Re: [PATCH v5 0/7] xen/arm: move to mach-virt and support SMP

[Stefano Stabellini]

Arnd, Olof,
during the last few merge windows Konrad has always sent the Xen ARM
patches to Linus via his tree, but this time (3.10 merge window), after
consulting with Konrad I am thinking of sending to Linus the pull
request myself.

Arnd, are you OK with this patch series?

It's all very Xen specific and it is already in linux-next.
The only non-Xen files that are touched are arch/arm/Kconfig, to select
ARM_PSCI on XEN, and arch/arm/boot/dts/Makefile, to build the xenvm DTB
if CONFIG_ARCH_VIRT.

Cheers,

Stefano


On Thu, 25 Apr 2013, Stefano Stabellini wrote:
> Hi all,
> this patch series, based on 3.9-rc3, moves xenvm to mach-virt,
> introduces SMP support in Xen on ARM and implements machine reboot and
> power off via Xen sched_op hypercalls.
> 
> Each patch comes with a detailed changelog.
> 
> 
> The merge window is approaching, this patch series only contains Xen
> specific changes for ARM, if anybody has any objections speak now
> please.
> 
> I would like an ack from an ARM maintainer on patch #4 and #5 since they
> touch generic ARM Makefiles.
> 
> 
> Changes in v5:
> - allocate xen_vcpu_info dynamically, aligning it to the size of the
> struct;
> - use VCPUOP_register_vcpu_info on cpu0 too;
> - set pm_power_off and arm_pm_restart from the Xen specific
> intialization code.
> 
> 
> 
> Stefano Stabellini (7):
>       xen/arm: actually pass a non-NULL percpu pointer to request_percpu_irq
>       xen/arm: implement HYPERVISOR_vcpu_op
>       xen/arm: SMP support
>       xen: move the xenvm machine to mach-virt
>       xen/arm: XEN selects ARM_PSCI
>       xenvm: add a simple PSCI node and a second cpu
>       xen/arm: use sched_op hypercalls for machine reboot and power off
> 
>  arch/arm/Kconfig                     |    1 +
>  arch/arm/boot/dts/Makefile           |    4 +-
>  arch/arm/boot/dts/xenvm-4.2.dts      |   13 ++++++
>  arch/arm/include/asm/xen/hypercall.h |    1 +
>  arch/arm/mach-vexpress/v2m.c         |    1 -
>  arch/arm/mach-virt/virt.c            |    1 +
>  arch/arm/xen/enlighten.c             |   75 ++++++++++++++++++++++++++++++---
>  arch/arm/xen/hypercall.S             |    1 +
>  8 files changed, 87 insertions(+), 10 deletions(-)
> 
> 
> git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen.git 3.9-rc3-smp-5-tag
> 
> Cheers,
> 
> Stefano
> 
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