From: "Tian, Kevin" <kevin.tian@intel.com> To: Jason Gunthorpe <jgg@nvidia.com>, David Gibson <david@gibson.dropbear.id.au> Cc: LKML <linux-kernel@vger.kernel.org>, Joerg Roedel <joro@8bytes.org>, "Lu Baolu" <baolu.lu@linux.intel.com>, David Woodhouse <dwmw2@infradead.org>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Alex Williamson (alex.williamson@redhat.com)" <alex.williamson@redhat.com>, Jason Wang <jasowang@redhat.com>, Eric Auger <eric.auger@redhat.com>, Jonathan Corbet <corbet@lwn.net>, "Raj, Ashok" <ashok.raj@intel.com>, "Liu, Yi L" <yi.l.liu@intel.com>, "Wu, Hao" <hao.wu@intel.com>, "Jiang, Dave" <dave.jiang@intel.com>, Jacob Pan <jacob.jun.pan@linux.intel.com>, Jean-Philippe Brucker <jean-philippe@linaro.org>, Kirti Wankhede <kwankhede@nvidia.com>, Robin Murphy <robin.murphy@arm.com> Subject: RE: [RFC] /dev/ioasid uAPI proposal Date: Thu, 3 Jun 2021 03:02:05 +0000 [thread overview] Message-ID: <MWHPR11MB18862A625FD6BED5ABE2D21E8C3C9@MWHPR11MB1886.namprd11.prod.outlook.com> (raw) In-Reply-To: <20210602171930.GB1002214@nvidia.com> > From: Jason Gunthorpe <jgg@nvidia.com> > Sent: Thursday, June 3, 2021 1:20 AM > [...] > > I wonder if there's a way to model this using a nested AS rather than > > requiring special operations. e.g. > > > > 'prereg' IOAS > > | > > \- 'rid' IOAS > > | > > \- 'pasid' IOAS (maybe) > > > > 'prereg' would have a kernel managed pagetable into which (for > > example) qemu platform code would map all guest memory (using > > IOASID_MAP_DMA). qemu's vIOMMU driver would then mirror the guest's > > IO mappings into the 'rid' IOAS in terms of GPA. > > > > This wouldn't quite work as is, because the 'prereg' IOAS would have > > no devices. But we could potentially have another call to mark an > > IOAS as a purely "preregistration" or pure virtual IOAS. Using that > > would be an alternative to attaching devices. > > It is one option for sure, this is where I was thinking when we were > talking in the other thread. I think the decision is best > implementation driven as the datastructure to store the > preregsitration data should be rather purpose built. Yes. For now I prefer to managing prereg through a separate cmd instead of special-casing it in the IOASID graph. Anyway this is sort of a per-fd thing. > > > > /* > > > * Map/unmap process virtual addresses to I/O virtual addresses. > > > * > > > * Provide VFIO type1 equivalent semantics. Start with the same > > > * restriction e.g. the unmap size should match those used in the > > > * original mapping call. > > > * > > > * If IOASID_REGISTER_MEMORY has been called, the mapped vaddr > > > * must be already in the preregistered list. > > > * > > > * Input parameters: > > > * - u32 ioasid; > > > * - refer to vfio_iommu_type1_dma_{un}map > > > * > > > * Return: 0 on success, -errno on failure. > > > */ > > > #define IOASID_MAP_DMA _IO(IOASID_TYPE, IOASID_BASE + 6) > > > #define IOASID_UNMAP_DMA _IO(IOASID_TYPE, IOASID_BASE + 7) > > > > I'm assuming these would be expected to fail if a user managed > > pagetable has been bound? > > Me too, or a SVA page table. > > This document would do well to have a list of imagined page table > types and the set of operations that act on them. I think they are all > pretty disjoint.. > > Your presentation of 'kernel owns the table' vs 'userspace owns the > table' is a useful clarification to call out too sure, I incorporated this comment in last reply. > > > > 5. Use Cases and Flows > > > > > > Here assume VFIO will support a new model where every bound device > > > is explicitly listed under /dev/vfio thus a device fd can be acquired w/o > > > going through legacy container/group interface. For illustration purpose > > > those devices are just called dev[1...N]: > > > > > > device_fd[1...N] = open("/dev/vfio/devices/dev[1...N]", mode); > > > > Minor detail, but I'd suggest /dev/vfio/pci/DDDD:BB:SS.F for the > > filenames for actual PCI functions. Maybe /dev/vfio/mdev/something > > for mdevs. That leaves other subdirs of /dev/vfio free for future > > non-PCI device types, and /dev/vfio itself for the legacy group > > devices. > > There are a bunch of nice options here if we go this path Yes, this part is only roughly visited to focus on /dev/iommu first. In later versions it will be considered more seriously. > > > > 5.2. Multiple IOASIDs (no nesting) > > > ++++++++++++++++++++++++++++ > > > > > > Dev1 and dev2 are assigned to the guest. vIOMMU is enabled. Initially > > > both devices are attached to gpa_ioasid. > > > > Doesn't really affect your example, but note that the PAPR IOMMU does > > not have a passthrough mode, so devices will not initially be attached > > to gpa_ioasid - they will be unusable for DMA until attached to a > > gIOVA ioasid. 'initially' here is still user-requested action. For PAPR you should do attach only when it's necessary. Thanks Kevin
WARNING: multiple messages have this Message-ID (diff)
From: "Tian, Kevin" <kevin.tian@intel.com> To: Jason Gunthorpe <jgg@nvidia.com>, David Gibson <david@gibson.dropbear.id.au> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>, "Alex Williamson \(alex.williamson@redhat.com\)" <alex.williamson@redhat.com>, "Raj, Ashok" <ashok.raj@intel.com>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, Jonathan Corbet <corbet@lwn.net>, Robin Murphy <robin.murphy@arm.com>, LKML <linux-kernel@vger.kernel.org>, Kirti Wankhede <kwankhede@nvidia.com>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, "Jiang, Dave" <dave.jiang@intel.com>, David Woodhouse <dwmw2@infradead.org>, Jason Wang <jasowang@redhat.com> Subject: RE: [RFC] /dev/ioasid uAPI proposal Date: Thu, 3 Jun 2021 03:02:05 +0000 [thread