linux-kernel - Re: [PATCH 0/4 v6] arm: introduce psci_smp

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Message-ID: <alpine.DEB.2.02.1304081102500.5353@kaball.uk.xensource.com>
Date:	Mon, 8 Apr 2013 12:05:17 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Stefano Stabellini <stefano.stabellini@...citrix.com>
CC:	"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>,
	"will.deacon@....com" <will.deacon@....com>,
	Arnd Bergmann <arnd@...db.de>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH 0/4 v6] arm: introduce psci_smp_ops and use them on Xen

Arnd, Olof,
do you have any thoughts on this series?
Would you be happy to carry it in the arm-soc tree?

The last patch, "xen/arm: introduce xen_early_init, use PSCI on xen" has
a (small) dependency on this series:

http://marc.info/?l=linux-kernel&m=136430893610688&w=2

would you be OK with taking that one too, or should that go through the
Xen tree?

Cheers,

Stefano

On Fri, 5 Apr 2013, Stefano Stabellini wrote:
> Hi all,
> this is the sixth version of the patch series to move virt_smp_ops out of
> mach-virt and make it a generic set of reusable PSCI based smp_ops.
> psci_smp_ops are preferred over the platform smp_ops.
> I added a patch to introduce smp_init to this series.
> In the last patch I am using smp_init to switch to psci_smp_ops if Xen
> is detected on the platform.
> 
> 
> Jon Medhurst (1):
>       ARM: Enable selection of SMP operations at boot time
> 
> Stefano Stabellini (3):
>       arm: introduce psci_smp_ops
>       arm: prefer psci_smp_ops over mdesc->smp
>       xen/arm: introduce xen_early_init, use PSCI on xen
> 
>  arch/arm/Kconfig                      |    1 +
>  arch/arm/include/asm/mach/arch.h      |    3 +
>  arch/arm/include/asm/psci.h           |   29 ++++++++++++++
>  arch/arm/include/asm/xen/hypervisor.h |    6 +++
>  arch/arm/kernel/Makefile              |    5 ++-
>  arch/arm/kernel/psci.c                |    7 +--
>  arch/arm/kernel/psci_smp.c            |   67 +++++++++++++++++++++++++++++++++
>  arch/arm/kernel/setup.c               |   12 +++++-
>  arch/arm/mach-virt/Makefile           |    1 -
>  arch/arm/mach-virt/platsmp.c          |   58 ----------------------------
>  arch/arm/mach-virt/virt.c             |    3 -
>  arch/arm/xen/enlighten.c              |   36 ++++++++++++++----
>  12 files changed, 152 insertions(+), 76 deletions(-)
> 
>     
> git://xenbits.xen.org/people/sstabellini/linux-pvhvm.git 3.9-rc3-smp-6
> 
> 
> Cheers,
> 
> Stefano
> 
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