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2a8914619d
Replace id-based lookup with fd-based lookup when binding a TSG to a domain. The device node based domain interface naturally provides access control; this way userspace tools can limit which uid/gid can access each domain. Also, explicitly disallow binding channels to a TSG that has no runlist domain yet. Normally a TSG is in the default domain if nothing else has been specified, but the default domain can be deleted. Jira NVGPU-6788 Change-Id: I2af96dfc002367d894eaf0c175006332f790c27f Signed-off-by: Konsta Hölttä <kholtta@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2651165 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-misra <svc-mobile-misra@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: Alex Waterman <alexw@nvidia.com> GVS: Gerrit_Virtual_Submit