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SubjectRe: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2
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@scalemp.com> 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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