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This also >> allows cpuidle-haltpoll to be tested on baremetal. > > I would hope that we will have this functionality as the default on > baremetal after testing in the future. Yeah, supporting haltpoll style adaptive polling on baremetal has some way to go. But, with Lifeng's patch-6 "ACPI: processor_idle: Support polling state for LPI" we do get polling support in acpi-idle. > Reviewed-by; Christoph Lameter (Ampere) Thanks Christoph! -- ankur