overview] Message-ID: <MWHPR11MB18862A625FD6BED5ABE2D21E8C3C9@MWHPR11MB1886.namprd11.prod.outlook.com> (raw) In-Reply-To: <20210602171930.GB1002214@nvidia.com> > From: Jason Gunthorpe <jgg@nvidia.com> > Sent: Thursday, June 3, 2021 1:20 AM > [...] > > I wonder if there's a way to model this using a nested AS rather than > > requiring special operations. e.g. > > > > 'prereg' IOAS > > | > > \- 'rid' IOAS > > | > > \- 'pasid' IOAS (maybe) > > > > 'prereg' would have a kernel managed pagetable into which (for > > example) qemu platform code would map all guest memory (using > > IOASID_MAP_DMA). qemu's vIOMMU driver would then mirror the guest's > > IO mappings into the 'rid' IOAS in terms of GPA. > > > > This wouldn't quite work as is, because the 'prereg' IOAS would have > > no devices. But we could potentially have another call to mark an > > IOAS as a purely "preregistration" or pure virtual IOAS. Using that > > would be an alternative to attaching devices. > > It is one option for sure, this is where I was thinking when we were > talking in the other thread. I think the decision is best > implementation driven as the datastructure to store the > preregsitration data should be rather purpose built. Yes. For now I prefer to managing prereg through a separate cmd instead of special-casing it in the IOASID graph. Anyway this is sort of a per-fd thing. > > > > /* > > > * Map/unmap process virtual addresses to I/O virtual addresses. > > > * > > > * Provide VFIO type1 equivalent semantics. Start with the same > > > * restriction e.g. the unmap size should match those used in the > > > * original mapping call. > > > * > > > * If IOASID_REGISTER_MEMORY has been called, the mapped vaddr > > > * must be already in the preregistered list. > > > * > > > * Input parameters: > > > * - u32 ioasid; > > > * - refer to vfio_iommu_type1_dma_{un}map > > > * > > > * Return: 0 on success, -errno on failure. > > > */ > > > #define IOASID_MAP_DMA _IO(IOASID_TYPE, IOASID_BASE + 6) > > > #define IOASID_UNMAP_DMA _IO(IOASID_TYPE, IOASID_BASE + 7) > > > > I'm assuming these would be expected to fail if a user managed > > pagetable has been bound? > > Me too, or a SVA page table. > > This document would do well to have a list of imagined page table > types and the set of operations that act on them. I think they are all > pretty disjoint.. > > Your presentation of 'kernel owns the table' vs 'userspace owns the > table' is a useful clarification to call out too sure, I incorporated this comment in last reply. > > > > 5. Use Cases and Flows > > > > > > Here assume VFIO will support a new model where every bound device > > > is explicitly listed under /dev/vfio thus a device fd can be acquired w/o > > > going through legacy container/group interface. For illustration purpose > > > those devices are just called