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, clegoate@redhat.com
Subject: [PATCH v8 01/10] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset()
Date: Fri, 16 Jun 2023 02:30:33 -0700 [thread overview]
Message-ID: <20230616093042.65094-2-yi.l.liu@intel.com> (raw)
In-Reply-To: <20230616093042.65094-1-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 ec7e662de033..f4153fd22a87 100644
--- a/drivers/vfio/pci/vfio_pci_core.c
+++ b/drivers/vfio/pci/vfio_pci_core.c
@@ -1311,9 +1311,8 @@ 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:[~2023-06-16 9:31 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-16 9:30 [PATCH v8 00/10] Enhance vfio PCI hot reset for vfio cdev device Yi Liu
2023-06-16 9:30 ` Yi Liu [this message]
2023-06-16 9:30 ` [PATCH v8 02/10] vfio/pci: Move the existing hot reset logic to be a helper Yi Liu
2023-06-16 9:30 ` [PATCH v8 03/10] iommufd: Reserve all negative IDs in the iommufd xarray Yi Liu
2023-06-16 9:30 ` [PATCH v8 04/10] iommufd: Add iommufd_ctx_has_group() Yi Liu
2023-06-16 9:30 ` [PATCH v8 05/10] iommufd: Add helper to retrieve iommufd_ctx and devid Yi Liu
2023-06-16 9:30 ` [PATCH v8 06/10] vfio: Mark cdev usage in vfio_device Yi Liu
2023-06-16 9:30 ` [PATCH v8 07/10] vfio: Add helper to search vfio_device in a dev_set Yi Liu
2023-06-16 9:30 ` [PATCH v8 08/10] vfio/pci: Extend VFIO_DEVICE_GET_PCI_HOT_RESET_INFO for vfio device cdev Yi Liu
2023-06-22 15:22 ` Jason Gunthorpe
2023-06-16 9:30 ` [PATCH v8 09/10] vfio/pci: Copy hot-reset device info to userspace in the devices loop Yi Liu
2023-06-16 9:30 ` [PATCH v8 10/10] vfio/pci: Allow passing zero-length fd array in VFIO_DEVICE_PCI_HOT_RESET Yi Liu
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