linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Andreas Schwab <schwab@suse.de>
To: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Giuliano Pochini <pochini@denise.shiny.it>,
	linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org,
	spyro@f2s.com, rmk@arm.linux.org.uk
Subject: Re: /sys/devices/system/cpu/cpuX/online are missing
Date: Tue, 13 Mar 2007 10:44:31 +0100	[thread overview]
Message-ID: <jetzwpscjk.fsf@sykes.suse.de> (raw)
In-Reply-To: <20070313090350.GA9890@osiris.boeblingen.de.ibm.com> (Heiko Carstens's message of "Tue, 13 Mar 2007 10:03:50 +0100")

Heiko Carstens <heiko.carstens@de.ibm.com> writes:

> On Tue, Mar 13, 2007 at 01:39:25AM +0100, Andreas Schwab wrote:
>> Giuliano Pochini <pochini@denise.shiny.it> writes:
>> 
>> > I had a look at arch/powerpc/kernel/smp.c but I'm not familiar at all with 
>> > those parts of the kernel.
>> 
>> See arch/powerpc/kernel/sysfs.c:topology_init.  I don't think there is
>> anything to do here.  You probably don't have CONFIG_HOTPLUG_CPU enabled.
>
> I was referring to arch/ppc not arch/powerpc.

Sorry, I missed that part.

> But it seems that arch/ppc doesn't support cpu hotplug anyway.

I think if there is no hotplug support then the file should not be created
in the first place.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
PGP key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."

      parent reply	other threads:[~2007-03-13  9:44 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-03-11 21:26 /sys/devices/system/cpu/cpuX/online are missing Giuliano Pochini
2007-03-11 21:42 ` Lee Revell
2007-03-12  8:58 ` Heiko Carstens
2007-03-12 22:48   ` Giuliano Pochini
2007-03-13  0:39     ` Andreas Schwab
2007-03-13  9:03       ` Heiko Carstens
2007-03-13  9:11         ` Heiko Carstens
2007-03-13  9:40           ` Russell King
2007-03-13  9:56             ` Russell King
2007-03-14 23:30               ` Giuliano Pochini
2007-03-13  9:44         ` Andreas Schwab [this message]

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=jetzwpscjk.fsf@sykes.suse.de \
    --to=schwab@suse.de \
    --cc=heiko.carstens@de.ibm.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=pochini@denise.shiny.it \
    --cc=rmk@arm.linux.org.uk \
    --cc=spyro@f2s.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;
as well as URLs for NNTP newsgroup(s).