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From: Nicolin Chen <nicolinc@nvidia.com>
To: "Liu, Yi L" <yi.l.liu@intel.com>
Cc: "Tian, Kevin" <kevin.tian@intel.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	"jgg@nvidia.com" <jgg@nvidia.com>,
	"joro@8bytes.org" <joro@8bytes.org>,
	"robin.murphy@arm.com" <robin.murphy@arm.com>,
	"cohuck@redhat.com" <cohuck@redhat.com>,
	"eric.auger@redhat.com" <eric.auger@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"mjrosato@linux.ibm.com" <mjrosato@linux.ibm.com>,
	"chao.p.peng@linux.intel.com" <chao.p.peng@linux.intel.com>,
	"yi.y.sun@linux.intel.com" <yi.y.sun@linux.intel.com>,
	"peterx@redhat.com" <peterx@redhat.com>,
	"jasowang@redhat.com" <jasowang@redhat.com>,
	"shameerali.kolothum.thodi@huawei.com" 
	<shameerali.kolothum.thodi@huawei.com>,
	"lulu@redhat.com" <lulu@redhat.com>,
	"suravee.suthikulpanit@amd.com" <suravee.suthikulpanit@amd.com>,
	"intel-gvt-dev@lists.freedesktop.org" 
	<intel-gvt-dev@lists.freedesktop.org>,
	"intel-gfx@lists.freedesktop.org"
	<intel-gfx@lists.freedesktop.org>,
	"linux-s390@vger.kernel.org" <linux-s390@vger.kernel.org>,
	"Hao, Xudong" <xudong.hao@intel.com>,
	"Zhao, Yan Y" <yan.y.zhao@intel.com>,
	"Xu, Terrence" <terrence.xu@intel.com>
Subject: Re: [PATCH v6 12/24] vfio/pci: Allow passing zero-length fd array in VFIO_DEVICE_PCI_HOT_RESET
Date: Wed, 15 Mar 2023 23:49:07 -0700	[thread overview]
Message-ID: <ZBK74xltWbaWlftV@Asurada-Nvidia> (raw)
In-Reply-To: <DS0PR11MB75293503F92A24A716DDE2C6C3BC9@DS0PR11MB7529.namprd11.prod.outlook.com>

On Thu, Mar 16, 2023 at 06:28:28AM +0000, Liu, Yi L wrote:

> > Anyway let's not wait here. Send your v7 and we can have more
> > focused discussion in your split series about hot reset.
> 
> Sure. Once Nicolin's patch is updated, I can send v7 with the hot
> reset series as well.

I've updated three commits and pushed here:
https://github.com/nicolinc/iommufd/commits/wip/iommufd_nesting-03152023

Please pull the following commit to the emulated series:
  "iommufd: Create access in vfio_iommufd_emulated_bind()"
  https://github.com/nicolinc/iommufd/commit/6467e332584de62d1c4d5daab404a8c8d5a90a2d

Please pull the following commit to the cdev series or a place
that you feel it'd be better -- it's required by the change of
adding vfio_iommufd_emulated_detach_ioas():
  "iommufd/device: Add iommufd_access_detach() API"
  https://github.com/nicolinc/iommufd/commit/86346b5d06100640037cbb4a14bd249476072dec

The other one adding replace() will go with the replace series.

And regarding the new baseline for the replace series and the
nesting series, it'd be nicer to have another one git-merging
your cdev v7 branch on top of Jason's iommufd_hwpt branch. We
could wait for him updating to 6.3-rc2, if that's necessary.

Thanks
Nic

  reply	other threads:[~2023-03-16  6:49 UTC|newest]

