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Review request for mesos, Ben Mahler, Rob Todd, and Vikrama Ditya. Bugs: MESOS-5115 https://issues.apache.org/jira/browse/MESOS-5115 Repository: mesos Description ------- Previously, calls to 'nvidia-smi' would fail inside a container even if access to a GPU had been granted. Moreover, access to /dev/nvidiactl is actually required for a container to do anything useful with a GPU even if it has access to it. This patch explicitly grants/revokes access to /dev/nvidiactl as GPUs are added and removed from a container in the Nvidia GPU isolator. Diffs ----- src/slave/containerizer/mesos/isolators/cgroups/devices/gpus/nvidia.cpp b0f58035c7c819b42e5f249fadd97312f9e3ac7b Diff: https://reviews.apache.org/r/45715/diff/ Testing ------- Thanks, Kevin Klues