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Date: Tue, 3 Mar 2020 15:12:52 +0100
From: Halil Pasic <pasic@...ux.ibm.com>
To: "Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>
Cc: Paolo Bonzini <pbonzini@...hat.com>,
Stefan Hajnoczi <stefanha@...hat.com>,
Jens Axboe <axboe@...nel.dk>,
virtualization@...ts.linux-foundation.org,
linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-s390@...r.kernel.org,
Christian Borntraeger <borntraeger@...ibm.com>,
Viktor Mihajlovski <mihajlov@...ux.ibm.com>,
Cornelia Huck <cohuck@...hat.com>,
Ram Pai <linuxram@...ibm.com>,
Thiago Jung Bauermann <bauerman@...ux.ibm.com>,
"Lendacky, Thomas" <Thomas.Lendacky@....com>
Subject: Re: [PATCH 0/2] virtio-blk: improve handling of DMA mapping
failures
On Thu, 13 Feb 2020 13:37:26 +0100
Halil Pasic <pasic@...ux.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
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