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Date: Tue, 3 Mar 2020 18:02:20 +0100
From: Halil Pasic <pasic@...ux.ibm.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: Jason Wang <jasowang@...hat.com>,
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 Tue, 3 Mar 2020 09:49:21 -0500
"Michael S. Tsirkin" <mst@...hat.com> wrote:
> On Tue, Mar 03, 2020 at 03:12:52PM +0100, Halil Pasic wrote:
> > 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
>
> I've queued this, thanks!
>
Thank you!
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