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

From: Yinghai Lu
Date: Tue Feb 26 2008 - 16:09:23 EST


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.
>
>
> >2. some system will be treated wrong.
> >my four sockets system
> >ACPI: SLIT: nodes = 4
> > 10 13 13 16
> > 13 10 16 13
> > 13 16 10 13
> > 16 13 13 10
> >my eight sockets system
>
> This makes it difficult to use SLIT for multi chassi detection then :(.
> Did not know such SLIT tables existed on single board machines.
Yes

YH
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