dev[1...N]: > > > > > > device_fd[1...N] = open("/dev/vfio/devices/dev[1...N]", mode); > > > > Minor detail, but I'd suggest /dev/vfio/pci/DDDD:BB:SS.F for the > > filenames for actual PCI functions. Maybe /dev/vfio/mdev/something > > for mdevs. That leaves other subdirs of /dev/vfio free for future > > non-PCI device types, and /dev/vfio itself for the legacy group > > devices. > > There are a bunch of nice options here if we go this path Yes, this part is only roughly visited to focus on /dev/iommu first. In later versions it will be considered more seriously. > > > > 5.2. Multiple IOASIDs (no nesting) > > > ++++++++++++++++++++++++++++ > > > > > > Dev1 and dev2 are assigned to the guest. vIOMMU is enabled. Initially > > > both devices are attached to gpa_ioasid. > > > > Doesn't really affect your example, but note that the PAPR IOMMU does > > not have a passthrough mode, so devices will not initially be attached > > to gpa_ioasid - they will be unusable for DMA until attached to a > > gIOVA ioasid. 'initially' here is still user-requested action. For PAPR you should do attach only when it's necessary. Thanks Kevin _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-06-03 3:05 UTC|newest] Thread overview: 518+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-27 7:58 [RFC] /dev/ioasid uAPI proposal Tian, Kevin 2021-05-27 7:58 ` Tian, Kevin 2021-05-28 2:24 ` Jason Wang 2021-05-28 2:24 ` Jason Wang 2021-05-28 20:25 ` Jason Gunthorpe 2021-05-28 20:25 ` Jason Gunthorpe 2021-05-31 8:41 ` Liu Yi L 2021-06-01 2:36 ` Jason Wang 2021-06-01 2:36 ` Jason Wang 2021-06-01 3:31 ` Liu Yi L 2021-06-01 5:08 ` Jason Wang 2021-06-01 5:08 ` Jason Wang 2021-06-01 5:23 ` Lu Baolu 2021-06-01 5:23 ` Lu Baolu 2021-06-01 5:29 ` Jason Wang 2021-06-01 5:29 ` Jason Wang 2021-06-01 5:42 ` Tian, Kevin 2021-06-01 5:42 ` Tian, Kevin 2021-06-01 6:07 ` Jason Wang 2021-06-01 6:07 ` Jason Wang 2021-06-01 6:16 ` Tian, Kevin 2021-06-01 6:16 ` Tian, Kevin 2021-06-01 8:47 ` Jason Wang 2021-06-01 8:47 ` Jason Wang 2021-06-01 17:31 ` Jason Gunthorpe 2021-06-01 17:31 ` Jason Gunthorpe 2021-06-02 8:54 ` Jason Wang 2021-06-02 8:54 ` Jason Wang 2021-06-02 17:21 ` Jason Gunthorpe 2021-06-02 17:21 ` Jason Gunthorpe 2021-06-07 13:30 ` Enrico Weigelt, metux IT consult 2021-06-07 13:30 ` Enrico Weigelt, metux IT consult 2021-06-07 18:01 ` Jason Gunthorpe 2021-06-07 18:01 ` Jason Gunthorpe 2021-06-08 10:45 ` Enrico Weigelt, metux IT consult 2021-06-08 10:45 ` Enrico Weigelt, metux IT consult 2021-06-10 2:16 ` Jason Wang 2021-06-10 2:16 ` Jason Wang 2021-06-08 1:10 ` Jason Wang 2021-06-08 1:10 ` Jason Wang 2021-06-08 13:20 ` Jason Gunthorpe 2021-06-08 13:20 ` Jason Gunthorpe 2021-06-10 2:00 ` Jason Wang 2021-06-10 2:00 ` Jason Wang 2021-06-10 4:03 ` Jason Wang 2021-06-10 4:03 ` Jason Wang 2021-06-10 11:47 ` Jason Gunthorpe 2021-06-10 