Re: [Xen-devel] [RFC PATCH v1 02/10] xen/arm: register mmio handler at runtime

[Julien Grall <julien.grall@xxxxxxxxxx>]

On 03/21/2014 05:17 PM, Ian Campbell wrote:
> On Wed, 2014-03-19 at 19:47 +0530, vijay.kilari@xxxxxxxxx wrote:
>> From: Vijaya Kumar K <Vijaya.Kumar@xxxxxxxxxxxxxxxxxx>
>>
>> mmio handlers are registers at compile time
>> for drivers like vuart and vgic.
>> Make mmio handler registered at runtime by
>> creating linked list of mmio handlers
> 
> I'm not convinced of the need for this, certainly the vgic side can just
> demux into v2 or v3 as necessary.

Demux the code just add an indirection. We could have a list of mmio
handler per domain and rely on it to call the right handler. A bit like x86.

Regards,

-- 
Julien Grall

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