From: Jason Gunthorpe <jgg@nvidia.com> To: "Raj, Ashok" <ashok.raj@intel.com> Cc: "Liu, Yi L" <yi.l.liu@intel.com>, "Tian, Kevin" <kevin.tian@intel.com>, Jason Wang <jasowang@redhat.com>, "alex.williamson@redhat.com" <alex.williamson@redhat.com>, "eric.auger@redhat.com" <eric.auger@redhat.com>, "baolu.lu@linux.intel.com" <baolu.lu@linux.intel.com>, "joro@8bytes.org" <joro@8bytes.org>, "jacob.jun.pan@linux.intel.com" <jacob.jun.pan@linux.intel.com>, "Tian, Jun J" <jun.j.tian@intel.com>, "Sun, Yi Y" <yi.y.sun@intel.com>, "jean-philippe@linaro.org" <jean-philippe@linaro.org>, "peterx@redhat.com" <peterx@redhat.com>, "Wu, Hao" <hao.wu@intel.com>, "stefanha@gmail.com" <stefanha@gmail.com>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "Michael S. Tsirkin" <mst@redhat.com>, "Zhu, Lingshan" <lingshan.zhu@intel.com> Subject: Re: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Date: Wed, 21 Oct 2020 15:24:42 -0300 [thread overview] Message-ID: <20201021182442.GU6219@nvidia.com> (raw) In-Reply-To: <20201021175146.GA92867@otc-nc-03> On Wed, Oct 21, 2020 at 10:51:46AM -0700, Raj, Ashok wrote: > > If they didn't plan to use it, bit of a strawman argument, right? > > This doesn't need to continue like the debates :-) Pun intended :-) > > I don't think it makes any sense to have an abstract strawman argument > design discussion. Yi is looking into for pasid management alone. Rest > of the IOMMU related topics should wait until we have another > *real* use requiring consolidation. Actually I'm really annoyed right now that the other Intel team wasted quiet a lot of the rest of our time on arguing about vDPA and vfio with no actual interest in this technology. So you'll excuse me if I'm not particularly enamored with this discussion right now. > Contrary to your argument, vDPA went with a half blown device only > iommu user without considering existing abstractions like containers VDPA IOMMU was done *for Intel*, as the kind of half-architected thing you are advocating should be allowed for IDXD here. Not sure why you think bashing that work is going to help your case here. I'm saying Intel needs to get its architecture together and stop ceating this mess across the kernel to support Intel devices. Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgg@nvidia.com> To: "Raj, Ashok" <ashok.raj@intel.com> Cc: "Tian, Jun J" <jun.j.tian@intel.com>, "Tian, Kevin" <kevin.tian@intel.com>, "kvm@vger.kernel.org" <kvm@vger.kernel.org>, "jean-philippe@linaro.org" <jean-philippe@linaro.org>, "stefanha@gmail.com" <stefanha@gmail.com>, Jason Wang <jasowang@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, "Sun, Yi Y" <yi.y.sun@intel.com>, "iommu@lists.linux-foundation.org" <iommu@lists.linux-foundation.org>, "alex.williamson@redhat.com" <alex.williamson@redhat.com>, "Zhu, Lingshan" <lingshan.zhu@intel.com>, "Wu, Hao" <hao.wu@intel.com> Subject: Re: (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Date: Wed, 21 Oct 2020 15:24:42 -0300 [thread overview] Message-ID: <20201021182442.GU6219@nvidia.com> (raw) In-Reply-To: <20201021175146.GA92867@otc-nc-03> On Wed, Oct 21, 2020 at 10:51:46AM -0700, Raj, Ashok wrote: > > If they didn't plan to use it, bit of a strawman argument, right? > > This doesn't need to continue like the debates :-) Pun intended :-) > > I don't think it makes any sense to have an abstract strawman argument > design discussion. Yi is looking into for pasid management alone. Rest > of the IOMMU related topics should wait until we have another > *real* use requiring consolidation. Actually I'm really annoyed right now that the other Intel team wasted quiet a lot of the rest of our time on arguing about vDPA and vfio with no actual interest in this technology. So you'll excuse me if I'm not particularly enamored with this discussion right now. > Contrary to your argument, vDPA went with a half blown device only > iommu user without considering existing abstractions like containers VDPA IOMMU was done *for Intel*, as the kind of half-architected thing you are advocating should be allowed for IDXD here. Not sure why you think bashing that work is going to help your case here. I'm saying Intel needs to get its architecture together and stop ceating this mess across the kernel to support Intel devices. Jason _______________________________________________ iommu mailing list iommu@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/iommu
next prev parent reply other threads:[~2020-10-21 18:24 UTC|newest] Thread overview: 110+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-12 8:38 (proposal) RE: [PATCH v7 00/16] vfio: expose virtual Shared Virtual Addressing to VMs Tian, Kevin 2020-10-12 8:38 ` Tian, Kevin 2020-10-13 6:22 ` Jason Wang 2020-10-13 6:22 ` Jason Wang 2020-10-14 3:08 ` Tian, Kevin 2020-10-14 3:08 ` Tian, Kevin 2020-10-14 23:10 ` Alex Williamson 2020-10-14 23:10 ` Alex Williamson 2020-10-15 7:02 ` Jason Wang 2020-10-15 7:02 ` Jason Wang 2020-10-15 6:52 ` Jason Wang 2020-10-15 6:52 ` Jason Wang 2020-10-15 7:58 ` Tian, Kevin 2020-10-15 7:58 ` Tian, Kevin 2020-10-15 8:40 ` Jason Wang 2020-10-15 8:40 ` Jason Wang 2020-10-15 10:14 ` Liu, Yi L 2020-10-15 10:14 ` Liu, Yi L 2020-10-20 6:18 ` Jason Wang 2020-10-20 6:18 ` Jason Wang 2020-10-20 8:19 ` Liu, Yi L 2020-10-20 8:19 ` Liu, Yi L 2020-10-20 9:19 ` Jason Wang 2020-10-20 9:19 ` Jason Wang 2020-10-20 9:40 ` Liu, Yi L 2020-10-20 9:40 ` Liu, Yi L 2020-10-20 13:54 ` Jason Gunthorpe 2020-10-20 13:54 ` Jason Gunthorpe 2020-10-20 14:00 ` Liu, Yi L 2020-10-20 14:00 ` Liu, Yi L 2020-10-20 14:05 ` Jason Gunthorpe 2020-10-20 14:05 ` Jason Gunthorpe 2020-10-20 14:09 ` Liu, Yi L 2020-10-20 14:09 ` Liu, Yi L 2020-10-13 10:27 ` Jean-Philippe Brucker 2020-10-13 10:27 ` Jean-Philippe Brucker 2020-10-14 2:11 ` Tian, Kevin 2020-10-14 2:11 ` Tian, Kevin 2020-10-14 3:16 ` Tian, Kevin 2020-10-14 3:16 ` Tian, Kevin 2020-10-16 15:36 ` Jason Gunthorpe 2020-10-16 15:36 ` Jason Gunthorpe 2020-10-19 8:39 ` Liu, Yi L 2020-10-19 8:39 ` Liu, Yi L 2020-10-19 14:25 ` Jason Gunthorpe 2020-10-19 14:25 ` Jason Gunthorpe 2020-10-20 10:21 ` Liu, Yi L 2020-10-20 10:21 ` Liu, Yi L 2020-10-20 14:02 ` Jason Gunthorpe 2020-10-20 14:02 ` Jason Gunthorpe 2020-10-20 14:19 ` Liu, Yi L 2020-10-20 14:19 ` Liu, Yi L 2020-10-21 2:21 ` Jason Wang 2020-10-21 2:21 ` Jason Wang 2020-10-20 16:24 ` Raj, Ashok 2020-10-20 16:24 ` Raj, Ashok 2020-10-20 17:03 ` Jason Gunthorpe 2020-10-20 17:03 ` Jason Gunthorpe 2020-10-20 19:51 ` Raj, Ashok 2020-10-20 19:51 ` Raj, Ashok 2020-10-20 19:55 ` Jason Gunthorpe 2020-10-20 19:55 ` Jason Gunthorpe 2020-10-20 20:08 ` Raj, Ashok 2020-10-20 20:08 ` Raj, Ashok 2020-10-20 20:14 ` Jason Gunthorpe 2020-10-20 20:14 ` Jason Gunthorpe 2020-10-20 20:27 ` Raj, Ashok 2020-10-20 20:27 ` Raj, Ashok 2020-10-21 11:48 ` Jason Gunthorpe 2020-10-21 11:48 ` Jason Gunthorpe 2020-10-21 17:51 ` Raj, Ashok 2020-10-21 17:51 ` Raj, Ashok 2020-10-21 18:24 ` Jason Gunthorpe [this message] 2020-10-21 18:24 ` Jason Gunthorpe 2020-10-21 20:03 ` Raj, Ashok 2020-10-21 20:03 ` Raj, Ashok 2020-10-21 23:32 ` Jason Gunthorpe 2020-10-21 23:32 ` Jason Gunthorpe 2020-10-21 23:53 ` Raj, Ashok 2020-10-21 23:53 ` Raj, Ashok 2020-10-22 2:55 ` Jason Wang 2020-10-22 2:55 ` Jason Wang 2020-10-22 3:54 ` Liu, Yi L 2020-10-22 3:54 ` Liu, Yi L 2020-10-22 4:38 ` Jason Wang 2020-10-22 4:38 ` Jason Wang 2020-11-03 9:52 ` joro 2020-11-03 9:52 ` joro 2020-11-03 12:56 ` Jason Gunthorpe 2020-11-03 12:56 ` Jason Gunthorpe 2020-11-03 13:18 ` joro 2020-11-03 13:18 ` joro 2020-11-03 13:23 ` Jason Gunthorpe 2020-11-03 13:23 ` Jason Gunthorpe 2020-11-03 14:03 ` joro 2020-11-03 14:03 ` joro 2020-11-03 14:06 ` Jason Gunthorpe 2020-11-03 14:06 ` Jason Gunthorpe 2020-11-03 14:35 ` joro 2020-11-03 14:35 ` joro 2020-11-03 15:22 ` Jason Gunthorpe 2020-11-03 15:22 ` Jason Gunthorpe 2020-11-03 16:55 ` joro 2020-11-03 16:55 ` joro 2020-11-03 17:48 ` Jason Gunthorpe 2020-11-03 17:48 ` Jason Gunthorpe 2020-11-03 19:14 ` joro 2020-11-03 19:14 ` joro 2020-11-04 19:29 ` Jason Gunthorpe 2020-11-04 19:29 ` Jason Gunthorpe
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20201021182442.GU6219@nvidia.com \ --to=jgg@nvidia.com \ --cc=alex.williamson@redhat.com \ --cc=ashok.raj@intel.com \ --cc=baolu.lu@linux.intel.com \ --cc=eric.auger@redhat.com \ --cc=hao.wu@intel.com \ --cc=iommu@lists.linux-foundation.org \ --cc=jacob.jun.pan@linux.intel.com \ --cc=jasowang@redhat.com \ --cc=jean-philippe@linaro.org \ --cc=joro@8bytes.org \ --cc=jun.j.tian@intel.com \ --cc=kevin.tian@intel.com \ --cc=kvm@vger.kernel.org \ --cc=lingshan.zhu@intel.com \ --cc=mst@redhat.com \ --cc=peterx@redhat.com \ --cc=stefanha@gmail.com \ --cc=yi.l.liu@intel.com \ --cc=yi.y.sun@intel.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.