linux-kernel - Re: [PATCH v6 4/4] xen/arm: introduce xen_early

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Message-ID: <alpine.LFD.2.03.1304051217560.1171@syhkavp.arg>
Date:	Fri, 5 Apr 2013 12:22:05 -0400 (EDT)
From:	Nicolas Pitre <nicolas.pitre@...aro.org>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
cc:	xen-devel@...ts.xensource.com, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, will.deacon@....com,
	arnd@...db.de, rob.herring@...xeda.com
Subject: Re: [PATCH v6 4/4] xen/arm: introduce xen_early_init, use PSCI on
 xen

On Fri, 5 Apr 2013, Stefano Stabellini wrote:

> Split xen_guest_init in two functions, one of them (xen_early_init) is
> going to be called very early from setup_arch.
> 
> Change machine_desc->smp_init to xen_smp_init if Xen is present on the
> platform. xen_smp_init just sets smp_ops to psci_smp_ops.

I still think the above is redundant, especially since psci_smp_ops has 
priority over default mdesc->smp_ops.  And doing so does break MCPM. But 
we're apparently going in circle over this issue.


Nicolas
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