From: Jason Gunthorpe <jgg@nvidia.com> To: "Tian, Kevin" <kevin.tian@intel.com> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>, Alex Williamson <alex.williamson@redhat.com>, "Raj, Ashok" <ashok.raj@intel.com>, Jonathan Corbet <corbet@lwn.net>, Jean-Philippe Brucker <jean-philippe@linaro.com>, LKML <linux-kernel@vger.kernel.org>, "Jiang, Dave" <dave.jiang@intel.com>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, Li Zefan <lizefan@huawei.com>, Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>, "cgroups@vger.kernel.org" <cgroups@vger.kernel.org>, "Wu, Hao" <hao.wu@intel.com>, David Woodhouse <dwmw2@infradead.org>, Jason Wang <jasowang@redhat.com> Subject: Re: [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs Date: Tue, 6 Apr 2021 09:34:51 -0300 [thread overview] Message-ID: <20210406123451.GN7405@nvidia.com> (raw) In-Reply-To: <MWHPR11MB1886CF7C11ECE0396A0215078C769@MWHPR11MB1886.namprd11.prod.outlook.com> On Tue, Apr 06, 2021 at 01:27:15AM +0000, Tian, Kevin wrote: > > and here is one example why using existing VFIO/VDPA interface makes > sense. say dev1 (w/ sva) and dev2 (w/o sva) are placed in a single VFIO > container. Forget about SVA, it is an irrelevant detail of how a PASID is configured. > The container is associated to an iommu domain which contains a > single 2nd-level page table, shared by both devices (when attached > to the domain). This level should be described by an ioasid. > The VFIO MAP operation is applied to the 2nd-level > page table thus naturally applied to both devices. Then userspace > could use /dev/ioasid to further allocate IOASIDs and bind multiple > 1st-level page tables for dev1, nested on the shared 2nd-level page > table. Because if you don't then we enter insane world where a PASID is being created under /dev/ioasid but its translation path flows through setup done by VFIO and the whole user API becomes an incomprehensible mess. How will you even associate the PASID with the other translation?? The entire translation path for any ioasid or PASID should be defined only by /dev/ioasid. Everything else is a legacy API. > If following your suggestion then VFIO must deny VFIO MAP operations > on sva1 (assume userspace should not mix sva1 and sva2 in the same > container and instead use /dev/ioasid to map for sva1)? No, userspace creates an iosaid for the guest physical mapping and passes this ioasid to VFIO PCI which will assign it as the first layer mapping on the RID When PASIDs are allocated the uAPI will be told to logically nested under the first ioasid. When VFIO authorizes a PASID for a RID it checks that all the HW rules are being followed. If there are rules like groups of VFIO devices must always use the same IOASID then VFIO will check these too (and realistically qemu will have only one guest physical map ioasid anyhow) There is no real difference between setting up an IOMMU table for a (RID,PASID) tuple or just a RID. We can do it universally with one interface for all consumers. I wanted this when we were doing VDPA for the first time, now that we are doing pasid and more difficult stuff I view it as essential. Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com> To: "Tian, Kevin" <kevin.tian@intel.com> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>, "Jiang, Dave" <dave.jiang@intel.com>, "Raj, Ashok" <ashok.raj@intel.com>, Jonathan Corbet <corbet@lwn.net>, David Woodhouse <dwmw2@infradead.org>, Jason Wang <jasowang@redhat.com>, LKML <linux-kernel@vger.kernel.org>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, Alex Williamson <alex.williamson@redhat.com>, Li Zefan <lizefan@huawei.com>, Johannes Weiner <hannes@cmpxchg.org>, Tejun Heo <tj@kernel.org>, "cgroups@vger.kernel.org" <cgroups@vger.kernel.org>, Jean-Philippe Brucker <jean-philippe@linaro.com>, "Wu, Hao" <hao.wu@intel.com> Subject: Re: [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs Date: Tue, 6 Apr 2021 09:34:51 -0300 [thread overview] Message-ID: <20210406123451.GN7405@nvidia.com> (raw) In-Reply-To: <MWHPR11MB1886CF7C11ECE0396A0215078C769@MWHPR11MB1886.namprd11.prod.outlook.com> On Tue, Apr 06, 2021 at 01:27:15AM +0000, Tian, Kevin wrote: > > and here is one example why using existing VFIO/VDPA interface makes > sense. say dev1 (w/ sva) and dev2 (w/o sva) are placed in a single VFIO > container. Forget about SVA, it is an irrelevant detail of how a PASID is configured. > The container is associated to an iommu domain which contains a > single 2nd-level page table, shared by both devices (when attached > to the domain). This level should be described by an ioasid. > The VFIO MAP operation is applied to the 2nd-level > page table thus naturally applied to both devices. Then userspace > could use /dev/ioasid to further allocate IOASIDs and bind multiple > 1st-level page tables for dev1, nested on the shared 2nd-level page > table. Because if you don't then we enter insane world where a PASID is being created under /dev/ioasid but its translation path flows through setup done by VFIO and the whole user API becomes an incomprehensible mess. How will you even associate the PASID with the other translation?? The entire translation path for any ioasid or PASID should be defined only by /dev/ioasid. Everything else is a legacy API. > If following your suggestion then VFIO must deny VFIO MAP operations > on sva1 (assume userspace should not mix sva1 and sva2 in the same > container and instead use /dev/ioasid to map for sva1)? No, userspace creates an iosaid for the guest physical mapping and passes this ioasid to VFIO PCI which will assign it as the first layer mapping on the RID When PASIDs are allocated the uAPI will be told to logically nested under the first ioasid. When VFIO authorizes a PASID for a RID it checks that all the HW rules are being followed. If there are rules like groups of VFIO devices must always use the same IOASID then VFIO will check these too (and realistically qemu will have only one guest physical map ioasid anyhow) There is no real difference between setting up an IOMMU table for a (RID,PASID) tuple or just a RID. We can do it universally with one interface for all consumers. I wanted this when we were doing VDPA for the first time, now that we are doing pasid and more difficult stuff I view it as essential. Jason _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-04-06 12:35 UTC|newest] Thread overview: 794+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-02-27 22:01 [PATCH V4 00/18] IOASID extensions