From: Peter Zijlstra <peterz@infradead.org>
To: Kyle Meyer <kyle.meyer@hpe.com>
Cc: x86@kernel.org, tglx@kernel.org, linux-kernel@vger.kernel.org,
tim.c.chen@linux.intel.com, yu.c.chen@intel.com,
vinicius.gomes@intel.com, brgerst@gmail.com, hpa@zytor.com,
kprateek.nayak@amd.com, patryk.wlazlyn@linux.intel.com,
rafael.j.wysocki@intel.com, russ.anderson@hpe.com,
zhao1.liu@intel.com, tony.luck@intel.com
Subject: Re: [RFC][PATCH 3/6] x86/topo: Add __num_nodes_per_package
Date: Fri, 27 Feb 2026 12:57:54 +0100 [thread overview]
Message-ID: <20260227115754.GC1395266@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <aaCG5zN0XvnJf5wB@hpe.com>
On Thu, Feb 26, 2026 at 11:46:15AM -0600, Kyle Meyer wrote:
> > --- a/arch/x86/kernel/cpu/topology.c
> > +++ b/arch/x86/kernel/cpu/topology.c
> > @@ -497,11 +497,18 @@ void __init topology_init_possible_cpus(
> > set_nr_cpu_ids(allowed);
> >
> > cnta = domain_weight(TOPO_PKG_DOMAIN);
> > + cntb = domain_weight(TOPO_NUMA_DOMAIN);
>
> We'll need to check CONFIG_NUMA here.
>
> TOPO_NUMA_DOMAIN is undeclared when CONFIG_NUMA is not set.
Indeed.
next prev parent reply other threads:[~2026-02-27 11:57 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-26 10:49 [RFC][PATCH 0/6] x86/topo: SNC Divination Peter Zijlstra
2026-02-26 10:49 ` [RFC][PATCH 1/6] x86/topo: Store extra copy of SRAT table Peter Zijlstra
2026-02-26 10:49 ` [RFC][PATCH 2/6] x86/topo: Add TOPO_NUMA_DOMAIN Peter Zijlstra
2026-02-27 13:19 ` K Prateek Nayak
2026-02-27 14:06 ` Peter Zijlstra
2026-03-02 4:16 ` K Prateek Nayak
2026-03-02 15:10 ` Peter Zijlstra
2026-03-02 15:35 ` K Prateek Nayak
2026-03-02 16:28 ` Peter Zijlstra
2026-02-26 10:49 ` [RFC][PATCH 3/6] x86/topo: Add __num_nodes_per_package Peter Zijlstra
2026-02-26 17:46 ` Kyle Meyer
2026-02-27 11:57 ` Peter Zijlstra [this message]
2026-02-26 10:49 ` [RFC][PATCH 4/6] x86/topo: Replace x86_has_numa_in_package Peter Zijlstra
2026-02-26 10:49 ` [RFC][PATCH 5/6] x86/topo: Fix SNC topology mess Peter Zijlstra
2026-02-26 17:07 ` Chen, Yu C
2026-02-26 19:00 ` Tim Chen
2026-02-26 22:11 ` Tim Chen
2026-02-26 22:25 ` Tim Chen
2026-02-27 13:01 ` Peter Zijlstra
2026-02-27 19:23 ` Tim Chen
2026-02-28 7:35 ` Chen, Yu C
2026-03-02 16:43 ` Peter Zijlstra
2026-03-03 6:31 ` Zhang Rui
2026-03-03 6:39 ` Chen, Yu C
2026-03-03 8:44 ` Peter Zijlstra
2026-02-27 11:56 ` Peter Zijlstra
2026-02-26 10:49 ` [RFC][PATCH 6/6] x86/resctrl: Fix SNC detection Peter Zijlstra
2026-02-26 19:42 ` Luck, Tony
2026-02-26 20:47 ` Luck, Tony
2026-02-27 9:26 ` Peter Zijlstra
2026-02-26 19:16 ` [RFC][PATCH 0/6] x86/topo: SNC Divination Luck, Tony
2026-03-02 18:21 ` Kyle Meyer
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260227115754.GC1395266@noisy.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=brgerst@gmail.com \
--cc=hpa@zytor.com \
--cc=kprateek.nayak@amd.com \
--cc=kyle.meyer@hpe.com \
--cc=linux-kernel@vger.kernel.org \
--cc=patryk.wlazlyn@linux.intel.com \
--cc=rafael.j.wysocki@intel.com \
--cc=russ.anderson@hpe.com \
--cc=tglx@kernel.org \
--cc=tim.c.chen@linux.intel.com \
--cc=tony.luck@intel.com \
--cc=vinicius.gomes@intel.com \
--cc=x86@kernel.org \
--cc=yu.c.chen@intel.com \
--cc=zhao1.liu@intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox