Messages in this thread | | | Date | Tue, 27 Dec 2022 04:31:08 -0500 | From | "Michael S. Tsirkin" <> | Subject | Re: [PATCH 4/4] virtio-net: sleep instead of busy waiting for cvq command |
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On Tue, Dec 27, 2022 at 05:17:20PM +0800, Jason Wang wrote: > > > > In particular, we will also directly break the device. > > > It's kind of hardening for malicious devices. > > ATM no amount of hardening can prevent a malicious hypervisor from > > blocking the guest. Recovering when a hardware device is broken would be > > nice but I think if we do bother then we should try harder to recover, > > such as by driving device reset. > > > Probably, but as discussed in another thread, it needs co-operation in the > upper layer (networking core).
To track all state? Yea, maybe. For sure it's doable just in virtio, but if you can find 1-2 other drivers that do this internally then factoring this out to net core will likely be accepted.
-- MST
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