for guest SVA Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 01/18] docs: Document IO Address Space ID (IOASID) APIs Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 02/18] iommu/ioasid: Rename ioasid_set_data() Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 03/18] iommu/ioasid: Add a separate function for detach data Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 04/18] iommu/ioasid: Support setting system-wide capacity Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-03-19 0:22 ` Jacob Pan 2021-03-19 0:22 ` Jacob Pan 2021-03-19 0:22 ` Jacob Pan 2021-03-19 9:58 ` Jean-Philippe Brucker 2021-03-19 9:58 ` Jean-Philippe Brucker 2021-03-19 9:58 ` Jean-Philippe Brucker 2021-03-19 12:46 ` Jason Gunthorpe 2021-03-19 12:46 ` Jason Gunthorpe 2021-03-19 12:46 ` Jason Gunthorpe 2021-03-19 13:41 ` Jean-Philippe Brucker 2021-03-19 13:41 ` Jean-Philippe Brucker 2021-03-19 13:41 ` Jean-Philippe Brucker 2021-03-19 13:54 ` Jason Gunthorpe 2021-03-19 13:54 ` Jason Gunthorpe 2021-03-19 13:54 ` Jason Gunthorpe 2021-03-19 18:22 ` Jacob Pan 2021-03-19 18:22 ` Jacob Pan 2021-03-19 18:22 ` Jacob Pan 2021-03-22 9:24 ` Jean-Philippe Brucker 2021-03-22 9:24 ` Jean-Philippe Brucker 2021-03-22 9:24 ` Jean-Philippe Brucker 2021-03-24 17:02 ` Jacob Pan 2021-03-24 17:02 ` Jacob Pan 2021-03-24 17:02 ` Jacob Pan 2021-03-24 17:03 ` Jason Gunthorpe 2021-03-24 17:03 ` Jason Gunthorpe 2021-03-24 17:03 ` Jason Gunthorpe 2021-03-24 22:12 ` Jacob Pan 2021-03-24 22:12 ` Jacob Pan 2021-03-24 22:12 ` Jacob Pan 2021-03-25 10:21 ` Jean-Philippe Brucker 2021-03-25 10:21 ` Jean-Philippe Brucker 2021-03-25 10:21 ` Jean-Philippe Brucker 2021-03-25 17:02 ` Jacob Pan 2021-03-25 17:02 ` Jacob Pan 2021-03-25 17:02 ` Jacob Pan 2021-03-25 17:16 ` Jason Gunthorpe 2021-03-25 17:16 ` Jason Gunthorpe 2021-03-25 17:16 ` Jason Gunthorpe 2021-03-25 18:23 ` Jacob Pan 2021-03-25 18:23 ` Jacob Pan 2021-03-25 18:23 ` Jacob Pan 2021-03-26 8:06 ` Jean-Philippe Brucker 2021-03-26 8:06 ` Jean-Philippe Brucker 2021-03-26 8:06 ` Jean-Philippe Brucker 2021-03-30 13:07 ` Jason Gunthorpe 2021-03-30 13:07 ` Jason Gunthorpe 2021-03-30 13:07 ` Jason Gunthorpe 2021-03-30 13:42 ` Jean-Philippe Brucker 2021-03-30 13:42 ` Jean-Philippe Brucker 2021-03-30 13:42 ` Jean-Philippe Brucker 2021-03-30 13:46 ` Jason Gunthorpe 2021-03-30 13:46 ` Jason Gunthorpe 2021-03-30 13:46 ` Jason Gunthorpe 2021-03-25 10:26 ` Jean-Philippe Brucker 2021-03-25 10:26 ` Jean-Philippe Brucker 2021-03-25 10:26 ` Jean-Philippe Brucker 2021-03-22 12:03 ` Jason Gunthorpe 2021-03-22 12:03 ` Jason Gunthorpe 2021-03-22 12:03 ` Jason Gunthorpe 2021-03-24 19:05 ` Jacob Pan 2021-03-24 19:05 ` Jacob Pan 2021-03-24 19:05 ` Jacob Pan 2021-03-29 16:31 ` Jason Gunthorpe 2021-03-29 16:31 ` Jason Gunthorpe 2021-03-29 16:31 ` Jason Gunthorpe 2021-03-29 22:55 ` Jacob Pan 2021-03-29 22:55 ` Jacob Pan 2021-03-29 22:55 ` Jacob Pan 2021-03-30 13:43 ` Jason Gunthorpe 2021-03-30 13:43 ` Jason Gunthorpe 2021-03-30 13:43 ` Jason Gunthorpe 2021-03-31 0:10 ` Jacob Pan 2021-03-31 0:10 ` Jacob Pan 2021-03-31 0:10 ` Jacob Pan 2021-03-31 12:28 ` Jason Gunthorpe 2021-03-31 12:28 ` Jason Gunthorpe 2021-03-31 12:28 ` Jason Gunthorpe 2021-03-31 16:34 ` Jacob Pan 2021-03-31 16:34 ` Jacob Pan 2021-03-31 16:34 ` Jacob Pan 2021-03-31 17:31 ` Jason Gunthorpe 2021-03-31 17:31 ` Jason Gunthorpe 2021-03-31 17:31 ` Jason Gunthorpe 2021-03-31 18:20 ` Jacob Pan 2021-03-31 18:20 ` Jacob Pan 2021-03-31 18:20 ` Jacob Pan 2021-03-31 18:33 ` Jason Gunthorpe 2021-03-31 18:33 ` Jason Gunthorpe 2021-03-31 18:33 ` Jason Gunthorpe 2021-03-31 21:50 ` Jacob Pan 2021-03-31 21:50 ` Jacob Pan 2021-03-31 21:50 ` Jacob Pan 2021-03-31 8:38 ` Liu, Yi L 2021-03-31 8:38 ` Liu, Yi L 2021-03-31 8:38 ` Liu, Yi L 2021-03-30 1:37 ` Tian, Kevin 2021-03-30 1:37 ` Tian, Kevin 2021-03-30 1:37 ` Tian, Kevin 2021-03-30 13:28 ` Jason Gunthorpe 2021-03-30 13:28 ` Jason Gunthorpe 2021-03-30 13:28 ` Jason Gunthorpe 2021-03-31 7:38 ` Liu, Yi L 2021-03-31 7:38 ` Liu, Yi L 2021-03-31 7:38 ` Liu, Yi L 2021-03-31 12:40 ` Jason Gunthorpe 2021-03-31 12:40 ` Jason Gunthorpe 2021-03-31 12:40 ` Jason Gunthorpe 2021-04-01 4:38 ` Liu, Yi L 2021-04-01 4:38 ` Liu, Yi L 2021-04-01 4:38 ` Liu, Yi L 2021-04-01 7:04 ` Liu, Yi L 2021-04-01 7:04 ` Liu, Yi L 2021-04-01 7:04 ` Liu, Yi L 2021-04-01 11:54 ` Jason Gunthorpe 2021-04-01 11:54 ` Jason Gunthorpe 2021-04-01 11:54 ` Jason Gunthorpe 2021-04-02 12:46 ` Liu, Yi L 2021-04-02 12:46 ` Liu, Yi L 2021-04-02 12:46 ` Liu, Yi L 2021-04-01 12:05 ` Jean-Philippe Brucker 2021-04-01 12:05 ` Jean-Philippe Brucker 2021-04-01 12:05 ` Jean-Philippe Brucker 2021-04-01 12:12 ` Jason Gunthorpe 2021-04-01 12:12 ` Jason Gunthorpe 2021-04-01 12:12 ` Jason Gunthorpe 2021-04-01 13:38 ` Liu, Yi L 2021-04-01 13:38 ` Liu, Yi L 2021-04-01 13:38 ` Liu, Yi L 2021-04-01 13:42 ` Jason Gunthorpe 2021-04-01 13:42 ` Jason Gunthorpe 2021-04-01 13:42 ` Jason Gunthorpe 2021-04-01 14:08 ` Liu, Yi L 2021-04-01 14:08 ` Liu, Yi L 2021-04-01 14:08 ` Liu, Yi L 2021-04-01 16:03 ` Jason Gunthorpe 2021-04-01 16:03 ` Jason Gunthorpe 2021-04-01 16:03 ` Jason Gunthorpe 2021-04-02 7:30 ` Tian, Kevin 2021-04-02 7:30 ` Tian, Kevin 2021-04-02 7:30 ` Tian, Kevin 2021-04-05 23:35 ` Jason Gunthorpe 2021-04-05 23:35 ` Jason Gunthorpe 2021-04-05 23:35 ` Jason Gunthorpe 2021-04-06 0:37 ` Tian, Kevin 2021-04-06 0:37 ` Tian, Kevin 2021-04-06 0:37 ` Tian, Kevin 2021-04-06 12:15 ` Jason Gunthorpe 2021-04-06 12:15 ` Jason Gunthorpe 2021-04-06 12:15 ` Jason Gunthorpe 2021-04-15 13:11 ` Auger Eric 2021-04-15 13:11 ` Auger Eric 2021-04-15 23:07 ` Jason Gunthorpe 2021-04-15 23:07 ` Jason Gunthorpe 2021-04-15 23:07 ` Jason Gunthorpe 2021-04-16 13:12 ` Jacob Pan 2021-04-16 13:12 ` Jacob Pan 2021-04-16 13:12 ` Jacob Pan 2021-04-16 15:45 ` Alex Williamson 2021-04-16 15:45 ` Alex Williamson 2021-04-16 17:23 ` Jacob Pan 2021-04-16 17:23 ` Jacob Pan 2021-04-16 17:23 ` Jacob Pan 2021-04-16 17:54 ` Jason Gunthorpe 2021-04-16 17:54 ` Jason Gunthorpe 2021-04-16 17:54 ` Jason Gunthorpe 2021-04-21 13:18 ` Liu, Yi L 2021-04-21 13:18 ` Liu, Yi L 2021-04-21 13:18 ` Liu, Yi L 2021-04-21 16:23 ` Jason Gunthorpe 2021-04-21 16:23 ` Jason Gunthorpe 2021-04-21 16:23 ` Jason Gunthorpe 2021-04-21 16:54 ` Alex Williamson 2021-04-21 16:54 ` Alex Williamson 2021-04-21 17:52 ` Jason Gunthorpe 2021-04-21 17:52 ` Jason Gunthorpe 2021-04-21 17:52 ` Jason Gunthorpe 2021-04-21 19:33 ` Alex Williamson 2021-04-21 19:33 ` Alex Williamson 2021-04-21 19:33 ` Alex Williamson 2021-04-21 23:03 ` Jason Gunthorpe 