> The stack trace below shows an example of the problem. In this case > the master cpu is not running from NMI but it has parked the slave > CPUs using an NMI and the parked CPUs is holding spinlocks needed by > schedule_work(). Add description information > Signed-off-by: LiuYe <liu.yeC@xxxxxxx> > Co-authored-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> > Signed-off-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> Add Co-authored-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx> Signed-off-by: Daniel Thompson <daniel.thompson@xxxxxxxxxx>