11:47 ` Jason Gunthorpe 2021-06-11 5:43 ` Jason Wang 2021-06-11 5:43 ` Jason Wang 2021-06-01 17:29 ` Jason Gunthorpe 2021-06-01 17:29 ` Jason Gunthorpe 2021-06-02 8:58 ` Jason Wang 2021-06-02 8:58 ` Jason Wang 2021-06-01 4:27 ` Shenming Lu 2021-06-01 4:27 ` Shenming Lu 2021-06-01 5:10 ` Jason Wang 2021-06-01 5:10 ` Jason Wang 2021-05-28 16:23 ` Jean-Philippe Brucker 2021-05-28 16:23 ` Jean-Philippe Brucker 2021-05-28 20:16 ` Jason Gunthorpe 2021-05-28 20:16 ` Jason Gunthorpe 2021-06-01 7:50 ` Tian, Kevin 2021-06-01 7:50 ` Tian, Kevin 2021-05-28 17:35 ` Jason Gunthorpe 2021-05-28 17:35 ` Jason Gunthorpe 2021-06-01 8:10 ` Tian, Kevin 2021-06-01 8:10 ` Tian, Kevin 2021-06-01 17:42 ` Jason Gunthorpe 2021-06-01 17:42 ` Jason Gunthorpe 2021-06-02 1:33 ` Tian, Kevin 2021-06-02 1:33 ` Tian, Kevin 2021-06-02 16:09 ` Jason Gunthorpe 2021-06-02 16:09 ` Jason Gunthorpe 2021-06-03 1:29 ` Tian, Kevin 2021-06-03 1:29 ` Tian, Kevin 2021-06-03 5:09 ` David Gibson 2021-06-03 5:09 ` David Gibson 2021-06-03 6:49 ` Tian, Kevin 2021-06-03 6:49 ` Tian, Kevin 2021-06-03 11:47 ` Jason Gunthorpe 2021-06-03 11:47 ` Jason Gunthorpe 2021-06-04 2:15 ` Tian, Kevin 2021-06-04 2:15 ` Tian, Kevin 2021-06-08 0:49 ` David Gibson 2021-06-08 0:49 ` David Gibson 2021-06-09 2:52 ` Tian, Kevin 2021-06-09 2:52 ` Tian, Kevin 2021-06-02 6:32 ` David Gibson 2021-06-02 6:32 ` David Gibson 2021-06-02 16:16 ` Jason Gunthorpe 2021-06-02 16:16 ` Jason Gunthorpe 2021-06-03 2:11 ` Tian, Kevin 2021-06-03 2:11 ` Tian, Kevin 2021-06-03 5:13 ` David Gibson 2021-06-03 5:13 ` David Gibson 2021-06-03 11:52 ` Jason Gunthorpe 2021-06-03 11:52 ` Jason Gunthorpe 2021-06-08 0:53 ` David Gibson 2021-06-08 0:53 ` David Gibson 2021-06-08 19:04 ` Jason Gunthorpe 2021-06-08 19:04 ` Jason Gunthorpe 2021-06-17 2:42 ` David Gibson 2021-06-17 2:42 ` David Gibson 2021-05-28 19:58 ` Jason Gunthorpe 2021-05-28 19:58 ` Jason Gunthorpe 2021-06-01 8:38 ` Tian, Kevin 2021-06-01 8:38 ` Tian, Kevin 2021-06-01 17:56 ` Jason Gunthorpe 2021-06-01 17:56 ` Jason Gunthorpe 2021-06-02 2:00 ` Tian, Kevin 2021-06-02 2:00 ` Tian, Kevin 2021-06-02 6:57 ` David Gibson 2021-06-02 6:57 ` David Gibson 2021-06-02 16:37 ` Jason Gunthorpe 2021-06-02 16:37 ` Jason Gunthorpe 2021-06-03 5:23 ` David Gibson 2021-06-03 5:23 ` David Gibson 2021-06-03 12:28 ` Jason Gunthorpe 2021-06-03 12:28 ` Jason Gunthorpe 2021-06-08 6:04 ` David Gibson 2021-06-08 6:04 ` David Gibson 2021-06-08 19:23 ` Jason Gunthorpe 2021-06-08 19:23 ` Jason Gunthorpe 2021-06-02 6:48 ` David Gibson 2021-06-02 6:48 ` David Gibson 2021-06-02 16:58 ` Jason Gunthorpe 2021-06-02 16:58 ` Jason Gunthorpe 2021-06-03 2:49 ` Tian, Kevin 2021-06-03 2:49 ` Tian, Kevin 2021-06-03 5:48 ` David Gibson 2021-06-03 5:48 ` David Gibson 2021-06-03 5:45 ` David Gibson 2021-06-03 5:45 ` David Gibson 2021-06-03 12:11 ` Jason Gunthorpe 