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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 3 Mar 2020 17:02:23 -0000 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18878370.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 023H2M4V37880164 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 3 Mar 2020 17:02:22 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id DFC684C052; Tue, 3 Mar 2020 17:02:21 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 823854C04A; Tue, 3 Mar 2020 17:02:21 +0000 (GMT) Received: from oc2783563651 (unknown [9.152.224.80]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 3 Mar 2020 17:02:21 +0000 (GMT) Date: Tue, 3 Mar 2020 18:02:20 +0100 From: Halil Pasic To: "Michael S. Tsirkin" Cc: Jason Wang , Paolo Bonzini , Stefan Hajnoczi , Jens Axboe , virtualization@lists.linux-foundation.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org, Christian Borntraeger , Viktor Mihajlovski , Cornelia Huck , Ram Pai , Thiago Jung Bauermann , "Lendacky, Thomas" 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> Organization: IBM X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.31; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 x-cbid: 20030317-4275-0000-0000-000003A80899 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20030317-4276-0000-0000-000038BD117E Message-Id: <20200303180220.7e38f9fd.pasic@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-03-03_05:2020-03-03,2020-03-03 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 suspectscore=0 spamscore=0 malwarescore=0 adultscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 impostorscore=0 clxscore=1015 phishscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2001150001 definitions=main-2003030116 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Tue, 3 Mar 2020 09:49:21 -0500 "Michael S. Tsirkin" 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 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!