Re: [Xen-devel] [PATCH v3 56/62] arm/acpi: Deny MMIO access of UART

[Shannon Zhao <zhaoshenglong@xxxxxxxxxx>]

On 2015/11/17 20:04, Julien Grall wrote:
> On 17/11/15 09:40, shannon.zhao@xxxxxxxxxx wrote:
>> From: Shannon Zhao <shannon.zhao@xxxxxxxxxx>
>>
>> Firstly it permits full MMIO capabilities for Dom0. Then deny MMIO
>> access of UART device.
> 
> I'm nearly sure we want to deny other MMIO such as the GIC regions and SMMU.
> 
But Dom0 will not know the real GIC hardware MMIO space, how would it
map these regions? In case of wrong use?
Regarding SMMU, since it doesn't support now, so I didn't add it but it
could be added later.

-- 
Shannon


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