[PATCH RFC 0/5] powerpc:numa Add serial nid support

Nishanth Aravamudan nacc at linux.vnet.ibm.com
Tue Sep 29 03:04:55 AEST 2015


On 28.09.2015 [13:44:42 +0300], Denis Kirjanov wrote:
> On 9/27/15, Raghavendra K T <raghavendra.kt at linux.vnet.ibm.com> wrote:
> > Problem description:
> > Powerpc has sparse node numbering, i.e. on a 4 node system nodes are
> > numbered (possibly) as 0,1,16,17. At a lower level, we map the chipid
> > got from device tree is naturally mapped (directly) to nid.
> 
> Interesting thing to play with, I'll try to test it on my POWER7 box,
> but it doesn't have the OPAL layer :(

Note that it's also interesting to try it under PowerVM, with odd NUMA
topologies and report any issues found :)


-Nish



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