From: Andi Kleen <andi@firstfloor.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Vegard Nossum <vegard.nossum@gmail.com>,
Paul Menage <menage@google.com>,
Max Krasnyansky <maxk@qualcomm.com>, Paul Jackson <pj@sgi.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
miaox@cn.fujitsu.com, rostedt@goodmis.org,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: current linux-2.6.git: cpusets completely broken
Date: Sun, 13 Jul 2008 17:29:26 +0200 [thread overview]
Message-ID: <87vdz9ztt5.fsf@basil.nowhere.org> (raw)
In-Reply-To: <alpine.LFD.1.10.0807121411350.2875@woody.linux-foundation.org> (Linus Torvalds's message of "Sat, 12 Jul 2008 14:30:33 -0700 (PDT)")
Linus Torvalds <torvalds@linux-foundation.org> writes:
>
> Btw - the way to avoid this whole problem might be to make CPU migration
> use a *different* CPU map than "online".
In general I think we need more such masks. Some time ago I had
a patch to introduce cpu_ever_online_mask, which prevented some
problems with accessing uninitialized per cpu data.
-Andi
next prev parent reply other threads:[~2008-07-13 15:29 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-11 19:07 current linux-2.6.git: cpusets completely broken Vegard Nossum
2008-07-11 19:36 ` Paul Menage
2008-07-11 19:43 ` Vegard Nossum
2008-07-11 20:07 ` Max Krasnyansky
2008-07-11 23:03 ` Dmitry Adamushko
2008-07-11 23:19 ` Max Krasnyansky
2008-07-11 23:53 ` Dmitry Adamushko
2008-07-12 3:17 ` Vegard Nossum
2008-07-12 3:28 ` Linus Torvalds
2008-07-12 10:00 ` Miao Xie
2008-07-12 11:05 ` Dmitry Adamushko
2008-07-12 19:15 ` Linus Torvalds
2008-07-12 10:04 ` Dmitry Adamushko
2008-07-12 19:19 ` Max Krasnyansky
2008-07-12 20:10 ` Linus Torvalds
2008-07-12 21:30 ` Linus Torvalds
2008-07-12 22:07 ` Linus Torvalds
2008-07-12 22:43 ` Max Krasnyansky
2008-07-12 23:01 ` Linus Torvalds
2008-07-12 23:00 ` Vegard Nossum
2008-07-12 23:04 ` Linus Torvalds
2008-07-12 23:19 ` Dmitry Adamushko
2008-07-12 23:25 ` Dmitry Adamushko
2008-07-12 23:05 ` Dmitry Adamushko
2008-07-12 23:17 ` Linus Torvalds
2008-07-13 9:53 ` Dmitry Adamushko
2008-07-13 17:10 ` Linus Torvalds
2008-07-13 17:42 ` Ingo Molnar
2008-07-13 17:46 ` Linus Torvalds
2008-07-13 18:13 ` Dmitry Adamushko
2008-07-13 18:19 ` Ingo Molnar
2008-07-13 18:38 ` Linus Torvalds
2008-07-13 18:20 ` Linus Torvalds
2008-07-12 23:25 ` Vegard Nossum
2008-07-13 15:29 ` Andi Kleen [this message]
2008-07-14 15:49 ` Mike Travis
2008-07-14 22:38 ` Dmitry Adamushko
2008-07-14 23:05 ` Linus Torvalds
2008-07-15 0:00 ` Dmitry Adamushko
2008-07-15 0:23 ` Linus Torvalds
2008-07-15 2:21 ` Dmitry Adamushko
2008-07-15 3:03 ` Max Krasnyansky
2008-07-15 4:12 ` Linus Torvalds
2008-07-15 8:32 ` Ingo Molnar
2008-07-15 8:42 ` Max Krasnyansky
2008-07-15 8:57 ` Ingo Molnar
2008-07-15 9:12 ` Max Krasnyansky
2008-07-16 6:35 ` Max Krasnyansky
2008-07-16 7:10 ` Peter Zijlstra
2008-07-16 17:01 ` Max Krasnyansky
2008-07-15 3:23 ` Steven Rostedt
2008-07-15 3:36 ` Linus Torvalds
2008-07-15 3:47 ` Steven Rostedt
2008-07-15 4:04 ` Linus Torvalds
2008-07-15 4:16 ` Steven Rostedt
-- strict thread matches above, loose matches on Subject: below --
2008-07-12 10:45 Dmitry Adamushko
2008-07-12 11:14 ` Dmitry Adamushko
2008-07-13 0:10 ` Dmitry Adamushko
2008-07-13 8:50 ` Vegard Nossum
2008-07-13 9:41 ` Ingo Molnar
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=87vdz9ztt5.fsf@basil.nowhere.org \
--to=andi@firstfloor.org \
--cc=a.p.zijlstra@chello.nl \
--cc=dmitry.adamushko@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=maxk@qualcomm.com \
--cc=menage@google.com \
--cc=miaox@cn.fujitsu.com \
--cc=mingo@elte.hu \
--cc=pj@sgi.com \
--cc=rostedt@goodmis.org \
--cc=tglx@linutronix.de \
--cc=torvalds@linux-foundation.org \
--cc=vegard.nossum@gmail.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