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task_work: Introduce task_work_pending
Wrap the test of task->task_works in a helper function to make it clear what is being tested. All of the other readers of task->task_work use READ_ONCE and this is even necessary on current as other processes can update task->task_work. So for consistency I have added READ_ONCE into task_work_pending. Reviewed-by: Kees Cook <[email protected]> Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: "Eric W. Biederman" <[email protected]>
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