CPU writes to the local_t data. This is done by using per cpu data and making
sure that we modify it from within a preemption safe context. It is however
permitted to read local_t data from any CPU : it will then appear to be written
CPU writes to the local_t data. This is done by using per cpu data and making
sure that we modify it from within a preemption safe context. It is however
permitted to read local_t data from any CPU : it will then appear to be written