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Subject: Re: [virtio-dev] Re: [PATCH v1] virtio-mmio: Specify wait needed in driver during reset
在 2021/8/11 下午6:05, Srivatsa Vaddagiri 写道:
* Jason Wang <jasowang@redhat.com> [2021-08-02 14:06:38]:Maybe if it sees status was not read it can just stay in reset state and not exit it?Or I wonder we can use increase the version instead.What should be the guidance for backend/devices here? Go with version 3 only if it requires driver to poll on reset? Otherwise it may break existing setups - lets say Qemu is updated to report version 3 which will break older guest images that understood version 2 - this is despite the same Qemu being capable of serving those guests.
My understanding is that qemu should stick to version 2 since it works fine. Thanks
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