2021-06-03 12:11 ` Jason Gunthorpe 2021-06-04 6:08 ` Tian, Kevin 2021-06-04 6:08 ` Tian, Kevin 2021-06-04 12:33 ` Jason Gunthorpe 2021-06-04 12:33 ` Jason Gunthorpe 2021-06-04 23:20 ` Tian, Kevin 2021-06-04 23:20 ` Tian, Kevin 2021-06-08 6:13 ` David Gibson 2021-06-08 6:13 ` David Gibson 2021-06-04 10:24 ` Jean-Philippe Brucker 2021-06-04 10:24 ` Jean-Philippe Brucker 2021-06-04 12:05 ` Jason Gunthorpe 2021-06-04 12:05 ` Jason Gunthorpe 2021-06-04 17:27 ` Jacob Pan 2021-06-04 17:27 ` Jacob Pan 2021-06-04 17:40 ` Jason Gunthorpe 2021-06-04 17:40 ` Jason Gunthorpe 2021-06-08 6:31 ` David Gibson 2021-06-08 6:31 ` David Gibson 2021-06-10 16:37 ` Jean-Philippe Brucker 2021-06-10 16:37 ` Jean-Philippe Brucker 2021-06-17 3:00 ` David Gibson 2021-06-17 3:00 ` David Gibson 2021-06-18 17:03 ` Jean-Philippe Brucker 2021-06-18 17:03 ` Jean-Philippe Brucker 2021-06-18 18:30 ` Jason Gunthorpe 2021-06-18 18:30 ` Jason Gunthorpe 2021-06-23 8:19 ` Tian, Kevin 2021-06-23 8:19 ` Tian, Kevin 2021-06-23 7:57 ` Tian, Kevin 2021-06-23 7:57 ` Tian, Kevin 2021-06-24 3:49 ` David Gibson 2021-06-24 3:49 ` David Gibson 2021-05-28 20:03 ` Jason Gunthorpe 2021-05-28 20:03 ` Jason Gunthorpe 2021-06-01 7:01 ` Tian, Kevin 2021-06-01 7:01 ` Tian, Kevin 2021-06-01 20:28 ` Jason Gunthorpe 2021-06-01 20:28 ` Jason Gunthorpe 2021-06-02 1:25 ` Tian, Kevin 2021-06-02 1:25 ` Tian, Kevin 2021-06-02 23:27 ` Jason Gunthorpe 2021-06-02 23:27 ` Jason Gunthorpe 2021-06-04 8:17 ` Jean-Philippe Brucker 2021-06-04 8:17 ` Jean-Philippe Brucker 2021-06-04 8:43 ` Tian, Kevin 2021-06-04 8:43 ` Tian, Kevin 2021-06-02 8:52 ` Jason Wang 2021-06-02 8:52 ` Jason Wang 2021-06-02 16:07 ` Jason Gunthorpe 2021-06-02 16:07 ` Jason Gunthorpe 2021-06-01 22:22 ` Alex Williamson 2021-06-01 22:22 ` Alex Williamson 2021-06-02 2:20 ` Tian, Kevin 2021-06-02 2:20 ` Tian, Kevin 2021-06-02 16:01 ` Jason Gunthorpe 2021-06-02 16:01 ` Jason Gunthorpe 2021-06-02 17:11 ` Alex Williamson 2021-06-02 17:11 ` Alex Williamson 2021-06-02 17:35 ` Jason Gunthorpe 2021-06-02 17:35 ` Jason Gunthorpe 2021-06-02 18:01 ` Alex Williamson 2021-06-02 18:01 ` Alex Williamson 2021-06-02 18:09 ` Jason Gunthorpe 2021-06-02 18:09 ` Jason Gunthorpe 2021-06-02 19:00 ` Alex Williamson 2021-06-02 19:00 ` Alex Williamson 2021-06-02 19:54 ` Jason Gunthorpe 2021-06-02 19:54 ` Jason Gunthorpe 2021-06-02 20:37 ` Alex Williamson 2021-06-02 20:37 ` Alex Williamson 2021-06-02 22:45 ` Jason Gunthorpe 2021-06-02 22:45 ` Jason Gunthorpe 2021-06-03 2:50 ` Alex Williamson 2021-06-03 2:50 ` Alex Williamson 2021-06-03 3:22 ` Tian, Kevin 2021-06-03 3:22 ` Tian, Kevin 2021-06-03 4:14 ` Alex Williamson 2021-06-03 4:14 ` Alex Williamson 2021-06-03 5:18 ` Tian, Kevin 2021-06-03 5:18 ` Tian, Kevin 2021-06-03 12:40 ` Jason Gunthorpe 2021-06-03 12:40 ` Jason Gunthorpe 2021-06-03 20:41 ` Alex Williamson 