Thread overview: 101+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-08 13:28 [PATCH v6 00/24] cover-letter: Add vfio_device cdev for iommufd support Yi Liu
2023-03-08 13:28 ` [PATCH v6 01/24] vfio: Allocate per device file structure Yi Liu
2023-03-08 13:28 ` [PATCH v6 02/24] vfio: Refine vfio file kAPIs for KVM Yi Liu
2023-03-08 13:28 ` [PATCH v6 03/24] vfio: Accept vfio device file in the KVM facing kAPI Yi Liu
2023-03-08 13:28 ` [PATCH v6 04/24] kvm/vfio: Rename kvm_vfio_group to prepare for accepting vfio device fd Yi Liu
2023-03-08 13:28 ` [PATCH v6 05/24] kvm/vfio: Accept vfio device file from userspace Yi Liu
2023-03-22 14:10   ` Xu Yilun
2023-03-28  3:48     ` Liu, Yi L
2023-03-08 13:28 ` [PATCH v6 06/24] vfio: Pass struct vfio_device_file * to vfio_device_open/close() Yi Liu
2023-03-08 13:28 ` [PATCH v6 07/24] vfio: Block device access via device fd until device is opened Yi Liu
2023-03-10  4:50   ` Tian, Kevin
2023-03-08 13:28 ` [PATCH v6 08/24] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset() Yi Liu
2023-03-08 13:28 ` [PATCH v6 09/24] vfio/pci: Only need to check opened devices in the dev_set for hot reset Yi Liu
2023-03-10  5:00   ` Tian, Kevin
2023-03-08 13:28 ` [PATCH v6 10/24] vfio/pci: Rename the helpers and data in hot reset path to accept device fd Yi Liu
2023-03-10  5:01   ` Tian, Kevin
2023-03-08 13:28 ` [PATCH v6 11/24] vfio/pci: Accept device fd in VFIO_DEVICE_PCI_HOT_RESET ioctl Yi Liu
2023-03-10  5:08   ` Tian, Kevin
2023-03-10  5:38     ` Liu, Yi L
2023-03-08 13:28 ` [PATCH v6 12/24] vfio/pci: Allow passing zero-length fd array in VFIO_DEVICE_PCI_HOT_RESET Yi Liu
2023-03-10  5:31   ` Tian, Kevin
2023-03-10  6:04     ` Liu, Yi L
2023-03-10  9:08       ` Tian, Kevin
2023-03-10 17:42       ` Jason Gunthorpe
2023-03-15 22:53   ` Alex Williamson
2023-03-15 23:31     ` Tian, Kevin
2023-03-16  3:54       ` [offlist] " Liu, Yi L
2023-03-16  6:09         ` Tian, Kevin
2023-03-16  6:28           ` Liu, Yi L
2023-03-16  6:49             ` Nicolin Chen [this message]
2023-03-16 13:22               ` Liu, Yi L
2023-03-16 21:27                 ` Nicolin Chen
2023-03-16 18:45       ` Alex Williamson
2023-03-16 23:29         ` Tian, Kevin
2023-03-17  0:22           ` Alex Williamson
2023-03-17  0:57             ` Tian, Kevin
2023-03-17 15:15               ` Alex Williamson
2023-03-20 17:14                 ` Jason Gunthorpe
2023-03-20 22:52                   ` Alex Williamson
2023-03-20 23:39                     ` Jason Gunthorpe
2023-03-21 20:31                       ` Alex Williamson
2023-03-21 20:50                         ` Jason Gunthorpe
2023-03-21 21:01                           ` Alex Williamson
2023-03-21 22:20                             ` Jason Gunthorpe
2023-03-21 22:47                               ` Alex Williamson
2023-03-22  4:42                                 ` Liu, Yi L
2023-03-22 12:23                                   ` Alex Williamson
2023-03-22 12:27                                 ` Jason Gunthorpe
2023-03-22 12:36                                   ` Alex Williamson
2023-03-22 12:47                                     ` Jason Gunthorpe
2023-03-24  9:09                             ` Tian, Kevin
2023-03-24 13:14                               ` Jason Gunthorpe
2023-03-22  8:17                           ` Liu, Yi L
2023-03-22 12:17                             ` Jason Gunthorpe
2023-03-22 13:33                               ` Liu, Yi L
2023-03-22 13:43                                 ` Jason Gunthorpe
2023-03-23  3:15                                   ` Liu, Yi L
2023-03-23 12:02                                     ` Jason Gunthorpe
2023-03-24  9:25                                       ` Liu, Yi L
2023-03-27 11:57                                         ` Liu, Yi L
2023-03-08 13:28 ` [PATCH v6 13/24] vfio/iommufd: Split the compat_ioas attach out from vfio_iommufd_bind() Yi Liu
2023-03-10  8:08   ` Tian, Kevin
2023-03-10  8:22     ` Liu, Yi L
2023-03-10  9:10       ` Tian, Kevin
2023-03-11 10:24       ` Liu, Yi L
2023-03-13  2:06         ` Tian, Kevin
2023-03-08 13:28 ` [PATCH v6 14/24] vfio: Add cdev_device_open_cnt to vfio_group Yi Liu
2023-03-08 13:28 ` [PATCH v6 15/24] vfio: Make vfio_device_open() single open for device cdev path Yi Liu
2023-03-08 13:28 ` [PATCH v6 16/24] vfio: Make vfio_device_first_open() to cover the noiommu mode in " Yi Liu
2023-03-10  8:30   ` Tian, Kevin
2023-03-08 13:28 ` [PATCH v6 17/24] vfio-iommufd: Make vfio_iommufd_bind() selectively return devid Yi Liu
2023-03-10  8:31   ` Tian, Kevin
2023-03-08 13:28 ` [PATCH v6 18/24] vfio-iommufd: Add detach_ioas support for physical VFIO devices Yi Liu
2023-03-08 13:28 ` [PATCH v6 19/24] vfio-iommufd: Add detach_ioas support for emulated " Yi Liu
2023-03-10 23:42   ` Nicolin Chen
2023-03-15  6:15     ` Liu, Yi L
2023-03-15  6:25       ` Nicolin Chen
2023-03-08 13:28 ` [PATCH v6 20/24] vfio: Add cdev for vfio_device Yi Liu
2023-03-10  8:48   ` Tian, Kevin
2023-03-10  9:59     ` Liu, Yi L
2023-03-08 13:29 ` [PATCH v6 21/24] vfio: Add VFIO_DEVICE_BIND_IOMMUFD Yi Liu
2023-03-10  9:01   ` Tian, Kevin
2023-03-10  9:58     ` Liu, Yi L
2023-03-10 10:06       ` Tian, Kevin
2023-03-15  4:40         ` Liu, Yi L
2023-03-15  6:57           ` Tian, Kevin
2023-03-20 14:09           ` Jason Gunthorpe
2023-03-20 14:31             ` Yi Liu
2023-03-20 17:16               ` Jason Gunthorpe
2023-03-21  1:30                 ` Tian, Kevin
2023-03-21 12:00                   ` Jason Gunthorpe
2023-03-21 14:37                     ` Liu, Yi L
2023-03-21 14:41                       ` Jason Gunthorpe
2023-03-21 14:51                         ` Liu, Yi L
2023-03-21 14:58                           ` Jason Gunthorpe
2023-03-21 15:10                             ` Liu, Yi L
2023-03-21 16:54                               ` Jason Gunthorpe
2023-03-08 13:29 ` [PATCH v6 22/24] vfio: Add VFIO_DEVICE_AT[DE]TACH_IOMMUFD_PT Yi Liu
2023-03-08 13:29 ` [PATCH v6 23/24] vfio: Compile group optionally Yi Liu
2023-03-10  9:03   ` Tian, Kevin
2023-03-08 13:29 ` [PATCH v6 24/24] docs: vfio: Add vfio device cdev description Yi Liu

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