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From: Yi Liu <yi.l.liu@intel.com>
To: alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com
Cc: mjrosato@linux.ibm.com, jasowang@redhat.com,
	xudong.hao@intel.com, zhenzhong.duan@intel.com,
	peterx@redhat.com, terrence.xu@intel.com,
	chao.p.peng@linux.intel.com, linux-s390@vger.kernel.org,
	yi.l.liu@intel.com, kvm@vger.kernel.org, lulu@redhat.com,
	yanting.jiang@intel.com, joro@8bytes.org, nicolinc@nvidia.com,
	yan.y.zhao@intel.com, intel-gfx@lists.freedesktop.org,
	eric.auger@redhat.com, intel-gvt-dev@lists.freedesktop.org,
	yi.y.sun@linux.intel.com, clegoate@redhat.com, cohuck@redhat.com,
	shameerali.kolothum.thodi@huawei.com,
	suravee.suthikulpanit@amd.com, robin.murphy@arm.com
Subject: [Intel-gfx] [PATCH v7 1/9] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset()
Date: Fri,  2 Jun 2023 05:15:07 -0700	[thread overview]
Message-ID: <20230602121515.79374-2-yi.l.liu@intel.com> (raw)
In-Reply-To: <20230602121515.79374-1-yi.l.liu@intel.com>

This suits more on what the code does.

Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Terrence Xu <terrence.xu@intel.com>
Signed-off-by: Yi Liu <yi.l.liu@intel.com>
---
 drivers/vfio/pci/vfio_pci_core.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
index a5ab416cf476..f824de4dbf27 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -1308,9 +1308,8 @@ static int vfio_pci_ioctl_pci_hot_reset(struct vfio_pci_core_device *vdev,
 	}
 
 	/*
-	 * For each group_fd, get the group through the vfio external user
-	 * interface and store the group and iommu ID.  This ensures the group
-	 * is held across the reset.
+	 * Get the group file for each fd to ensure the group is held across
+	 * the reset
 	 */
 	for (file_idx = 0; file_idx < hdr.count; file_idx++) {
 		struct file *file = fget(group_fds[file_idx]);
-- 
2.34.1


  reply	other threads:[~2023-06-02 12:15 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-02 12:15 [Intel-gfx] [PATCH v7 0/9] Enhance vfio PCI hot reset for vfio cdev device Yi Liu
2023-06-02 12:15 ` Yi Liu [this message]
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 2/9] vfio/pci: Move the existing hot reset logic to be a helper Yi Liu
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 3/9] iommufd: Reserve all negative IDs in the iommufd xarray Yi Liu
2023-06-13 11:46   ` Jason Gunthorpe
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 4/9] iommufd: Add iommufd_ctx_has_group() Yi Liu
2023-06-08 21:40   ` Alex Williamson
2023-06-08 23:44     ` Liu, Yi L
2023-06-13 11:46   ` Jason Gunthorpe
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 5/9] iommufd: Add helper to retrieve iommufd_ctx and devid Yi Liu
2023-06-13 11:47   ` Jason Gunthorpe
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 6/9] vfio: Mark cdev usage in vfio_device Yi Liu
2023-06-13 17:56   ` Jason Gunthorpe
2023-06-14  5:56     ` Liu, Yi L
2023-06-14 12:11       ` Jason Gunthorpe
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 7/9] vfio: Add helper to search vfio_device in a dev_set Yi Liu
2023-06-13 11:47   ` Jason Gunthorpe
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 8/9] vfio/pci: Extend VFIO_DEVICE_GET_PCI_HOT_RESET_INFO for vfio device cdev Yi Liu
2023-06-08 22:26   ` Alex Williamson
2023-06-09  0:04     ` Liu, Yi L
2023-06-13 11:46   ` Jason Gunthorpe
2023-06-13 12:50     ` Liu, Yi L
2023-06-13 14:32       ` Alex Williamson
2023-06-13 17:40         ` Jason Gunthorpe
2023-06-13 18:23   ` Jason Gunthorpe
2023-06-14 10:35     ` Liu, Yi L
2023-06-14 12:17       ` Jason Gunthorpe
2023-06-14 13:05         ` Liu, Yi L
2023-06-14 13:37           ` Jason Gunthorpe
2023-06-15  3:31             ` Liu, Yi L
2023-06-02 12:15 ` [Intel-gfx] [PATCH v7 9/9] vfio/pci: Allow passing zero-length fd array in VFIO_DEVICE_PCI_HOT_RESET Yi Liu
2023-06-08 22:30   ` Alex Williamson
2023-06-09  0:13     ` Liu, Yi L
2023-06-09 14:38       ` Jason Gunthorpe
2023-06-13 18:09   ` Jason Gunthorpe
2023-06-02 15:14 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Enhance vfio PCI hot reset for vfio cdev device (rev5) Patchwork
2023-06-02 15:29 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2023-06-04 20:05 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2023-06-08  6:59 ` [Intel-gfx] [PATCH v7 0/9] Enhance vfio PCI hot reset for vfio cdev device Jiang, Yanting
2023-06-13 20:47 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Enhance vfio PCI hot reset for vfio cdev device (rev6) Patchwork
2023-06-14 15:47 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Enhance vfio PCI hot reset for vfio cdev device (rev7) Patchwork

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