From: "Darrick J. Wong" <djwong@us.ibm.com>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Emmanuel Fust? <emmanuel.fuste@laposte.net>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: Device hang when offlining a CPU due to IRQ misrouting
Date: Fri, 1 Jun 2007 19:19:07 -0700 [thread overview]
Message-ID: <20070602021906.GC13751@tree.beaverton.ibm.com> (raw)
In-Reply-To: <m1sl9bxl7r.fsf@ebiederm.dsl.xmission.com>
On Fri, Jun 01, 2007 at 06:18:32PM -0600, Eric W. Biederman wrote:
> I doubt it. The practical problem is that cpu_down does not
> and by design can not call the irq balancing part properly
> and I haven't yet seen anything to suggest that we don't migrate
> irq properly.
>
> So I'm guessing it was the decision part.
I'm not using any IRQ balancer, afaik. As I recall, CONFIG_IRQBALANCE
is i386-only, and I'm not running the userland irqbalance program
either. Just messing around with /proc/irq/*/smp_affinity by hand. :)
--D
next prev parent reply other threads:[~2007-06-02 2:18 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-01 21:57 Device hang when offlining a CPU due to IRQ misrouting Emmanuel Fusté
2007-06-02 0:18 ` Eric W. Biederman
2007-06-02 2:19 ` Darrick J. Wong [this message]
2007-06-02 3:48 ` Eric W. Biederman
-- strict thread matches above, loose matches on Subject: below --
2007-06-03 21:03 Emmanuel Fusté
2007-06-01 0:44 Darrick J. Wong
2007-06-01 19:39 ` Eric W. Biederman
2007-06-05 17:23 ` Siddha, Suresh B
2007-06-05 17:36 ` Darrick J. Wong
2007-06-05 18:13 ` Siddha, Suresh B
2007-06-05 18:33 ` Darrick J. Wong
2007-06-05 18:40 ` Siddha, Suresh B
2007-06-05 20:09 ` Darrick J. Wong
2007-06-05 21:14 ` Siddha, Suresh B
2007-06-05 23:57 ` Darrick J. Wong
2007-06-06 1:37 ` Siddha, Suresh B
2007-06-06 18:58 ` Darrick J. Wong
2007-06-06 19:35 ` Siddha, Suresh B
2007-06-06 23:16 ` Darrick J. Wong
2007-06-08 0:57 ` Siddha, Suresh B
2007-06-18 22:38 ` Darrick J. Wong
2007-06-18 23:54 ` Siddha, Suresh B
2007-06-19 0:51 ` Darrick J. Wong
2007-06-19 17:54 ` Eric W. Biederman
2007-06-19 18:00 ` Siddha, Suresh B
2007-06-19 18:55 ` Eric W. Biederman
2007-06-19 19:06 ` Darrick J. Wong
2007-06-19 19:59 ` Siddha, Suresh B
2007-06-19 20:49 ` Darrick J. Wong
2007-06-19 22:08 ` Siddha, Suresh B
2007-06-23 23:54 ` Rafael J. Wysocki
2007-06-23 23:58 ` Andrew Morton
2007-06-24 0:45 ` Eric W. Biederman
2007-06-24 0:51 ` Siddha, Suresh B
2007-06-24 12:50 ` Rafael J. Wysocki
2007-06-24 0:28 ` Siddha, Suresh B
2007-06-24 12:48 ` Rafael J. Wysocki
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=20070602021906.GC13751@tree.beaverton.ibm.com \
--to=djwong@us.ibm.com \
--cc=ebiederm@xmission.com \
--cc=emmanuel.fuste@laposte.net \
--cc=linux-kernel@vger.kernel.org \
/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