[PATCH v10 10/17] virtio: Handle device reset failure in register_virtio_device()

Jason Wang
Wed, 04 Aug 2021 08:32:39 -0000

? 2021/8/3 ??5:38, Yongji Xie ??:
> On Tue, Aug 3, 2021 at 4:09 PM Jason Wang <jasowang at redhat.com>
wrote:
>>
>> ? 2021/7/29 ??3:34, Xie Yongji ??:
>>> The device reset may fail in virtio-vdpa case now, so add checks to
>>> its return value and fail the register_virtio_device().
>>
>> So the reset() would be called by the driver during remove as well, or
>> is it sufficient to deal only with the reset during probe?
>>
> Actually there is no way to handle failure during removal. And it
> should be safe with the protection of software IOTLB even if the
> reset() fails.
>
> Thanks,
> Yongji


If this is true, does it mean we don't even need to care about reset
failure?

Thanks