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Re: [Xen-devel] [PATCH v2 1/2] xen/arm: Add support of PSCI v1.0 for the host



On Mon, 2015-10-12 at 16:39 +0100, Julien Grall wrote:

Subject: support PSCI v1.0 for the host.

> From Xen point of view, PSCI v0.2 and PSCI v1.0 are very similar. All
       Xen's

> the PSCI calls used within Xen (PSCI_VERSION, CPU_ON, SYSTEM_OFF and
> SYSTEM_RESET) behaves exactly the same.

                behave

> Furthermore, based on the spec (5.3.1 DEN0022C), any 1.y version must be
> compatible with 1.x when y > x for any functions existing in 1.x.
> 
> So check the presence of the new compatible string [1] and allow Xen to
> boot on any platform using PSCI 1.x.
> 
> [1] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/37
> 4547.html
> 
> Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>


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