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

[Raghavendra K T]

On 09/30/2015 01:16 AM, Denis Kirjanov wrote:
> On 9/29/15, Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx> wrote:
> > On 09/28/2015 10:34 PM, Nishanth Aravamudan wrote:
> > > On 28.09.2015 [13:44:42 +0300], Denis Kirjanov wrote:
> > > > On 9/27/15, Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx> 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 :(
> >
> > Hi Denis,
> > Thanks for your interest. I have pushed the patches to
> >
> > https://github.com/ktraghavendra/linux/tree/serialnuma_v1 if it makes
> >    patches easy to grab.
>
> Thanks!
> One sad thing is that I can't test the actual node id mapping now
> since currently I have an access to machine with only one memory node
> :/ Can we fake it through qemu?

faking the sparse numa ids is possible with Nish's patch for qemu:

https://lists.gnu.org/archive/html/qemu-devel/2014-06/msg05826.html

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/