Messages in this thread | | | Date | Fri, 10 Nov 2006 12:10:48 +0100 | From | Ingo Molnar <> | Subject | Re: [patch 11/19] i386: Rework local APIC calibration |
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* Arjan van de Ven <arjan@infradead.org> wrote:
> On Thu, 2006-11-09 at 23:38 +0000, Thomas Gleixner wrote: > > plain text document attachment (i386-lapic-calibrate-timer.patch) > > From: Thomas Gleixner <tglx@linutronix.de> > > One question: why do the irq measurement at all if pmtimer is > available?
the pmtimer read will always return zero on platforms where there's no pm-timer clock - in this case the irq measurement is what calibrates.
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