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KVM call minutes for 2020-01-14
From: |
Juan Quintela |
Subject: |
KVM call minutes for 2020-01-14 |
Date: |
Tue, 14 Jan 2020 16:19:02 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) |
Hi
This notes are very terse because the discussion was quite technical and
I am not familiar with this part of qemu. Feel free to fill this.
- libmuser:
* Take all the complication of implementing the device
* support several transport types?
* mediated devices
* tcp or rdma connection
* VMI vs VMF
* SPDK
* Oracle move from unix socket to muser
* Will we use it over kernel or over userspace?
* For polling we are single process
* How do handle recovery, outside process can have quite a bit of state
- multi-process
* trying to integrate multiuser + muser
* look if their vision is ok with qemu expectations
* one continue with muser kernel module
* other is vfio over unix socket
* preferrence is going vfio over unix socket
this allows all implementations work
- out of tree device
* problematic
* require to link with qemu
* what about dpdk and other external
* other appoarch: vfio with outside device
- vfio over sockets
* who is doing that work?
* felipe prototype it long ago
- best way to get this multiprocess in
* they have worked on this for a long time
* no idea about how to go from there
Later, Juan.
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