From: Jason Gunthorpe <jgg@nvidia.com> To: "Tian, Kevin" <kevin.tian@intel.com> Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>, Li Zefan <lizefan@huawei.com>, "Jiang, Dave" <dave.jiang@intel.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>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, Alex Williamson <alex.williamson@redhat.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> Subject: Re: [PATCH V4 05/18] iommu/ioasid: Redefine IOASID set and allocation APIs Date: Tue, 11 May 2021 21:25:15 -0300 [thread overview] Message-ID: <20210512002515.GR1002214@nvidia.com> (raw) In-Reply-To: <MWHPR11MB188623FB741481D489D259798C529@MWHPR11MB1886.namprd11.prod.outlook.com> On Wed, May 12, 2021 at 12:21:24AM +0000, Tian, Kevin wrote: > > Basically each RID knows based on its kernel drivers if it is a local > > or global RID and the ioasid knob can further fine tune this for any > > other specialty cases. > > It's fine if you insist on this way. Then we leave it to userspace to > ensure same split range is used across devices when vIOMMU is > concerned. I'm still confused why there is a split range needed. > Please note such range split has to be enforced through > vIOMMU which (e.g. on VT-d) includes a register to report available > PASID space size (applying to all devices behind this vIOMMU) to > the guest. The kernel just follows per-RID split info. If anything broken, > the userspace just shoots its own foot. Is it because this specific vIOMMU protocol is limiting things? > > > > It does need some user visible difference because SIOV/mdev is not > > > > migratable. Only the kernel can select a PASID, userspace (and hence > > > > the guest) shouldn't have the option to force a specific PASID as the > > > > PASID space is shared across the entire RID to all VMs using the mdev. > > > > > > not migratable only when you choose exposing host-allocated PASID > > > into guest. However in the entire this proposal we actually virtualize > > > PASIDs, letting the guest manage its own PASID space in all > > > scenarios > > > > PASID cannot be virtualized without also using ENQCMD. > > > > A mdev that is using PASID without ENQCMD is non-migratable and this > > needs to be make visiable in the uAPI. > > No. without ENQCMD the PASID must be programmed to a mdev MMIO > register. This operation is mediated then mdev driver can translate the > PASID from virtual to real. That is probably unworkable with real devices, but if you do this you need to explicitly expose the vPASID to the mdev API somehow, and still the device needs to declare if it supports this, and devices that don't should still work in a non-migratable mode. 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>, LKML <linux-kernel@vger.kernel.org>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, Li Zefan <lizefan@huawei.com>, Alex Williamson <alex.williamson@redhat.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, 11 May 2021 21:25:15 -0300 [thread overview] Message-ID: <20210512002515.GR1002214@nvidia.com> (raw) In-Reply-To: <MWHPR11MB188623FB741481D489D259798C529@MWHPR11MB1886.namprd11.prod.outlook.com> On Wed, May 12, 2021 at 12:21:24AM +0000, Tian, Kevin wrote: > > Basically each RID knows based on its kernel drivers if it is a local > > or global RID and the ioasid knob can further fine tune this for any > > other specialty cases. > > It's fine if you insist on this way. Then we leave it to userspace to > ensure same split range is used across devices when vIOMMU is > concerned. I'm still confused why there is a split range needed. > Please note such range split has to be enforced through > vIOMMU which (e.g. on VT-d) includes a register to report available > PASID space size (applying to all devices behind this vIOMMU) to > the guest. The kernel just follows per-RID split info. If