On Thu, Feb 13, 2020 at 01:37:26PM +0100, Halil Pasic 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 > -- > 2.17.1 > Reviewed-by: Stefan Hajnoczi <stefanha@xxxxxxxxxx>
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