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umad
2014 Jun 20
0
Access permissions of passed through character devices
...adapter through to the guest container. However, within the container the access permissions are not the same. Within the host they are like this:
crw-rw-rw- 1 root root 10, 56 20. Jun 09:40 rdma_cm
crw-rw-rw- 1 root root 231, 224 20. Jun 09:41 ucm0
crw-rw-rw- 1 root root 231, 0 20. Jun 09:41 umad0
crw-rw-rw- 1 root root 231, 1 20. Jun 09:41 umad1
crw-rw-rw- 1 root root 231, 192 20. Jun 09:41 uverbs0
Within the guest, only root may read or write from/to the device:
crw------- 1 root root 10, 56 20. Jun 09:40 rdma_cm
crw------- 1 root root 231, 224 20. Jun 09:41 ucm0
crw------- 1 root ro...