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[79.180.48.224]) by smtp.gmail.com with ESMTPSA id g8sm3079010qke.1.2020.03.03.06.49.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Mar 2020 06:49:26 -0800 (PST) Date: Tue, 3 Mar 2020 09:49:21 -0500 From: "Michael S. Tsirkin" To: Halil Pasic 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 Message-ID: <20200303094909-mutt-send-email-mst@kernel.org> References: <20200213123728.61216-1-pasic@linux.ibm.com> <20200303151252.59d45e86.pasic@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200303151252.59d45e86.pasic@linux.ibm.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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!