2021-04-21 23:03 ` Jason Gunthorpe 2021-04-21 23:03 ` Jason Gunthorpe 2021-04-22 8:34 ` Tian, Kevin 2021-04-22 8:34 ` Tian, Kevin 2021-04-22 8:34 ` Tian, Kevin 2021-04-22 12:10 ` Jason Gunthorpe 2021-04-22 12:10 ` Jason Gunthorpe 2021-04-23 9:06 ` Tian, Kevin 2021-04-23 9:06 ` Tian, Kevin 2021-04-23 9:06 ` Tian, Kevin 2021-04-23 11:49 ` Jason Gunthorpe 2021-04-23 11:49 ` Jason Gunthorpe 2021-04-25 9:24 ` Tian, Kevin 2021-04-25 9:24 ` Tian, Kevin 2021-04-25 9:24 ` Tian, Kevin 2021-04-26 12:38 ` Jason Gunthorpe 2021-04-26 12:38 ` Jason Gunthorpe 2021-04-26 12:38 ` Jason Gunthorpe 2021-04-28 6:34 ` Tian, Kevin 2021-04-28 6:34 ` Tian, Kevin 2021-04-28 6:34 ` Tian, Kevin 2021-04-28 15:06 ` Alex Williamson 2021-04-28 15:06 ` Alex Williamson 2021-05-07 7:36 ` Tian, Kevin 2021-05-07 7:36 ` Tian, Kevin 2021-05-07 7:36 ` Tian, Kevin 2021-05-07 11:56 ` Jason Gunthorpe 2021-05-07 11:56 ` Jason Gunthorpe 2021-05-07 11:56 ` Jason Gunthorpe 2021-05-07 17:06 ` Alex Williamson 2021-05-07 17:06 ` Alex Williamson 2021-05-07 17:06 ` Alex Williamson 2021-05-07 17:10 ` Jason Gunthorpe 2021-05-07 17:10 ` Jason Gunthorpe 2021-05-07 17:10 ` Jason Gunthorpe 2021-05-08 6:08 ` Tian, Kevin 2021-05-08 6:08 ` Tian, Kevin 2021-05-08 7:31 ` Tian, Kevin 2021-05-08 7:31 ` Tian, Kevin 2021-05-08 7:31 ` Tian, Kevin 2021-05-10 2:56 ` Lu Baolu 2021-05-10 2:56 ` Lu Baolu 2021-05-10 2:56 ` Lu Baolu 2021-04-28 20:46 ` Jason Gunthorpe 2021-04-28 20:46 ` Jason Gunthorpe 2021-04-28 20:46 ` Jason Gunthorpe 2021-05-04 16:22 ` Jacob Pan 2021-05-04 16:22 ` Jacob Pan 2021-05-04 16:22 ` Jacob Pan 2021-05-04 16:31 ` Jason Gunthorpe 2021-05-04 16:31 ` Jason Gunthorpe 2021-05-04 16:31 ` Jason Gunthorpe 2021-05-08 5:46 ` Tian, Kevin 2021-05-08 5:46 ` Tian, Kevin 2021-05-08 5:46 ` Tian, Kevin 2021-05-04 15:41 ` Jacob Pan 2021-05-04 15:41 ` Jacob Pan 2021-05-04 15:41 ` Jacob Pan 2021-05-04 18:00 ` Jason Gunthorpe 2021-05-04 18:00 ` Jason Gunthorpe 2021-05-04 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2021-05-06 12:27 ` Jason Gunthorpe 2021-05-06 12:27 ` Jason Gunthorpe 2021-05-06 12:27 ` Jason Gunthorpe 2021-05-06 16:32 ` Raj, Ashok 2021-05-06 16:32 ` Raj, Ashok 2021-05-06 16:32 ` Raj, Ashok 2021-05-07 17:20 ` Jason Gunthorpe 2021-05-07 17:20 ` Jason Gunthorpe 2021-05-07 17:20 ` Jason Gunthorpe 2021-05-07 18:14 ` Raj, Ashok 2021-05-07 18:14 ` Raj, Ashok 2021-05-07 18:14 ` Raj, Ashok 2021-05-07 18:20 ` Jason Gunthorpe 2021-05-07 18:20 ` Jason Gunthorpe 2021-05-07 18:20 ` Jason Gunthorpe 2021-05-07 19:23 ` Raj, Ashok 2021-05-07 19:23 ` Raj, Ashok 2021-05-07 19:23 ` Raj, Ashok 2021-05-07 19:28 ` Jason Gunthorpe 2021-05-07 19:28 ` Jason Gunthorpe 2021-05-07 19:28 ` Jason Gunthorpe 2021-05-07 22:15 ` Jacob Pan 2021-05-07 22:15 ` Jacob Pan 2021-05-07 22:15 ` Jacob Pan 2021-05-08 9:56 ` Tian, Kevin 2021-05-08 9:56 ` Tian, Kevin 2021-05-08 9:56 ` Tian, Kevin 2021-05-10 12:37 ` Jason Gunthorpe 2021-05-10 12:37 ` Jason Gunthorpe 2021-05-10 12:37 ` Jason Gunthorpe 2021-05-10 15:25 ` Raj, Ashok 2021-05-10 15:25 ` Raj, Ashok 2021-05-10 15:25 ` Raj, Ashok 2021-05-10 15:31 ` Jason Gunthorpe 2021-05-10 15:31 ` Jason Gunthorpe 2021-05-10 15:31 ` Jason Gunthorpe 2021-05-10 16:22 ` Raj, Ashok 2021-05-10 16:22 ` Raj, Ashok 2021-05-10 16:22 ` Raj, Ashok 