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

From: Yongji Xie
Date: Tue Aug 03 2021 - 05:39:19 EST


On Tue, Aug 3, 2021 at 4:09 PM Jason Wang <jasowang@xxxxxxxxxx> wrote:
>
>
> 在 2021/7/29 下午3:34, Xie Yongji 写道:
> > 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