Re: [PATCH] use unfair spinlock when running on hypervisor.

Valdis.Kletnieks
2010-06-01T17:39:57Z

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On Tue, 01 Jun 2010 19:52:28 +0300, Avi Kivity said:
> On 06/01/2010 07:38 PM, Andi Kleen wrote:
> >>> Your new code would starve again, right?
> > Try it on a NUMA system with unfair memory.

> We are running everything on NUMA (since all modern machines are now
> NUMA). At what scale do the issues become observable?

My 6-month-old laptop is NUMA? Comes as a surprise to me, and to the
perfectly-running NUMA=n kernel I'm running.

Or did you mean a less broad phrase than "all modern machines"?

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