Re: [PATCH 0/2] virtio-blk: improve handling of DMA mapping failures

Halil Pasic
2020-03-03T14:13:07Z

On Thu, 13 Feb 2020 13:37:26 +0100
Halil Pasic <pasic@linux.ibm.com> wrote:

> Two patches are handling new edge cases introduced by doing DMA mappings
> (which can fail) in virtio core.
>
> I stumbled upon this while stress testing I/O for Protected Virtual
> Machines. I deliberately chose a tiny swiotlb size and have generated
> load with fio. With more than one virtio-blk disk in use I experienced
> hangs.
>
> The goal of this series is to fix those hangs.
>
> Halil Pasic (2):
> virtio-blk: fix hw_queue stopped on arbitrary error
> virtio-blk: improve virtqueue error to BLK_STS
>
> drivers/block/virtio_blk.c | 17 ++++++++++++-----
> 1 file changed, 12 insertions(+), 5 deletions(-)
>
>
> base-commit: 39bed42de2e7d74686a2d5a45638d6a5d7e7d473

ping

Hi Michael, hi Jason,

I got some favorable reviews for this, but AFAIK I got nothing form the
maintainers yet.

Is some of you going to pick these?

Regards,
Halil