Re: [Xen-devel] [PATCH 2/3] xen/arm: vgic-v3: Correctly retrieve the vCPU associated to a re-distributor

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 29/09/15 13:24, Shameerali Kolothum Thodi wrote:
> 
> 
>> -----Original Message-----
>> From: Julien Grall [mailto:julien.grall@xxxxxxxxxx]
>> Sent: 28 September 2015 21:32
>> To: xen-devel@xxxxxxxxxxxxxxxxxxxx
>> Cc: ian.campbell@xxxxxxxxxx; stefano.stabellini@xxxxxxxxxxxxx; Julien
>> Grall; Shameerali Kolothum Thodi; Wei Liu
>> Subject: [PATCH 2/3] xen/arm: vgic-v3: Correctly retrieve the vCPU
>> associated to a re-distributor
>>
>> When the guest is accessing the re-distributor, Xen retrieves the base
>> of the re-distributor using a mask based on the stride.
>>
> ....
>  
>>     with multiple bit set [1]. Although, we don't support such platform
>>     right now. So I would rather defer this change to Xen 4.6.1 and
>>     avoid possible downside/bug in this patch.
>>
>>     Shamaeerali, I've only tested quickly on the foundation model. Can
>>     you give a try on your platform to check if it fixes DOM0 boot?
> 
> 
> I tried and it fixes the issue on our platform :). 

Great, thank you for testing! Can I add your Tested-by?

> (I applied only the first two patches in the series).

The last one is only a clean up so it's fine.

>>     [1] http://lists.xen.org/archives/html/xen-devel/2015-
>> 09/msg03372.html
> 
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> 


-- 
Julien Grall

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