Re: [PATCH] raise tsc clocksource rating

From: Glauber de Oliveira Costa
Date: Tue Oct 30 2007 - 08:13:40 EST


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Ingo Molnar escreveu:
> * Rusty Russell <rusty@xxxxxxxxxxxxxxx> wrote:
>
> and just in case it's not obvious: i am not arguing for the inclusion of
> the patch, i'm just pointing out the plain fact that in the case where
> the TSC _is_ reliable, 5 different clocksource drivers for has obvious
> disadvantages. Anyone arguing against that simple point needs his head
> examined :) Once we can pass around calibration information from the
> host to the guest (which we dont do at the moment) there will be reason
> not to use the native clocksource driver in the guest.
If you sustain that we cannot have a reliable synchronization test
mechanism, neither do I. All this is based in the assumption that a bad
tsc will fail such tests.

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