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x86_64: Mark LAPIC timer as powersaving capable intr cputimer
authorSepherosa Ziehau <sephe@dragonflybsd.org>
Fri, 10 Jan 2014 13:35:16 +0000 (21:35 +0800)
committerSepherosa Ziehau <sephe@dragonflybsd.org>
Fri, 10 Jan 2014 13:40:38 +0000 (21:40 +0800)
commit8d16855a011a80f265c984e2871c350eec1f9c10
tree7f50e77180fe3a249b1d4e62dabcd3fd1909c396tree | snapshot
parent3b24650b1ea92a1001a692224955a0472ab156dbcommit | diff
x86_64: Mark LAPIC timer as powersaving capable intr cputimer

If CPUID(0x6) has ARAT, then LAPIC timer will not stop in deep C-state.

Thank alexh@ for the necessary information.
sys/platform/pc64/apic/lapic.c diff | blob | blame | history
Nuno's DragonFly repo.