Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support

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From: Russell King - ARM Linux

Subject: Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support

Date: Monday, December 6, 2010 - 1:52 pm

On Mon, Dec 06, 2010 at 03:00:48PM -0500, Valdis.Kletnieks@vt.edu wrote:
quoted text> On Sun, 05 Dec 2010 23:16:14 PST, Jeff Ohlstein said:
> 
> > SCM is the protocol used to communicate between the secure and
> > non-secure code executing on the applications processor. 
> 
> Does the presence of SCM hardware imply SMP?  From reading this, it's unclear
> why the dependence on SMP - it looks like scm.c is something that hardware that
> has one ARM processor and a 'secure processor' would still want.  Or is the
> 'secure processor' just another (arbitrarily labeled) ARM CPU participating
> as a full SMP processor?

It's referring to the secure mode, which is a separate address space and
system running on the same CPU.
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Messages in current thread:

[PATCH 0/5] SMP support for msm, Jeff Ohlstein, (Mon Dec 6, 12:16 am)

[PATCH 1/5] msm: Secure Channel Manager (SCM) support, Jeff Ohlstein, (Mon Dec 6, 12:16 am)

[PATCH 2/5] msm: scm-boot: Support for setting cold/warm b ..., Jeff Ohlstein, (Mon Dec 6, 12:16 am)

[PATCH 3/5] msm: timer: SMP timer support for msm, Jeff Ohlstein, (Mon Dec 6, 12:16 am)

[PATCH 4/5] msm: hotplug: support cpu hotplug on msm, Jeff Ohlstein, (Mon Dec 6, 12:16 am)

[PATCH 5/5] msm: add SMP support for msm, Jeff Ohlstein, (Mon Dec 6, 12:16 am)

Re: [PATCH 3/5] msm: timer: SMP timer support for msm, Thomas Gleixner, (Mon Dec 6, 2:56 am)

Re: [PATCH 3/5] msm: timer: SMP timer support for msm, Russell King - ARM Linux, (Mon Dec 6, 3:20 am)

Re: [PATCH 3/5] msm: timer: SMP timer support for msm, Thomas Gleixner, (Mon Dec 6, 4:11 am)

Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support, Valdis.Kletnieks, (Mon Dec 6, 1:00 pm)

Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support, Russell King - ARM Linux, (Mon Dec 6, 1:52 pm)

Re: [PATCH 3/5] msm: timer: SMP timer support for msm, Jeff Ohlstein, (Mon Dec 6, 9:49 pm)

Re: [PATCH 3/5] msm: timer: SMP timer support for msm, Russell King - ARM Linux, (Tue Dec 7, 1:17 am)

Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support, Pavel Machek, (Wed Dec 15, 12:48 am)

Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support, David Brown, (Wed Dec 15, 7:05 am)

Re: [PATCH 1/5] msm: Secure Channel Manager (SCM) support, Russell King - ARM Linux, (Wed Dec 15, 9:07 am)

Re: [PATCH 3/5] msm: timer: SMP timer support for msm, Russell King - ARM Linux, (Mon Dec 20, 5:21 am)


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