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Date:   Tue, 3 Mar 2020 18:02:20 +0100
From:   Halil Pasic <pasic@linux.ibm.com>
To:     "Michael S. Tsirkin" <mst@redhat.com>
Cc:     Jason Wang <jasowang@redhat.com>,
        Paolo Bonzini <pbonzini@redhat.com>,
        Stefan Hajnoczi <stefanha@redhat.com>,
        Jens Axboe <axboe@kernel.dk>,
        virtualization@lists.linux-foundation.org,
        linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-s390@vger.kernel.org,
        Christian Borntraeger <borntraeger@de.ibm.com>,
        Viktor Mihajlovski <mihajlov@linux.ibm.com>,
        Cornelia Huck <cohuck@redhat.com>,
        Ram Pai <linuxram@us.ibm.com>,
        Thiago Jung Bauermann <bauerman@linux.ibm.com>,
        "Lendacky, Thomas" <Thomas.Lendacky@amd.com>
Subject: Re: [PATCH 0/2] virtio-blk: improve handling of DMA mapping
 failures
In-Reply-To: <20200303094909-mutt-send-email-mst@kernel.org>
References: <20200213123728.61216-1-pasic@linux.ibm.com>
        <20200303151252.59d45e86.pasic@linux.ibm.com>
        <20200303094909-mutt-send-email-mst@kernel.org>
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On Tue, 3 Mar 2020 09:49:21 -0500
"Michael S. Tsirkin" <mst@redhat.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@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
> 
> I've queued this, thanks!
> 

Thank you!