Messages in this thread |  | | | Date | Fri, 24 May 2002 17:36:27 +0200 | | From | Kasper Dupont <> | | Subject | Re: It hurts when I shoot myself in the foot |
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Alan Cox wrote: > > > If the kernel knew multipliers couldn't it actually use the TSCs > > anyway? Of course it would take some work, but is there any > > reason why it would not be posible? > > In 2.4 yes. In 2.5 it would be close to impossible due to the pre-empt code
Couldn't that be solved in one of the following ways?
1) Disable pre-emption while reading TSC and CPU nr. 2) Use affinity for processes pre-empted in kernel mode. 3) Disable pre-emption for SMP systems.
-- Kasper Dupont -- der bruger for meget tid på usenet. For sending spam use mailto:razor-report@daimi.au.dk - 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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