anything broken, > the userspace just shoots its own foot. Is it because this specific vIOMMU protocol is limiting things? > > > > It does need some user visible difference because SIOV/mdev is not > > > > migratable. Only the kernel can select a PASID, userspace (and hence > > > > the guest) shouldn't have the option to force a specific PASID as the > > > > PASID space is shared across the entire RID to all VMs using the mdev. > > > > > > not migratable only when you choose exposing host-allocated PASID > > > into guest. However in the entire this proposal we actually virtualize > > > PASIDs, letting the guest manage its own PASID space in all > > > scenarios > > > > PASID cannot be virtualized without also using ENQCMD. > > > > A mdev that is using PASID without ENQCMD is non-migratable and this > > needs to be make visiable in the uAPI. > > No. without ENQCMD the PASID must be programmed to a mdev MMIO > register. This operation is mediated then mdev driver can translate the > PASID from virtual to real. That is probably unworkable with real devices, but if you do this you need to explicitly expose the vPASID to the mdev API somehow, and still the device needs to declare if it supports this, and devices that don't should still work in a non-migratable mode. Jason _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2021-05-12 0:25 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 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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 2021-05-27 18:48 ` Jason Gunthorpe 2021-05-27 18:48 ` Jason Gunthorpe 2021-05-27 18:48 ` Jason Gunthorpe 2021-06-01 4:03 ` David Gibson 2021-06-01 4:03 ` David Gibson 2021-06-01 4:03 ` David Gibson 2021-06-01 12:57 ` Jason Gunthorpe 2021-06-01 12:57 ` Jason Gunthorpe 2021-06-01 12:57 ` Jason Gunthorpe 2021-06-08 0:44 ` David Gibson 2021-06-08 0:44 ` David Gibson 2021-06-08 0:44 ` David Gibson 2021-06-08 18:34 ` Jason Gunthorpe 2021-06-08 18:34 ` Jason Gunthorpe 2021-06-08 18:34 ` Jason Gunthorpe 2021-05-25 22:52 ` Alex Williamson 2021-05-25 22:52 ` Alex Williamson 2021-05-25 22:52 ` Alex Williamson 2021-05-26 18:10 ` Kirti Wankhede 2021-05-26 18:10 ` Kirti Wankhede 2021-05-26 18:10 ` Kirti Wankhede 2021-05-26 18:59 ` Alex Williamson 2021-05-26 18:59 ` Alex Williamson 2021-05-26 18:59 ` Alex Williamson 2021-05-26 19:13 ` Jason Gunthorpe 2021-05-26 19:13 ` Jason Gunthorpe 2021-05-26 19:13 ` Jason Gunthorpe 2021-05-27 4:53 ` David Gibson 2021-05-27 4:53 ` David Gibson 2021-05-27 4:53 ` David Gibson 2021-05-27 19:06 ` Jason Gunthorpe 2021-05-27 19:06 ` Jason Gunthorpe 2021-05-27 19:06 ` Jason Gunthorpe 2021-06-01 4:27 ` David Gibson 2021-06-01 4:27 ` David Gibson 2021-06-01 4:27 ` David Gibson 2021-04-28 6:58 ` Tian, Kevin 2021-04-28 6:58 ` Tian, Kevin 2021-04-28 6:58 ` Tian, Kevin 2021-05-04 17:12 ` Jason Gunthorpe 2021-05-04 17:12 ` Jason Gunthorpe 2021-05-04 17:12 ` Jason Gunthorpe 2021-05-07 8:09 ` Tian, Kevin 2021-05-07 8:09 ` Tian, Kevin 2021-05-07 8:09 ` Tian, Kevin 2021-04-28 7:47 ` Tian, Kevin 2021-04-28 7:47 ` Tian, Kevin 2021-04-28 7:47 ` Tian, Kevin 2021-04-28 18:41 ` Jason Gunthorpe 2021-04-28 18:41 ` Jason Gunthorpe 2021-04-28 18:41 ` Jason Gunthorpe 2021-04-27 4:50 ` David Gibson 2021-04-27 4:50 ` David Gibson 2021-04-27 4:50 ` David Gibson 2021-04-27 17:24 ` Jason Gunthorpe 2021-04-27 17:24 ` Jason Gunthorpe 2021-04-27 17:24 ` Jason Gunthorpe 2021-04-28 1:23 ` David Gibson 2021-04-28 1:23 ` David Gibson 2021-04-28 1:23 ` David Gibson 2021-04-29 0:21 ` Jason Gunthorpe 2021-04-29 0:21 ` Jason Gunthorpe 2021-04-29 0:21 ` Jason Gunthorpe 2021-04-29 3:20 ` David Gibson 2021-04-29 3:20 ` David Gibson 2021-04-29 3:20 ` David Gibson 2021-05-03 16:05 ` Jason Gunthorpe 2021-05-03 16:05 ` Jason Gunthorpe 2021-05-03 16:05 ` Jason Gunthorpe 2021-05-04 3:54 ` David