linux-kernel - Re: [PATCH v9 1/2] arm: introduce psci_smp

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Date:	Mon, 29 Apr 2013 11:30:03 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Will Deacon <will.deacon@....com>
CC:	Stefano Stabellini <Stefano.Stabellini@...citrix.com>,
	"xen-devel@...ts.xensource.com" <xen-devel@...ts.xensource.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"arnd@...db.de" <arnd@...db.de>,
	"nicolas.pitre@...aro.org" <nicolas.pitre@...aro.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"olof@...om.net" <olof@...om.net>, Nicolas Pitre <nico@...aro.org>,
	Marc Zyngier <Marc.Zyngier@....com>,
	Russell King - ARM Linux <linux@....linux.org.uk>
Subject: Re: [PATCH v9 1/2] arm: introduce psci_smp_ops

Russell,
are you OK with this series now?

Olof, Arnd,
when you merge this series don't forget to include this fix from Stephen
Rothwell:

http://marc.info/?l=linux-arm-kernel&m=136722292031420&w=2


On Mon, 29 Apr 2013, Will Deacon wrote:
> On Sun, Apr 28, 2013 at 03:50:49PM +0100, Stefano Stabellini wrote:
> > Rename virt_smp_ops to psci_smp_ops and move them to arch/arm/kernel/psci_smp.c.
> > Remove mach-virt/platsmp.c, now unused.
> > Compile psci_smp if CONFIG_ARM_PSCI and CONFIG_SMP.
> > 
> > Add a cpu_die smp_op based on psci_ops.cpu_off.
> > 
> > Initialize PSCI before setting smp_ops in setup_arch.
> > 
> > If PSCI is available on the platform, prefer psci_smp_ops over the
> > platform smp_ops.
> > 
> > Changes in v9:
> > - move comment about PSCI interface from psci.h to psci_smp.c.
> > 
> > Changes in v8:
> > - merge "prefer psci_smp_ops over mdesc->smp" into this patch.
> > 
> > Changes in v6:
> > - fixed return values for psci_smp_available and psci_init ifndef
> > CONFIG_ARM_PSCI.
> > 
> > Changes in v5:
> > - document psci_operations;
> > - psci_init returns NULL.
> > 
> > Signed-off-by: Stefano Stabellini <stefano.stabellini@...citrix.com>
> > CC: Nicolas Pitre <nico@...aro.org>
> > CC: Rob Herring <rob.herring@...xeda.com>
> > CC: Will Deacon <will.deacon@....com>
> > CC: arnd@...db.de
> > CC: marc.zyngier@....com
> > CC: linux@....linux.org.uk
> 
> 
> Acked-by: Will Deacon <will.deacon@....com>
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