2021-05-10 16:39 ` Jason Gunthorpe 2021-05-10 16:39 ` Jason Gunthorpe 2021-05-10 16:39 ` Jason Gunthorpe 2021-05-10 22:28 ` Jacob Pan 2021-05-10 22:28 ` Jacob Pan 2021-05-10 22:28 ` Jacob Pan 2021-05-10 23:45 ` Jason Gunthorpe 2021-05-10 23:45 ` Jason Gunthorpe 2021-05-10 23:45 ` Jason Gunthorpe 2021-05-11 3:56 ` Jacob Pan 2021-05-11 3:56 ` Jacob Pan 2021-05-11 3:56 ` Jacob Pan 2021-05-11 9:10 ` Tian, Kevin 2021-05-11 9:10 ` Tian, Kevin 2021-05-11 9:10 ` Tian, Kevin 2021-05-11 13:24 ` Liu Yi L 2021-05-11 13:24 ` Liu Yi L 2021-05-11 13:24 ` Liu Yi L 2021-05-11 22:52 ` Tian, Kevin 2021-05-11 22:52 ` Tian, Kevin 2021-05-11 22:52 ` Tian, Kevin 2021-05-11 14:38 ` Jason Gunthorpe 2021-05-11 14:38 ` Jason Gunthorpe 2021-05-11 14:38 ` Jason Gunthorpe 2021-05-11 22:51 ` Tian, Kevin 2021-05-11 22:51 ` Tian, Kevin 2021-05-11 22:51 ` Tian, Kevin 2021-05-11 23:39 ` Jason Gunthorpe 2021-05-11 23:39 ` Jason Gunthorpe 2021-05-12 0:21 ` Tian, Kevin 2021-05-12 0:21 ` Tian, Kevin 2021-05-12 0:21 ` Tian, Kevin 2021-05-12 0:25 ` Jason Gunthorpe 2021-05-12 0:25 ` Jason Gunthorpe 2021-05-12 0:40 ` Tian, Kevin 2021-05-12 0:40 ` Tian, Kevin 2021-05-12 0:40 ` Tian, Kevin 2021-04-29 8:54 ` Auger Eric 2021-04-29 8:54 ` Auger Eric 2021-04-29 8:54 ` Auger Eric 2021-04-29 8:55 ` Auger Eric 2021-04-29 8:55 ` Auger Eric 2021-04-29 8:55 ` Auger Eric 2021-04-29 13:26 ` Auger Eric 2021-04-29 13:26 ` Auger Eric 2021-04-29 13:26 ` Auger Eric 2021-04-29 20:04 ` Jason Gunthorpe 2021-04-29 20:04 ` Jason Gunthorpe 2021-04-29 20:04 ` Jason Gunthorpe 2021-05-05 9:10 ` Auger Eric 2021-05-05 9:10 ` Auger Eric 2021-05-05 9:10 ` Auger Eric 2021-04-22 17:13 ` Alex Williamson 2021-04-22 17:13 ` Alex Williamson 2021-04-22 17:13 ` Alex Williamson 2021-04-22 17:57 ` Jason Gunthorpe 2021-04-22 17:57 ` Jason Gunthorpe 2021-04-22 17:57 ` Jason Gunthorpe 2021-04-22 19:37 ` Alex Williamson 2021-04-22 19:37 ` Alex Williamson 2021-04-22 19:37 ` Alex Williamson 2021-04-22 20:00 ` Jason Gunthorpe 2021-04-22 20:00 ` Jason Gunthorpe 2021-04-22 20:00 ` Jason Gunthorpe 2021-04-22 22:38 ` Alex Williamson 2021-04-22 22:38 ` Alex Williamson 2021-04-22 22:38 ` Alex Williamson 2021-04-22 23:39 ` Jason Gunthorpe 2021-04-22 23:39 ` Jason Gunthorpe 2021-04-22 23:39 ` Jason Gunthorpe 2021-04-23 10:31 ` Tian, Kevin 2021-04-23 10:31 ` Tian, Kevin 2021-04-23 10:31 ` Tian, Kevin 2021-04-23 11:57 ` Jason Gunthorpe 2021-04-23 11:57 ` Jason Gunthorpe 2021-04-23 11:57 ` Jason Gunthorpe 2021-04-27 5:11 ` David Gibson 2021-04-27 5:11 ` David Gibson 2021-04-27 5:11 ` David Gibson 2021-04-27 16:39 ` Jason Gunthorpe 2021-04-27 16:39 ` Jason Gunthorpe 2021-04-27 16:39 ` Jason Gunthorpe 2021-04-28 0:49 ` David Gibson 2021-04-28 0:49 ` David Gibson 2021-04-28 0:49 ` David Gibson 2021-04-23 16:38 ` Alex Williamson 2021-04-23 16:38 ` Alex Williamson 2021-04-23 16:38 ` Alex Williamson 2021-04-23 22:28 ` Jason Gunthorpe 2021-04-23 22:28 ` Jason Gunthorpe 2021-04-23 22:28 ` Jason Gunthorpe 2021-04-27 5:15 ` David Gibson 2021-04-27 5:15 ` David Gibson 2021-04-27 5:15 ` David Gibson 2021-04-27 5:08 ` David Gibson 2021-04-27 5:08 ` David Gibson 2021-04-27 5:08 ` David Gibson 2021-04-27 17:12 ` Jason Gunthorpe 2021-04-27 17:12 ` Jason Gunthorpe 2021-04-27 17:12 ` Jason Gunthorpe 2021-04-28 