From: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
To: Nathan Lynch <nathanl@linux.ibm.com>
Cc: Tyrel Datwyler <tyreld@linux.ibm.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
Bharata B Rao <bharata@linux.ibm.com>
Subject: Re: [PATCH] powerpc/numa: Restrict possible nodes based on platform
Date: Tue, 7 Jul 2020 08:23:58 +0530 [thread overview]
Message-ID: <20200707025358.GB874@linux.vnet.ibm.com> (raw)
In-Reply-To: <874kqkf91s.fsf@linux.ibm.com>
* Nathan Lynch <nathanl@linux.ibm.com> [2020-07-06 19:44:31]:
> Tyrel Datwyler <tyreld@linux.ibm.com> writes:
> >> --- a/arch/powerpc/mm/numa.c
> >> +++ b/arch/powerpc/mm/numa.c
> >> @@ -897,7 +897,7 @@ static void __init find_possible_nodes(void)
> >> return;
> >>
> >> if (of_property_read_u32_index(rtas,
> >> - "ibm,max-associativity-domains",
> >> + "ibm,current-associativity-domains",
> >
> > I'm not sure ibm,current-associativity-domains is guaranteed to exist on older
> > firmware. You may need check that it exists and fall back to
> > ibm,max-associativity-domains in the event it doesn't
>
> Yes. Looks like it's a PowerVM-specific property.
Right, this is just a PowerVM specific property and doesn't affect PowerNV.
On PowerNV thought we have sparse nodes, the max possible nodes is set
correctly.
--
Thanks and Regards
Srikar Dronamraju
next prev parent reply other threads:[~2020-07-07 2:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-06 6:40 [PATCH] powerpc/numa: Restrict possible nodes based on platform Srikar Dronamraju
2020-07-06 20:58 ` Tyrel Datwyler
2020-07-07 0:44 ` Nathan Lynch
2020-07-07 2:53 ` Srikar Dronamraju [this message]
2020-07-07 2:50 ` Srikar Dronamraju
2020-07-06 23:19 ` Nathan Lynch
2020-07-07 5:02 ` Michael Ellerman
2020-07-07 8:42 ` Srikar Dronamraju
2020-07-10 17:41 ` Nathan Lynch
2020-07-15 12:05 ` [PATCH 1/2] powerpc/numa: Limit possible nodes to within num_possible_nodes Srikar Dronamraju
2020-07-15 12:05 ` [PATCH 2/2] powerpc/numa: Remove a redundant variable Srikar Dronamraju
2020-07-22 3:28 ` Nathan Lynch
2020-07-22 3:14 ` [PATCH 1/2] powerpc/numa: Limit possible nodes to within num_possible_nodes Nathan Lynch
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