patch v4 1/2 
> and patch v2 2/2)? Or is there some any other problem?

No other comments on this patch, I'll post some comments on the
v2 2/2 patch considering we're moving to device tree based
booting.

Regards,

Tony
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