Messages in this thread | | | From | Andi Kleen <> | Subject | Re: is minimum udelay() not respected in preemptible SMP kernel-2.6.23? | Date | Thu, 8 Nov 2007 00:10:44 +0100 |
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> Ow. Yes, from my reading delay_tsc() can return early (or after > heat-death-of-the-universe) if the TSCs are offset and if preemption > migrates the calling task between CPUs. > > I suppose a lameo fix would be to disable preemption in delay_tsc().
Yes. Can't think of any better reasonable fix.
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