Messages in this thread | | | Date | Tue, 26 Feb 2008 13:24:18 -0800 | From | Ravikiran Thirumalai <> | Subject | Re: [PATCH] x86_64: make amd quad core 8 socket system not be clustered_box v2 |
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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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