net/vdpa: Use readers/writers semaphore instead of vdpa_dev_mutex

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Use rw_semaphore instead of mutex to control access to vdpa devices.
This can be especially beneficial in case processes poll on statistics
information.

Suggested-by: Si-Wei Liu <si-wei.liu@oracle.com>
Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Eli Cohen <elic@nvidia.com>
Message-Id: <20220518133804.1075129-4-elic@nvidia.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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Eli Cohen 2022-05-18 16:38:01 +03:00 • committed by Michael S. Tsirkin

parent 13b00b1356

commit 0078ad905d

1 changed files with 32 additions and 32 deletions

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drivers/vdpa/vdpa.c

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