From: Andi Kleen <ak@suse.de>
To: virtualization@lists.linux-foundation.org
Cc: Prarit Bhargava <prarit@redhat.com>,
Jeremy Fitzhardinge <jeremy@goop.org>,
virtualization@lists.osdl.org,
Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@elte.hu>, John Hawkes <hawkes@sgi.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Eric Dumazet <dada1@cosmosbay.com>
Subject: Re: [patch 3/4] Locally disable the softlockup watchdog rather than touching it
Date: Wed, 28 Mar 2007 15:50:04 +0200 [thread overview]
Message-ID: <200703281550.04224.ak@suse.de> (raw)
In-Reply-To: <460A6EC0.4020701@redhat.com>
On Wednesday 28 March 2007 15:33, Prarit Bhargava wrote:
>
> Jeremy Fitzhardinge wrote:
> >
> > I haven't really worked out how this should interact with the nmi
> > watchdog; touch_nmi_watchdog() still ends up calling
> > touch_softlockup_watchdog(), so there's still some redundancy here.
> >
> >
>
> touch_nmi_watchdog is attempting to tickle _all_ CPUs softlockup watchdogs.
It is supposed to only touch the current CPU, just like it only touches
the NMI watchdog on the current CPU.
>
> Currently, the code is incorrect -- it is calling
> touch_softlockup_watchdog which touches only the current CPU's
> softlockup watchdog.
Sounds correct to me.
-Andi
>
next prev parent reply other threads:[~2007-03-28 13:50 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-27 21:49 [patch 0/4] Revised softlockup watchdog improvement patches Jeremy Fitzhardinge
2007-03-27 21:49 ` [patch 1/4] Ignore stolen time in the softlockup watchdog Jeremy Fitzhardinge
2007-04-24 6:49 ` Andrew Morton
2007-04-24 6:58 ` Jeremy Fitzhardinge
2007-04-24 7:09 ` Andrew Morton
2007-04-24 17:51 ` Jeremy Fitzhardinge
2007-04-24 17:57 ` Andrew Morton
2007-04-24 18:16 ` Jeremy Fitzhardinge
2007-04-24 18:32 ` Andrew Morton
2007-04-24 20:00 ` Jeremy Fitzhardinge
2007-04-24 20:14 ` Andrew Morton
2007-04-24 20:46 ` Jeremy Fitzhardinge
2007-04-24 20:24 ` Jeremy Fitzhardinge
2007-04-24 20:33 ` Andrew Morton
2007-04-24 20:48 ` Jeremy Fitzhardinge
2007-04-24 20:52 ` Daniel Walker
2007-04-24 20:59 ` Ingo Molnar
2007-04-24 21:01 ` Daniel Walker
2007-04-24 21:14 ` Andrew Morton
2007-04-24 21:20 ` Andi Kleen
2007-04-24 21:33 ` Daniel Walker
2007-03-27 21:49 ` [patch 2/4] percpu enable flag for " Jeremy Fitzhardinge
2007-03-27 21:49 ` [patch 3/4] Locally disable the softlockup watchdog rather than touching it Jeremy Fitzhardinge
2007-03-28 13:33 ` Prarit Bhargava
2007-03-28 13:50 ` Andi Kleen [this message]
2007-03-28 14:00 ` Prarit Bhargava
2007-03-28 14:09 ` Andi Kleen
2007-03-28 14:13 ` Prarit Bhargava
2007-03-28 14:44 ` Jeremy Fitzhardinge
2007-03-28 14:51 ` Prarit Bhargava
2007-03-28 15:22 ` Jeremy Fitzhardinge
2007-03-28 15:27 ` Prarit Bhargava
2007-03-27 21:49 ` [patch 4/4] Add global disable/enable for softlockup watchdog Jeremy Fitzhardinge
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=200703281550.04224.ak@suse.de \
--to=ak@suse.de \
--cc=akpm@linux-foundation.org \
--cc=dada1@cosmosbay.com \
--cc=hawkes@sgi.com \
--cc=jeremy@goop.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@elte.hu \
--cc=prarit@redhat.com \
--cc=virtualization@lists.linux-foundation.org \
--cc=virtualization@lists.osdl.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;
as well as URLs for NNTP newsgroup(s).