Messages in this thread | | | Subject | Re: [virtio-dev] Re: [RFC] vhost: introduce mdev based hardware vhost backend | From | Paolo Bonzini <> | Date | Tue, 10 Apr 2018 09:51:43 +0200 |
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On 10/04/2018 06:57, Tiwei Bie wrote: >> So you just move the abstraction layer from qemu to kernel, and you still >> need different drivers in kernel for different device interfaces of >> accelerators. This looks even more complex than leaving it in qemu. As you >> said, another idea is to implement userspace vhost backend for accelerators >> which seems easier and could co-work with other parts of qemu without >> inventing new type of messages. > > I'm not quite sure. Do you think it's acceptable to > add various vendor specific hardware drivers in QEMU?
I think so. We have vendor-specific quirks, and at some point there was an idea of using quirks to implement (vendor-specific) live migration support for assigned devices.
Paolo
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