Zhao Yakui
authored
"idle=halt" limits the idle loop to using the halt instruction. No MWAIT, no IO accesses, no C-states deeper than C1. If something is broken in the idle code, "idle=halt" is a less severe workaround than "idle=poll" which disables all power savings. Signed-off-by:Zhao Yakui <yakui.zhao@intel.com> Signed-off-by:
Len Brown <len.brown@intel.com> Signed-off-by:
Andi Kleen <ak@linux.intel.com>
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