On Sun, May 29, 2011 at 05:41:50AM -0400, Len Brown wrote: > From: Len Brown <len.brown@xxxxxxxxx> > > mwait_idle() is a C1-only idle loop intended to be more efficient > than HLT on SMP hardware that supports it. > > But mwait_idle() has been replaced by the more general > mwait_idle_with_hints(), which handles both C1 and deeper C-states. > ACPI uses only mwait_idle_with_hints(), and never uses mwait_idle(). > > Deprecate mwait_idle() and the "idle=mwait" cmdline param > to simplify the x86 idle code. > > After this change, kernels configured with > (!CONFIG_ACPI=n && !CONFIG_INTEL_IDLE=n) when run on hardware > that support MWAIT will simply use HLT. If MWAIT is desired > on those systems, cpuidle and the cpuidle drivers above > can be used. > > cc: x86@xxxxxxxxxx > cc: stable@xxxxxxxxxx # .39.x Also not going to apply this one. greg k-h _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
