From: Heiko Carstens <heiko.carstens@de.ibm.com>
To: Giuliano Pochini <pochini@shiny.it>
Cc: linux-kernel@vger.kernel.org
Subject: Re: /sys/devices/system/cpu/cpuX/online are missing
Date: Mon, 12 Mar 2007 09:58:26 +0100 [thread overview]
Message-ID: <20070312085826.GA9985@osiris.boeblingen.de.ibm.com> (raw)
In-Reply-To: <20070311222652.5ea40da1.pochini@shiny.it>
On Sun, Mar 11, 2007 at 10:26:52PM +0100, Giuliano Pochini wrote:
>
>
> Since 2.6.20 /sys/devices/system/cpu/cpuX/online isn't there anymore. The
> directories exist, though. I also tested linux-2.6.21rc3. I had a look at the
> archives and I found nothing about the removal of that file, which is still
> documented in Documentation/cpu-hotplug.txt. I don't know if other
> architectures are affected.
>
> $ uname -a
> Linux Jay 2.6.20 #1 SMP Mon Feb 5 22:42:18 CET 2007 ppc 7455, altivec supported PowerMac3,6 GNU/Linux
>
> No cpusets. CONFIG_HOTPLUG_CPU=y
Somebody inverted the logic when and if the 'online' attribute for cpu devices
appear. See 72486f1f8f0a2bc828b9d30cf4690cf2dd6807fc.
The fix for s390 is this: 6721f77810dfcb7cbf8e97be6fa43fe2740dd0aa.
Looks like arch/ppc was left out as well.
next prev parent reply other threads:[~2007-03-12 9:01 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 [this message]
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
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