Nicholas Piggin writes:
> Current busy-wait loops are implemented by repeatedly calling cpu_relax()
> to give an arch option for a low-latency option to improve power and/or
> SMT resource contention.
>
> This poses some difficulties for powerpc, which has SMT priority setting
> instructions (pri
Current busy-wait loops are implemented by repeatedly calling cpu_relax()
to give an arch option for a low-latency option to improve power and/or
SMT resource contention.
This poses some difficulties for powerpc, which has SMT priority setting
instructions (priorities determine how ifetch cycles a
2 matches
Mail list logo
