From: Yi Liu <yi.l.liu@intel.com>
To: alex.williamson@redhat.com, jgg@nvidia.com, kevin.tian@intel.com
Cc: joro@8bytes.org, robin.murphy@arm.com, cohuck@redhat.com,
eric.auger@redhat.com, nicolinc@nvidia.com, kvm@vger.kernel.org,
mjrosato@linux.ibm.com, chao.p.peng@linux.intel.com,
yi.l.liu@intel.com, yi.y.sun@linux.intel.com, peterx@redhat.com,
jasowang@redhat.com, shameerali.kolothum.thodi@huawei.com,
lulu@redhat.com, suravee.suthikulpanit@amd.com,
intel-gvt-dev@lists.freedesktop.org,
intel-gfx@lists.freedesktop.org, linux-s390@vger.kernel.org,
xudong.hao@intel.com, yan.y.zhao@intel.com,
terrence.xu@intel.com, yanting.jiang@intel.com,
zhenzhong.duan@intel.com
Subject: [PATCH v4 3/9] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset()
Date: Wed, 26 Apr 2023 07:54:13 -0700 [thread overview]
Message-ID: <20230426145419.450922-4-yi.l.liu@intel.com> (raw)
In-Reply-To: <20230426145419.450922-1-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>
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
next prev parent reply other threads:[~2023-04-26 14:54 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-26 14:54 [PATCH v4 0/9] Enhance vfio PCI hot reset for vfio cdev device Yi Liu
2023-04-26 14:54 ` [PATCH v4 1/9] vfio: Determine noiommu in vfio_device registration Yi Liu
2023-04-27 6:36 ` Tian, Kevin
2023-04-27 7:05 ` Liu, Yi L
2023-04-27 18:35 ` Alex Williamson
2023-04-26 14:54 ` [PATCH v4 2/9] vfio-iommufd: Create iommufd_access for noiommu devices Yi Liu
2023-04-27 6:39 ` Tian, Kevin
2023-04-27 6:59 ` Liu, Yi L
2023-04-27 18:32 ` Alex Williamson
2023-04-28 6:21 ` Yi Liu
2023-04-28 7:00 ` Tian, Kevin
2023-04-28 7:04 ` Yi Liu
2023-04-28 12:07 ` Jason Gunthorpe
2023-04-28 16:07 ` Yi Liu
2023-05-02 18:12 ` Jason Gunthorpe
2023-05-03 9:48 ` Liu, Yi L
2023-05-03 19:42 ` Jason Gunthorpe
2023-05-08 15:46 ` Liu, Yi L
2023-04-28 16:13 ` Yi Liu
2023-05-02 18:22 ` Jason Gunthorpe
2023-05-03 9:57 ` Liu, Yi L
2023-05-03 19:41 ` Jason Gunthorpe
2023-05-03 22:49 ` Alex Williamson
2023-04-26 14:54 ` Yi Liu [this message]
2023-04-26 14:54 ` [PATCH v4 4/9] vfio/pci: Move the existing hot reset logic to be a helper Yi Liu
2023-04-27 6:39 ` Tian, Kevin
2023-04-26 14:54 ` [PATCH v4 5/9] vfio: Mark cdev usage in vfio_device Yi Liu
2023-04-27 6:40 ` Tian, Kevin
2023-04-27 18:43 ` Alex Williamson
2023-04-28 6:42 ` Yi Liu
2023-04-26 14:54 ` [PATCH v4 6/9] iommufd: Reserved -1 in the iommufd xarray Yi Liu
2023-04-27 6:41 ` Tian, Kevin
2023-04-27 7:09 ` Liu, Yi L
2023-04-27 11:55 ` Jason Gunthorpe
2023-04-26 14:54 ` [PATCH v4 7/9] vfio-iommufd: Add helper to retrieve iommufd_ctx and devid for vfio_device Yi Liu
2023-04-27 6:45 ` Tian, Kevin
2023-04-27 7:15 ` Liu, Yi L
2023-04-26 14:54 ` [PATCH v4 8/9] vfio/pci: Extend VFIO_DEVICE_GET_PCI_HOT_RESET_INFO for vfio device cdev Yi Liu
2023-04-27 6:51 ` Tian, Kevin
2023-04-27 20:04 ` Alex Williamson
2023-04-27 20:15 ` Alex Williamson
2023-05-08 15:32 ` Liu, Yi L
2023-05-08 20:29 ` Alex Williamson
2023-04-26 14:54 ` [PATCH v4 9/9] vfio/pci: Allow passing zero-length fd array in VFIO_DEVICE_PCI_HOT_RESET Yi Liu
2023-04-27 6:54 ` Tian, Kevin
2023-04-27 7:02 ` Liu, Yi L
2023-04-27 21:55 ` Alex Williamson
2023-05-02 12:55 ` Liu, Yi L
2023-04-26 15:07 ` [PATCH v4 0/9] Enhance vfio PCI hot reset for vfio cdev device Liu, Yi L
2023-04-28 9:28 ` Jiang, Yanting
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