Re: 2.6.12-mm1 boot failure on NUMA box.

From: Lee Revell
Date: Sat Jun 25 2005 - 16:56:57 EST


On Sat, 2005-06-25 at 14:03 -0700, Martin J. Bligh wrote:
> I have no intent, nor method, of doing so. rdtsc is a direct instruction,
> without intervention, as I understand it.

I thought so too, but it turns out the CPU lets you disable it at boot.
This was suggested as a possible fix for the alleged hyperthreading
vulnerability.

Lee

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