0:58 ` David Gibson 2021-04-28 0:58 ` David Gibson 2021-04-28 0:58 ` David Gibson 2021-04-28 14:56 ` Jason Gunthorpe 2021-04-28 14:56 ` Jason Gunthorpe 2021-04-28 14:56 ` Jason Gunthorpe 2021-04-29 3:04 ` David Gibson 2021-04-29 3:04 ` David Gibson 2021-04-29 3:04 ` David Gibson 2021-05-03 16:15 ` Jason Gunthorpe 2021-05-03 16:15 ` Jason Gunthorpe 2021-05-03 16:15 ` Jason Gunthorpe 2021-05-13 5:48 ` David Gibson 2021-05-13 5:48 ` David Gibson 2021-05-13 5:48 ` David Gibson 2021-05-13 13:59 ` Jason Gunthorpe 2021-05-13 13:59 ` Jason Gunthorpe 2021-05-13 13:59 ` Jason Gunthorpe 2021-05-24 7:52 ` David Gibson 2021-05-24 7:52 ` David Gibson 2021-05-24 7:52 ` David Gibson 2021-05-24 23:37 ` Jason Gunthorpe 2021-05-24 23:37 ` Jason Gunthorpe 2021-05-24 23:37 ` Jason Gunthorpe 2021-05-25 19:26 ` Kirti Wankhede 2021-05-25 19:26 ` Kirti Wankhede 2021-05-25 19:26 ` Kirti Wankhede 2021-05-25 19:52 ` Jason Gunthorpe 2021-05-25 19:52 ` Jason Gunthorpe 2021-05-25 19:52 ` Jason Gunthorpe 2021-05-25 21:18 ` Kirti Wankhede 2021-05-25 21:18 ` Kirti Wankhede 2021-05-25 21:18 ` Kirti Wankhede 2021-05-27 5:00 ` David Gibson 2021-05-27 5:00 ` David Gibson 2021-05-27 5:00 ` David Gibson 2021-05-27 18:25 ` Kirti Wankhede 2021-05-27 18:25 ` Kirti Wankhede 2021-05-27 18:25 ` Kirti Wankhede 2021-06-01 3:45 ` David Gibson 2021-06-01 3:45 ` David Gibson 2021-06-01 3:45 ` David Gibson 2021-05-27 4:58 ` David Gibson 2021-05-27 4:58 ` David Gibson 2021-05-27 4:58 ` David Gibson 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13:10 ` Liu, Yi L 2021-04-01 13:15 ` Jason Gunthorpe 2021-04-01 13:15 ` Jason Gunthorpe 2021-04-01 13:15 ` Jason Gunthorpe 2021-04-01 13:43 ` Liu, Yi L 2021-04-01 13:43 ` Liu, Yi L 2021-04-01 13:43 ` Liu, Yi L 2021-04-01 13:46 ` Jason Gunthorpe 2021-04-01 13:46 ` Jason Gunthorpe 2021-04-01 13:46 ` Jason Gunthorpe 2021-04-02 7:58 ` Tian, Kevin 2021-04-02 7:58 ` Tian, Kevin 2021-04-02 7:58 ` Tian, Kevin 2021-04-05 23:39 ` Jason Gunthorpe 2021-04-05 23:39 ` Jason Gunthorpe 2021-04-05 23:39 ` Jason Gunthorpe 2021-04-06 1:02 ` Tian, Kevin 2021-04-06 1:02 ` Tian, Kevin 2021-04-06 1:02 ` Tian, Kevin 2021-04-06 12:21 ` Jason Gunthorpe 2021-04-06 12:21 ` Jason Gunthorpe 2021-04-06 12:21 ` Jason Gunthorpe 2021-04-07 2:23 ` Tian, Kevin 2021-04-07 2:23 ` Tian, Kevin 2021-04-07 2:23 ` Tian, Kevin [not found] ` <MWHPR11MB188628BDB37A4EE36F3D99338C769@MWHPR11MB1886.namprd11.prod.outlook.com> 2021-04-06 2:08 ` Tian, Kevin 2021-04-06 2:08 ` Tian, Kevin 2021-04-06 2:08 ` Tian, Kevin 2021-04-02 10:01 ` 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Jason Gunthorpe 2021-03-31 7:41 ` Liu, Yi L 2021-03-31 7:41 ` Liu, Yi L 2021-03-31 7:41 ` Liu, Yi L 2021-03-31 12:38 ` Jason Gunthorpe 2021-03-31 12:38 ` Jason Gunthorpe 2021-03-31 12:38 ` Jason Gunthorpe 2021-03-31 23:46 ` Jacob Pan 2021-03-31 23:46 ` Jacob Pan 2021-03-31 23:46 ` Jacob Pan 2021-04-01 0:37 ` Jason Gunthorpe 2021-04-01 0:37 ` Jason Gunthorpe 2021-04-01 0:37 ` Jason Gunthorpe 2021-04-01 17:23 ` Jacob Pan 2021-04-01 17:23 ` Jacob Pan 2021-04-01 17:23 ` Jacob Pan 2021-04-01 17:26 ` Jason Gunthorpe 2021-04-01 17:26 ` Jason Gunthorpe 2021-04-01 17:26 ` Jason Gunthorpe 2021-03-19 17:14 ` Jacob Pan 2021-03-19 17:14 ` Jacob Pan 2021-03-19 17:14 