Re: [Xen-devel] [PATCH 0/4] ARM: add PSCI host support

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

On Mon, Nov 25, 2013 at 12:02 PM, Andre Przywara
<andre.przywara@xxxxxxxxxx> wrote:
> Xen did not make use of the host provided ARM PSCI (Power State
> Coordination Interface) functionality so far, but relied on platform
> specific SMP bringup functions.
> This series adds support for PSCI on the host by reading the required
> information from the DTB and invoking the appropriate handler when
> bringing up each single CPU.
> Since PSCI is defined for both ARM32 and ARM64, I put the code in a
> file shared by both.
> The ARM32 code was tested on Midway, but the ARM64 code was compile
> tested only.
>
> This approach seems to be the least intrusive, but one could also use
> more of the current ARM64 code by copying the PSCI/spin-table
> distinction code to a shared file and use that from both
> architectures. However that seems more complicated.
>
> Please take a look and complain ;-)
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxxxxx>

Ian, do you agree that this is too late for 4.4?

 -George

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