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Re: [PATCH v3 hurd] pci: Add RPCs for taking and freeing io ports by reg
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From: |
Damien Zammit |
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Subject: |
Re: [PATCH v3 hurd] pci: Add RPCs for taking and freeing io ports by region |
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Date: |
Sun, 23 Jul 2023 03:34:24 +0000 |
Hi,
On 22/7/23 21:17, Joan Lledó wrote:
> Correct me if I'm wrong: nested arbiters would fail here, right? An
> arbiter launched from a user (non-root) having permissions over the IO
> file should be able to get the port and handle it to it's clients. Then
> we need the fallback mechanism to RPC the master arbiter when this is a
> nested arbiter. Just mentioning, no need to be in this patch, though.
Yes, we need to make it call into pciaccess to make the io request,
however we need the RPC to exist first so we can add it to libpciaccess.
I think this change should be ok to make first without any users of the RPC.
Damien