Gibson 2021-05-04 3:54 ` David Gibson 2021-05-04 3:54 ` David Gibson 2021-05-04 18:15 ` Jason Gunthorpe 2021-05-04 18:15 ` Jason Gunthorpe 2021-05-04 18:15 ` Jason Gunthorpe 2021-05-05 4:28 ` Alexey Kardashevskiy 2021-05-05 4:28 ` Alexey Kardashevskiy 2021-05-05 4:28 ` Alexey Kardashevskiy 2021-05-05 16:39 ` Jason Gunthorpe 2021-05-05 16:39 ` Jason Gunthorpe 2021-05-05 16:39 ` Jason Gunthorpe 2021-05-13 6:07 ` David Gibson 2021-05-13 6:07 ` David Gibson 2021-05-13 6:07 ` David Gibson 2021-05-13 13:50 ` Jason Gunthorpe 2021-05-13 13:50 ` Jason Gunthorpe 2021-05-13 13:50 ` Jason Gunthorpe 2021-05-24 7:56 ` David Gibson 2021-05-24 7:56 ` David Gibson 2021-05-24 7:56 ` David Gibson 2021-05-13 6:01 ` David Gibson 2021-05-13 6:01 ` David Gibson 2021-05-13 6:01 ` David Gibson 2021-05-13 6:52 ` Tian, Kevin 2021-05-13 6:52 ` Tian, Kevin 2021-05-13 6:52 ` Tian, Kevin 2021-05-13 13:47 ` Jason Gunthorpe 2021-05-13 13:47 ` Jason Gunthorpe 2021-05-13 13:47 ` Jason Gunthorpe 2021-04-22 12:55 ` Liu Yi L 2021-04-22 12:55 ` Liu Yi L 2021-04-16 13:38 ` Auger Eric 2021-04-16 13:38 ` Auger Eric 2021-04-16 13:38 ` Auger Eric 2021-04-16 14:05 ` Jason Gunthorpe 2021-04-16 14:05 ` Jason Gunthorpe 2021-04-16 14:05 ` Jason Gunthorpe 2021-04-16 14:26 ` Auger Eric 2021-04-16 14:26 ` Auger Eric 2021-04-16 14:26 ` Auger Eric 2021-04-16 14:34 ` Jason Gunthorpe 2021-04-16 14:34 ` Jason Gunthorpe 2021-04-16 14:34 ` Jason Gunthorpe 2021-04-16 15:00 ` Auger Eric 2021-04-16 15:00 ` Auger Eric 2021-04-16 15:00 ` Auger Eric 2021-04-01 11:46 ` Jason Gunthorpe 2021-04-01 11:46 ` Jason Gunthorpe 2021-04-01 11:46 ` Jason Gunthorpe 2021-04-01 13:10 ` Liu, Yi L 2021-04-01 13:10 ` Liu, Yi L 2021-04-01 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 ` Tian, Kevin 2021-04-02 10:01 ` Tian, Kevin 2021-04-02 10:01 ` Tian, Kevin 2021-04-02 8:22 ` Tian, Kevin 2021-04-02 8:22 ` Tian, Kevin 2021-04-02 8:22 ` Tian, Kevin 2021-04-05 23:42 ` Jason Gunthorpe 2021-04-05 23:42 ` Jason Gunthorpe 2021-04-05 23:42 ` Jason Gunthorpe 2021-04-06 1:27 ` Tian, Kevin 2021-04-06 1:27 ` Tian, Kevin 2021-04-06 1:27 ` Tian, Kevin 2021-04-06 12:34 ` Jason Gunthorpe 2021-04-06 12:34 ` Jason Gunthorpe 2021-04-07 2:08 ` Tian, Kevin 2021-04-07 2:08 ` Tian, Kevin 2021-04-07 2:08 ` Tian, Kevin 2021-04-07 12:20 ` Jason Gunthorpe 2021-04-07 12:20 ` Jason Gunthorpe 2021-04-07 12:20 ` Jason Gunthorpe 2021-04-07 23:50 ` Tian, Kevin 2021-04-07 23:50 ` Tian, Kevin 2021-04-07 23:50 ` Tian, Kevin 2021-04-08 11:41 ` Jason Gunthorpe 2021-04-08 11:41 ` Jason Gunthorpe 2021-04-08 11:41 ` Jason Gunthorpe 2021-04-06 1:35 ` Jason Wang 2021-04-06 1:35 ` Jason Wang 2021-04-06 1:35 ` Jason Wang 2021-04-06 12:42 ` Jason Gunthorpe 2021-04-06 12:42 ` Jason Gunthorpe 2021-04-06 12:42 ` Jason Gunthorpe 2021-04-07 2:06 ` Jason Wang 2021-04-07 2:06 ` Jason Wang 2021-04-07 2:06 ` Jason Wang 2021-04-07 8:17 ` Tian, Kevin 2021-04-07 8:17 ` Tian, Kevin 2021-04-07 8:17 ` Tian, Kevin 2021-04-07 11:58 ` Jason Gunthorpe 2021-04-07 11:58 ` Jason Gunthorpe 2021-04-07 11:58 ` Jason Gunthorpe 2021-04-07 18:43 ` Jean-Philippe Brucker 2021-04-07 18:43 ` Jean-Philippe Brucker 2021-04-07 18:43 ` Jean-Philippe Brucker 2021-04-07 19:36 ` Jason Gunthorpe 2021-04-07 19:36 ` Jason Gunthorpe 2021-04-07 19:36 ` Jason Gunthorpe 2021-04-08 9:37 ` Jean-Philippe Brucker 2021-04-08 9:37 ` Jean-Philippe Brucker 2021-03-30 2:24 ` Tian, Kevin 2021-03-30 2:24 ` Tian, Kevin 2021-03-30 2:24 ` Tian, Kevin 2021-03-30 13:24 ` Jason Gunthorpe 2021-03-30 13:24 ` Jason Gunthorpe 2021-03-30 13:24 ` Jason Gunthorpe 2021-03-30 4:14 ` Tian, Kevin 2021-03-30 4:14 ` Tian, Kevin 2021-03-30 4:14 ` Tian, Kevin 2021-03-30 13:27 ` Jason Gunthorpe 2021-03-30 13:27 ` Jason Gunthorpe 2021-03-30 13:27 ` 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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