2021-06-03 20:41 ` Alex Williamson 2021-06-04 9:19 ` Tian, Kevin 2021-06-04 9:19 ` Tian, Kevin 2021-06-04 15:37 ` Alex Williamson 2021-06-04 15:37 ` Alex Williamson 2021-06-04 12:13 ` Jason Gunthorpe 2021-06-04 12:13 ` Jason Gunthorpe 2021-06-04 21:45 ` Alex Williamson 2021-06-04 21:45 ` Alex Williamson 2021-06-04 7:33 ` Tian, Kevin 2021-06-04 7:33 ` Tian, Kevin 2021-06-03 12:34 ` Jason Gunthorpe 2021-06-03 12:34 ` Jason Gunthorpe 2021-06-03 20:01 ` Alex Williamson 2021-06-03 20:01 ` Alex Williamson 2021-06-03 20:10 ` Jason Gunthorpe 2021-06-03 20:10 ` Jason Gunthorpe 2021-06-03 21:44 ` Alex Williamson 2021-06-03 21:44 ` Alex Williamson 2021-06-04 8:38 ` Tian, Kevin 2021-06-04 8:38 ` Tian, Kevin 2021-06-04 12:28 ` Jason Gunthorpe 2021-06-04 12:28 ` Jason Gunthorpe 2021-06-04 15:26 ` Alex Williamson 2021-06-04 15:26 ` Alex Williamson 2021-06-04 15:40 ` Paolo Bonzini 2021-06-04 15:40 ` Paolo Bonzini 2021-06-04 15:50 ` Jason Gunthorpe 2021-06-04 15:50 ` Jason Gunthorpe 2021-06-04 15:57 ` Paolo Bonzini 2021-06-04 15:57 ` Paolo Bonzini 2021-06-04 16:03 ` Jason Gunthorpe 2021-06-04 16:03 ` Jason Gunthorpe 2021-06-04 16:10 ` Paolo Bonzini 2021-06-04 16:10 ` Paolo Bonzini 2021-06-04 17:22 ` Jason Gunthorpe 2021-06-04 17:22 ` Jason Gunthorpe 2021-06-04 21:29 ` Alex Williamson 2021-06-04 21:29 ` Alex Williamson 2021-06-04 23:01 ` Jason Gunthorpe 2021-06-04 23:01 ` Jason Gunthorpe 2021-06-07 15:41 ` Alex Williamson 2021-06-07 15:41 ` Alex Williamson 2021-06-07 18:18 ` Jason Gunthorpe 2021-06-07 18:18 ` Jason Gunthorpe 2021-06-07 18:59 ` Alex Williamson 2021-06-07 18:59 ` Alex Williamson 2021-06-07 19:08 ` Jason Gunthorpe 2021-06-07 19:08 ` Jason Gunthorpe 2021-06-07 19:41 ` Alex Williamson 2021-06-07 19:41 ` Alex Williamson 2021-06-07 23:03 ` Jason Gunthorpe 2021-06-07 23:03 ` Jason Gunthorpe 2021-06-08 0:30 ` Alex Williamson 2021-06-08 0:30 ` Alex Williamson 2021-06-08 1:20 ` Jason Wang 2021-06-08 1:20 ` Jason Wang 2021-06-30 6:53 ` Christoph Hellwig 2021-06-30 6:53 ` Christoph Hellwig 2021-06-30 6:49 ` Christoph Hellwig 2021-06-30 6:49 ` Christoph Hellwig 2021-06-07 3:25 ` Tian, Kevin 2021-06-07 3:25 ` Tian, Kevin 2021-06-07 6:51 ` Paolo Bonzini 2021-06-07 6:51 ` Paolo Bonzini 2021-06-07 18:01 ` Jason Gunthorpe 2021-06-07 18:01 ` Jason Gunthorpe 2021-06-30 6:56 ` Christoph Hellwig 2021-06-30 6:56 ` Christoph Hellwig 2021-06-05 6:22 ` Paolo Bonzini 2021-06-05 6:22 ` Paolo Bonzini 2021-06-07 3:50 ` Tian, Kevin 2021-06-07 3:50 ` Tian, Kevin 2021-06-07 17:59 ` Jason Gunthorpe 2021-06-07 17:59 ` Jason Gunthorpe 2021-06-08 7:56 ` Paolo Bonzini 2021-06-08 7:56 ` Paolo Bonzini 2021-06-08 13:15 ` Jason Gunthorpe 2021-06-08 13:15 ` Jason Gunthorpe 2021-06-08 13:44 ` Paolo Bonzini 2021-06-08 13:44 ` Paolo Bonzini 2021-06-08 18:47 ` Alex Williamson 2021-06-08 18:47 ` Alex Williamson 2021-06-08 19:00 ` Jason