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Re: PCI arbiter memory mapping

From: Damien Zammit
Subject: Re: PCI arbiter memory mapping
Date: Sun, 20 Jun 2021 11:25:30 +1000
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.0

Hi Joan,

On 19/6/21 7:50 pm, Joan Lledó wrote:
> I finally got memory mapping working in the pci arbiter. That means any 
> user with the proper permissions can map the device region files 
> generated by an arbiter. This is also working for nested arbiters.

How does that interact with existing pci access for example, I think the AHCI 
rump driver
works with DMA so do we need to also adjust the pci-userspace part of 


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