Messages in this thread | | | Date | Mon, 30 Sep 2002 21:18:48 -0700 (PDT) | Subject | Re: [patch] smptimers, old BH removal, tq-cleanup, 2.5.39 | From | "David S. Miller" <> |
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From: Ingo Molnar <mingo@elte.hu> Date: Tue, 1 Oct 2002 05:51:45 +0200 (CEST)
- /* - * ok, Intel has some smart code in their APIC that knows - * if a CPU was in 'hlt' lowpower mode, and this increases - * its APIC arbitration priority. To avoid the external timer - * IRQ APIC event being in synchron with the APIC clock we - * introduce an interrupt skew to spread out timer events. - * - * The number of slices within a 'big' timeslice is NR_CPUS+1 - */ -
I did some thinking, and I don't understand how this old code can be legal. Doesn't this make do_gettimeofday() inaccurate?
I must be missing something. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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