From: Nishanth Aravamudan <nacc@linux.vnet.ibm.com>
To: Denis Kirjanov <kda@linux-powerpc.org>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
benh@kernel.crashing.org, paulus@samba.org, mpe@ellerman.id.au,
nikunj@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
anton@samba.org, grant.likely@linaro.org, cl@linux.com,
khandual@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org,
gkurz@linux.vnet.ibm.com
Subject: Re: [PATCH RFC 0/5] powerpc:numa Add serial nid support
Date: Mon, 28 Sep 2015 10:04:55 -0700 [thread overview]
Message-ID: <20150928170455.GA48470@linux.vnet.ibm.com> (raw)
In-Reply-To: <CAOJe8K1P+o9WsU1yW3aDJ5o5834hKU7qwSF3ZzdZef=iUY0-Aw@mail.gmail.com>
On 28.09.2015 [13:44:42 +0300], Denis Kirjanov wrote:
> On 9/27/15, Raghavendra K T <raghavendra.kt@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
next prev parent reply other threads:[~2015-09-28 17:05 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-27 18:29 [PATCH RFC 0/5] powerpc:numa Add serial nid support Raghavendra K T
2015-09-27 18:29 ` [PATCH RFC 1/5] powerpc:numa Add numa_cpu_lookup function to update lookup table Raghavendra K T
2015-09-27 18:29 ` Raghavendra K T
2015-09-27 18:41 ` Raghavendra K T
2015-10-06 10:17 ` [RFC, " Michael Ellerman
2015-10-06 10:33 ` Raghavendra K T
2015-09-27 18:29 ` [PATCH RFC 2/5] powerpc:numa Rename functions referring to nid as chipid Raghavendra K T
2015-09-27 18:29 ` Raghavendra K T
2015-09-28 17:27 ` Nishanth Aravamudan
2015-09-29 18:31 ` Raghavendra K T
2015-09-27 18:29 ` [PATCH RFC 3/5] powerpc:numa create 1:1 mappaing between chipid and nid Raghavendra K T
2015-09-27 18:29 ` Raghavendra K T
2015-09-28 17:28 ` Nishanth Aravamudan
2015-09-28 17:28 ` Nishanth Aravamudan
2015-09-29 18:35 ` Raghavendra K T
2015-09-29 18:35 ` Raghavendra K T
2015-09-28 17:35 ` Nishanth Aravamudan
2015-09-28 17:35 ` Nishanth Aravamudan
2015-09-29 19:20 ` Raghavendra K T
2015-09-29 19:20 ` Raghavendra K T
2015-09-27 18:29 ` [PATCH RFC 4/5] powerpc:numa Add helper functions to maintain chipid to nid mapping Raghavendra K T
2015-09-27 18:29 ` Raghavendra K T
2015-09-28 17:32 ` Nishanth Aravamudan
2015-09-29 19:00 ` Raghavendra K T
2015-09-27 18:29 ` [PATCH RFC 5/5] powerpc:numa Use chipid to nid mapping to get serial numa node ids Raghavendra K T
2015-09-27 18:29 ` Raghavendra K T
2015-09-28 10:44 ` [PATCH RFC 0/5] powerpc:numa Add serial nid support Denis Kirjanov
2015-09-28 17:04 ` Nishanth Aravamudan [this message]
2015-09-29 18:20 ` Raghavendra K T
2015-09-29 19:46 ` Denis Kirjanov
2015-09-30 6:16 ` Raghavendra K T
2015-09-28 17:34 ` Nishanth Aravamudan
2015-09-29 19:10 ` Raghavendra K T
2015-10-06 10:25 ` Michael Ellerman
2015-10-06 11:15 ` Raghavendra K T
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