From: Michael Ellerman <mpe@ellerman.id.au>
To: Michael Bringmann <mwb@linux.vnet.ibm.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Michael Bringmann <mwb@linux.vnet.ibm.com>,
David Gibson <david@gibson.dropbear.id.au>,
Reza Arbab <arbab@linux.vnet.ibm.com>,
John Allen <jallen@linux.vnet.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Bharata B Rao <bharata@linux.vnet.ibm.com>,
Shailendra Singh <shailendras@nvidia.com>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>,
Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Rashmica Gupta <rashmicy@gmail.com>,
Ingo Molnar <mingo@kernel.org>,
Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
Subject: Re: [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for operations
Date: Wed, 21 Jun 2017 19:52:27 +1000 [thread overview]
Message-ID: <878tklu0pw.fsf@concordia.ellerman.id.au> (raw)
In-Reply-To: <b506c509-45c3-fc17-9b83-24b30110748b@linux.vnet.ibm.com>
Michael Bringmann <mwb@linux.vnet.ibm.com> writes:
> powerpc/hotplug: On systems like PowerPC which allow 'hot-add' of CPU
> or memory resources, it may occur that the new resources are to be
> inserted into nodes that were not used for these resources at bootup.
> In the kernel, any node that is used must be defined and initialized
> at boot. In order to meet both needs, this patch adds a new kernel
> command line option (numnodes=<int>) for use by the PowerPC architecture-
Sorry, that's a hack.
I thought you were going to use firmware properties to find the set of
possible nodes. Did that not work?
cheers
next prev parent reply other threads:[~2017-06-21 9:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-20 15:14 [PATCH V6 0/2] powerpc/dlpar: Correct display of hot-add/hot-remove CPUs and memory Michael Bringmann
2017-06-20 15:14 ` [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for operations Michael Bringmann
2017-06-21 9:52 ` Michael Ellerman [this message]
2017-06-21 14:24 ` Michael Bringmann
2017-06-20 15:15 ` [PATCH V6 2/2] powerpc/numa: Update CPU topology when VPHN enabled Michael Bringmann
2017-06-25 0:04 ` kbuild test robot
2017-06-21 9:54 ` [PATCH V6 0/2] powerpc/dlpar: Correct display of hot-add/hot-remove CPUs and memory Michael Ellerman
2017-06-21 14:18 ` Michael Bringmann
-- strict thread matches above, loose matches on Subject: below --
2017-06-19 22:09 Michael Bringmann
2017-06-19 22:10 ` [PATCH V6 1/2] powerpc/hotplug: Ensure enough nodes avail for operations Michael Bringmann
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=878tklu0pw.fsf@concordia.ellerman.id.au \
--to=mpe@ellerman.id.au \
--cc=aneesh.kumar@linux.vnet.ibm.com \
--cc=arbab@linux.vnet.ibm.com \
--cc=benh@kernel.crashing.org \
--cc=bharata@linux.vnet.ibm.com \
--cc=bigeasy@linutronix.de \
--cc=david@gibson.dropbear.id.au \
--cc=jallen@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=mingo@kernel.org \
--cc=mwb@linux.vnet.ibm.com \
--cc=paulus@samba.org \
--cc=rashmicy@gmail.com \
--cc=shailendras@nvidia.com \
--cc=tglx@linutronix.de \
--cc=tyreld@linux.vnet.ibm.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
all inboxes | Powered by JetHome®