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Re: [RFC] q800: fix I/O memory map
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From: |
Laurent Vivier |
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Subject: |
Re: [RFC] q800: fix I/O memory map |
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Date: |
Sat, 2 Nov 2019 20:56:03 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 |
Le 02/11/2019 à 20:54, Philippe Mathieu-Daudé a écrit :
> On 11/2/19 7:10 PM, Laurent Vivier wrote:
>> Paolo,
>>
>> the RFC was mainly for you:
>>
>> Is this the good way to replicate 256 times a memory chunk containing a
>> bunch of different MMIO spaces?
>
> I asked Richard about this and he said this is OK because this is
> the FlatView memory tree. It is then optimized in AddressSpace
> (see memory_region_transaction_commit). What matters in term of
> performance are the AddressSpaces.
Thank you Philippe.
Laurent