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

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.


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