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| /openbmc/linux/drivers/vdpa/mlx5/net/ |
| H A D | mlx5_vnet.c | diff 759ae7f9bf1e6b7f5c9c197d7207e2be1dfd74b1 Wed May 18 08:38:04 CDT 2022 Eli Cohen <elic@nvidia.com> vdpa/mlx5: Use readers/writers semaphore instead of mutex
Reading statistics could be done intensively and by several processes
concurrently. Reader's lock is sufficient in this case.
Change reslock from mutex to a rwsem.
Suggested-by: Si-Wei Liu <si-wei.liu@oracle.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20220518133804.1075129-7-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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