Re: Spinlocks: Factor our GENERIC_LOCKBREAK in order to avoid spin with irqs disable

[Nick Piggin]

On Tuesday 08 July 2008 01:56, Jeremy Fitzhardinge wrote:
> Nick Piggin wrote:
> > Although, you wouldn't need to oversubscribe physical CPUs to hit
> > suboptimal behaviour.
> >
> > Basically, I just ask for performance improvement to be measured
> > with some "realistic" configuration, then it should be easier to
> > justify.
>
> Overcommitting cpus system-wide is pretty common.

(yes, sorry I meant: oversubscribing with a single guest)
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