Paul E. McKenney 6b8646a9d3 torture: Wake up kthreads after storing task_struct pointer ...

Currently, _torture_create_kthread() uses kthread_run() to create
torture-test kthreads, which means that the resulting task_struct
pointer is stored after the newly created kthread has been marked
runnable.  This in turn can cause spurious failure of checks for
code being run by a particular kthread.  This commit therefore changes
_torture_create_kthread() to use kthread_create(), then to do an explicit
wake_up_process() after the task_struct pointer has been stored.

Reported-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Neeraj Upadhyay <quic_neeraju@quicinc.com>
Reviewed-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>

2022-02-01 17:24:39 -08:00

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