Files
linux-nvgpu/drivers/gpu/nvgpu/common/nvs
Debarshi Dutta 3d95f2b803 gpu: nvgpu: add support for event queue observers
Add support for accessing Event Queue for non-exclusive
users. Allows, non-exclusive users to open Event Queues
before exclusive users. Non-Exclusive users can only
use the Event Queue in a read-only mode.

Add VM_SHARED for Event Queues across all users instead of just
Read-Only users. Event queues are shared with multiple processes
and as such require VM_SHARED across all users(exclusive and
observers).

Jira NVGPU-8608

Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Change-Id: Id9733c2511ded6f06dd9feea880005bdc92e51a0
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvgpu/+/2745083
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
GVS: Gerrit_Virtual_Submit
2022-07-29 00:04:51 -07:00
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