Gunthorpe 2021-06-08 19:00 ` Jason Gunthorpe 2021-06-09 8:51 ` Enrico Weigelt, metux IT consult 2021-06-09 8:51 ` Enrico Weigelt, metux IT consult 2021-06-09 9:11 ` Paolo Bonzini 2021-06-09 9:11 ` Paolo Bonzini 2021-06-09 11:54 ` Jason Gunthorpe 2021-06-09 11:54 ` Jason Gunthorpe 2021-06-09 14:31 ` Alex Williamson 2021-06-09 14:31 ` Alex Williamson 2021-06-09 14:45 ` Jason Gunthorpe 2021-06-09 14:45 ` Jason Gunthorpe 2021-06-09 15:20 ` Paolo Bonzini 2021-06-09 15:20 ` Paolo Bonzini 2021-10-27 6:18 ` Tian, Kevin 2021-10-27 6:18 ` Tian, Kevin 2021-10-27 10:32 ` Paolo Bonzini 2021-10-27 10:32 ` Paolo Bonzini 2021-10-28 1:50 ` Tian, Kevin 2021-10-28 1:50 ` Tian, Kevin 2021-06-09 2:49 ` Tian, Kevin 2021-06-09 2:49 ` Tian, Kevin 2021-06-09 11:57 ` Jason Gunthorpe 2021-06-09 11:57 ` Jason Gunthorpe 2021-06-09 12:46 ` Paolo Bonzini 2021-06-09 12:46 ` Paolo Bonzini 2021-06-09 12:47 ` Jason Gunthorpe 2021-06-09 12:47 ` Jason Gunthorpe 2021-06-09 13:24 ` Paolo Bonzini 2021-06-09 13:24 ` Paolo Bonzini 2021-06-09 14:32 ` Jason Gunthorpe 2021-06-09 14:32 ` Jason Gunthorpe 2021-06-30 7:01 ` Christoph Hellwig 2021-06-30 7:01 ` Christoph Hellwig 2021-06-09 18:09 ` Alex Williamson 2021-06-09 18:09 ` Alex Williamson 2021-06-03 2:52 ` Jason Wang 2021-06-03 2:52 ` Jason Wang 2021-06-03 13:09 ` Jason Gunthorpe 2021-06-03 13:09 ` Jason Gunthorpe 2021-06-04 1:11 ` Jason Wang 2021-06-04 1:11 ` Jason Wang 2021-06-04 11:58 ` Jason Gunthorpe 2021-06-04 11:58 ` Jason Gunthorpe 2021-06-07 3:18 ` Jason Wang 2021-06-07 3:18 ` Jason Wang 2021-06-07 14:14 ` Jason Gunthorpe 2021-06-07 14:14 ` Jason Gunthorpe 2021-06-08 1:00 ` Jason Wang 2021-06-08 1:00 ` Jason Wang 2021-06-08 8:54 ` Enrico Weigelt, metux IT consult 2021-06-08 8:54 ` Enrico Weigelt, metux IT consult 2021-06-08 12:52 ` Jason Gunthorpe 2021-06-08 12:52 ` Jason Gunthorpe 2021-06-30 7:07 ` Christoph Hellwig 2021-06-30 7:07 ` Christoph Hellwig 2021-06-30 7:05 ` Christoph Hellwig 2021-06-30 7:05 ` Christoph Hellwig 2021-06-08 2:37 ` David Gibson 2021-06-08 2:37 ` David Gibson 2021-06-08 13:17 ` Jason Gunthorpe 2021-06-08 13:17 ` Jason Gunthorpe 2021-06-17 3:47 ` David Gibson 2021-06-17 3:47 ` David Gibson 2021-06-23 7:59 ` Tian, Kevin 2021-06-23 7:59 ` Tian, Kevin 2021-06-24 3:53 ` David Gibson 2021-06-24 3:53 ` David Gibson 2021-05-28 23:36 ` Jason Gunthorpe 2021-05-28 23:36 ` Jason Gunthorpe 2021-05-31 11:31 ` Liu Yi L 2021-05-31 11:31 ` Liu Yi L 2021-05-31 18:09 ` Jason Gunthorpe 2021-05-31 18:09 ` Jason Gunthorpe 2021-06-01 3:08 ` Lu Baolu 2021-06-01 3:08 ` Lu Baolu 2021-06-01 17:24 ` Jason Gunthorpe 2021-06-01 17:24 ` Jason Gunthorpe 2021-06-01 1:25 ` Lu Baolu 2021-06-01 1:25 ` Lu Baolu 2021-06-01 11:09 ` Lu Baolu 2021-06-01 11:09 ` Lu Baolu 2021-06-01 17:26 ` Jason Gunthorpe 2021-06-01 17:26 ` Jason 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