Re: Externalize SLIT table

From: Jesse Barnes
Date: Tue Nov 09 2004 - 17:06:37 EST

On Tuesday, November 09, 2004 3:34 pm, Mark Goodwin wrote:
> On Tue, 9 Nov 2004, Matthew Dobson wrote:
> > ...
> > I don't think we should export the *exact same* node distance information
> > through the CPUs, though.
> We should still export cpu distances though because the distance between
> cpus on the same node may not be equal. e.g. consider a node with multiple
> cpu sockets, each socket with a hyperthreaded (or dual core) cpu.
> Once again however, it depends on the definition of distance. For nodes,
> we've established it's the ACPI SLIT (relative distance to memory). For
> cpus, should it be distance to memory? Distance to cache? Registers? Or
> what?

Yeah, that's a tough call. We should definitely get the node stuff in there
now though, IMO. We can always add the CPU distances later if we figure out
what they should mean.

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