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

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 23/10/15 11:39, Ian Campbell wrote:
> On Thu, 2015-10-22 at 18:17 +0100, Julien Grall wrote:
>> Hi,
>>
>> On 22/10/15 16:42, Ian Campbell wrote:
>>> 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>
>>
>> Shall I resend a new version with those typos fixed? Or do you plan to
>> do it when you'll commit the patch?
> 
> Looks like those are the only changes required, so assuming you are are
> happy with them I'll just do them on commit.

I'm fine with that.

Thank you!

-- 
Julien Grall

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