cvs commit: src/sys/amd64/amd64 identcpu.c src/sys/i386/i386 identcpu.c

Nate Lawson nate at
Mon Oct 17 18:11:16 PDT 2005

Jung-uk Kim wrote:
> On Monday 17 October 2005 06:00 pm, Brooks Davis wrote:
>>I'm not sure that I care what dmesg says, but I do want an accurate
>>view of our topology presented by the system, not some arbitrary
>>and frankly meaningless CPU count.  If nothing else I care because
>>the two cores share one memory controller.  That may not be all
>>that noticable now for normal application, but I expect it will be
>>once we start seeing 4+ core CPUs.  Telling the user the (somewhat
>>complicated) truth about their hardware is part of "doing it
> I believe we have to implement ACPI SRAT (Static Resource Affinity 
> Table) and SLIT (System Locality Information Table) to achieve this.  
> Linux already does this for i386, amd64, and i64:

I'm happy to review any patches to implement this.


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