* Huang Rui <ray.hu...@amd.com> wrote: > No, the timeout value doesn't decide how 'deep' the power state > enters. Basically, the same power consumption with any timeout. > > I summarized the comparison of mwait and mwaitx > > MWAIT MWAITX > opcode 0f 01 c9 | 0f 01 fb > ECX[0] value of RFLAGS.IF seen by instruction > ECX[1] unused/#GP if set | enable timer if set > ECX[31:2] unused/#GP if set > EAX unused > EBX[31:0] unused | max wait time (loops) > > > MONITOR MONITORX > opcode 0f 01 c8 | 0f 01 fa > EAX (logical) address to monitor > ECX #GP if not zero
Ok, thanks for the clarification! Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/