Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2

[Ravikiran Thirumalai]

On Tue, Feb 26, 2008 at 01:10:57PM -0800, Yinghai Lu wrote:
>On Tue, Feb 26, 2008 at 12:32 PM, Ravikiran Thirumalai
><kiran@xxxxxxxxxxx> wrote:
>> On Tue, Feb 26, 2008 at 11:00:58AM -0800, Yinghai Lu wrote:
>>  >
>>  >1. if acpi=off ?
>>
>>  Well that is not a realistic scenario for any multi chassi NUMA machine,
>>  since the proximity information is very important and turning acpi off
>>  deprives the OS of this information.
>
>actually OS should detect the distance instead of rely on SLIT.

How does it do that?  ACPI SRAT	is needed to determine this, and it wouldn't
work if acpi=off.
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