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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...