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Fri, 25 Aug 2023 18:26:51 +0000 (GMT) Message-ID: <240c26d3-b821-8410-3142-62e9a8656146@linux.ibm.com> Date: Fri, 25 Aug 2023 14:26:51 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 Subject: Re: [PATCH v12 0/6] iommu/dma: s390 DMA API conversion and optimized IOTLB flushing Content-Language: en-US To: Niklas Schnelle , Joerg Roedel , Will Deacon , Wenjia Zhang , Robin Murphy , Jason Gunthorpe Cc: Gerd Bayer , Julian Ruess , Pierre Morel , Alexandra Winter , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Suravee Suthikulpanit , Hector Martin , Sven Peter , Alyssa Rosenzweig , David Woodhouse , Lu Baolu , Andy Gross , Bjorn Andersson , Konrad Dybcio , Yong Wu , Matthias Brugger , AngeloGioacchino Del Regno , Gerald Schaefer , Orson Zhai , Baolin Wang , Chunyan Zhang , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Thierry Reding , Krishna Reddy , Jonathan Hunter , Jonathan Corbet , linux-s390@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-doc@vger.kernel.org References: <20230825-dma_iommu-v12-0-4134455994a7@linux.ibm.com> From: Matthew Rosato In-Reply-To: <20230825-dma_iommu-v12-0-4134455994a7@linux.ibm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: gJVEk2wQaewkyrtQ9b__FpQB1m2yDbYi X-Proofpoint-ORIG-GUID: plJWB3elhf65jTBHYa7I2-RRr5Ln9Ish X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-25_16,2023-08-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 impostorscore=0 malwarescore=0 mlxlogscore=758 lowpriorityscore=0 clxscore=1015 suspectscore=0 bulkscore=0 adultscore=0 mlxscore=0 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308250162 Precedence: bulk List-ID: X-Mailing-List: linux-s390@vger.kernel.org On 8/25/23 6:11 AM, Niklas Schnelle wrote: > Hi All, > > This patch series converts s390's PCI support from its platform specific DMA > API implementation in arch/s390/pci/pci_dma.c to the common DMA IOMMU layer. > The conversion itself is done in patches 3-4 with patch 2 providing the final > necessary IOMMU driver improvement to handle s390's special IOTLB flush > out-of-resource indication in virtualized environments. The conversion > itself only touches the s390 IOMMU driver and s390 arch code moving over > remaining functions from the s390 DMA API implementation. No changes to > common code are necessary. > I also picked up this latest version and ran various tests with ISM, mlx5 and some NVMe drives. FWIW, I have been including versions of this series in my s390 dev environments for a number of months now and have also been building my s390 pci iommufd nested translation series on top of this, so it's seen quite a bit of testing from me at least. So as far as I'm concerned anyway, this series is ready for -next (after the merge window). Thanks, Matt