Jonathan Kim 18d556cba7 Fix export-close race during IPC attach request ...

If two attach requests to the same piece of shared memory occur,
a double export or premature dmabuf fd close can occur since the export
and close on demand calls are not atomic.

Use a reference counter on shared memory dmabuf FDs that have
already been opened to avoid this problem.

Change-Id: I14a59209c0385e32582af42a57b33b1c6838a9b1


[ROCm/ROCR-Runtime commit: 1f63ea3476]

2024-02-22 14:12:05 +00:00

projects/rocr-runtime

Fix export-close race during IPC attach request

2024-02-22 14:12:05 +00:00

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