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 06/18] iommu/ioasid: Add free function and states Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 07/18] iommu/ioasid: Add ioasid_set iterator helper functions Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 08/18] iommu/ioasid: Introduce ioasid_set private ID Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 09/18] iommu/ioasid: Introduce notification APIs Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 10/18] iommu/ioasid: Support mm token type ioasid_set notifications Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 11/18] iommu/ioasid: Add ownership check in guest bind Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 12/18] iommu/vt-d: Remove mm reference for guest SVA Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 13/18] iommu/ioasid: Add a workqueue for cleanup work Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [PATCH V4 14/18] iommu/vt-d: Listen to IOASID notifications Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [RFC PATCH 15/18] cgroup: Introduce ioasids controller Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-03-03 15:44 ` Tejun Heo 2021-03-03 15:44 ` Tejun Heo 2021-03-03 21:17 ` Jacob Pan 2021-03-03 21:17 ` Jacob Pan 2021-03-03 21:17 ` Jacob Pan 2021-03-04 0:02 ` Jacob Pan 2021-03-04 0:02 ` Jacob Pan 2021-03-04 0:02 ` Jacob Pan 2021-03-04 0:23 ` Jason Gunthorpe 2021-03-04 0:23 ` Jason Gunthorpe 2021-03-04 0:23 ` Jason Gunthorpe 2021-03-04 9:49 ` Jean-Philippe Brucker 2021-03-04 9:49 ` Jean-Philippe Brucker 2021-03-04 9:49 ` Jean-Philippe Brucker 2021-03-04 17:46 ` Jacob Pan 2021-03-04 17:46 ` Jacob Pan 2021-03-04 17:46 ` Jacob Pan 2021-03-04 17:54 ` Jason Gunthorpe 2021-03-04 17:54 ` Jason Gunthorpe 2021-03-04 17:54 ` Jason Gunthorpe 2021-03-04 19:01 ` Jacob Pan 2021-03-04 19:01 ` Jacob Pan 2021-03-04 19:01 ` Jacob Pan 2021-03-04 19:02 ` Jason Gunthorpe 2021-03-04 19:02 ` Jason Gunthorpe 2021-03-04 19:02 ` Jason Gunthorpe 2021-03-04 21:28 ` Jacob Pan 2021-03-04 21:28 ` Jacob Pan 2021-03-04 21:28 ` Jacob Pan 2021-03-05 8:30 ` Jean-Philippe Brucker 2021-03-05 8:30 ` Jean-Philippe Brucker 2021-03-05 8:30 ` Jean-Philippe Brucker 2021-03-05 17:16 ` Jean-Philippe Brucker 2021-03-05 17:16 ` Jean-Philippe Brucker 2021-03-05 17:16 ` Jean-Philippe Brucker 2021-03-05 18:20 ` Jacob Pan 2021-03-05 18:20 ` Jacob Pan 2021-03-05 18:20 ` Jacob Pan 2021-02-27 22:01 ` [RFC PATCH 16/18] iommu/ioasid: Consult IOASIDs cgroup for allocation Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [RFC PATCH 17/18] docs: cgroup-v1: Add IOASIDs controller Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` [RFC PATCH 18/18] ioasid: Add /dev/ioasid for userspace Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-02-27 22:01 ` Jacob Pan 2021-03-10 19:23 ` Jason Gunthorpe 2021-03-10 19:23 ` Jason Gunthorpe 2021-03-10 19:23 ` Jason Gunthorpe 2021-03-11 22:55 ` Jacob Pan 2021-03-11 22:55 ` Jacob Pan 2021-03-11 22:55 ` Jacob Pan 2021-03-12 14:54 ` Jason Gunthorpe 2021-03-12 14:54 ` Jason Gunthorpe 2021-03-12 14:54 ` Jason Gunthorpe 2021-03-02 12:58 ` [PATCH V4 00/18] IOASID extensions for guest SVA Liu, Yi L 2021-03-02 12:58 ` Liu, Yi L 2021-03-02 12:58 ` Liu, Yi L
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