vfio/mlx5: Protect mlx5vf_disable_fds() upon close device

Browse source

[ Upstream commit 2b1c190628 ]

Protect mlx5vf_disable_fds() upon close device to be called under the
state mutex as done in all other places.

This will prevent a race with any other flow which calls
mlx5vf_disable_fds() as of health/recovery upon
MLX5_PF_NOTIFY_DISABLE_VF event.

Encapsulate this functionality in a separate function named
mlx5vf_cmd_close_migratable() to consider migration caps and for further
usage upon close device.

Fixes: 6fadb02126 ("vfio/mlx5: Implement vfio_pci driver for mlx5 devices")
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yishai Hadas <yishaih@nvidia.com>
Link: https://lore.kernel.org/r/20220628155910.171454-2-yishaih@nvidia.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

This commit is contained in:

Yishai Hadas 2022-06-28 18:59:09 +03:00 • committed by Greg Kroah-Hartman

parent 8d201dedc7

commit 74b2877169

3 changed files with 12 additions and 1 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

10

drivers/vfio/pci/mlx5/cmd.c

View file

1

drivers/vfio/pci/mlx5/cmd.h

View file

2

drivers/vfio/pci/mlx5/main.c

View file