All of lore.kernel.org
 help / color / mirror / Atom feed
From: Arjan Koers <0h61vkll2ly8@xutrox.com>
To: Zachary Amsden <zamsden@redhat.com>
Cc: kvm@vger.kernel.org, Avi Kivity <avi@redhat.com>
Subject: Re: 2.6.35-rc1 regression with pvclock and smp guests
Date: Sat, 31 Jul 2010 13:50:40 +0200	[thread overview]
Message-ID: <4C540E10.6060103@xutrox.com> (raw)
In-Reply-To: <4C537E98.7000704@redhat.com>

On 2010-07-31 03:38, Zachary Amsden wrote:
> 
> How are you printing shadow.version?  From a local variable captured
> during the barrier window or directly in a printk afterwards?  If should
> never go backwards like this, and the vcpus come from a zalloc.  This is
> not easily explainable by anything other than a memory ordering or
> compiler issue.

I'm reading shadow.version after the do-while loop and storing it in
an array to print it after the kernel finishes booting. I had to defer
my debug printk's, because they were affecting the results.


  reply	other threads:[~2010-07-31 11:50 UTC|newest]

Thread overview: 81+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-22 12:53 2.6.35-rc1 regression with pvclock and smp guests Andre Przywara
2010-07-25  8:44 ` Avi Kivity
2010-07-26  8:47   ` Andre Przywara
2010-07-26 18:59     ` Arjan Koers
2010-07-27 21:00       ` Arjan Koers
2010-07-28 10:37         ` Avi Kivity
2010-07-31  0:34           ` Arjan Koers
2010-07-31  1:38             ` Zachary Amsden
2010-07-31 11:50               ` Arjan Koers [this message]
2010-07-31  2:39             ` Zachary Amsden
2010-07-31 11:53               ` Arjan Koers
2010-07-31 16:36                 ` Arjan Koers
2010-07-31 19:45                   ` Arjan Koers
2010-07-31 23:55                   ` Zachary Amsden
2010-08-02 14:43                     ` Glauber Costa
2010-08-02 16:16                       ` Arjan Koers
2010-08-02 18:07                         ` Glauber Costa
2010-08-02 20:26                       ` Zachary Amsden
2010-08-02 21:10                         ` Glauber Costa
2010-08-02 21:35                         ` Arjan Koers
2010-08-03  0:00                           ` Zachary Amsden
2010-09-28 11:16                           ` Michael Tokarev
2010-09-29  8:12                             ` Michael Tokarev
2010-09-29  8:28                           ` Avi Kivity
2010-09-29  9:17                             ` Michael Tokarev
2010-09-29  9:19                               ` Michael Tokarev
2010-09-29 19:26                                 ` Arjan Koers
2010-09-30  7:55                                   ` Michael Tokarev
2010-09-30  9:59                                     ` Michael Tokarev
2010-09-30 13:54                                       ` Zachary Amsden
2010-09-30 15:12                                         ` Michael Tokarev
2010-09-30 15:32                                           ` Zachary Amsden
2010-09-30 18:49                                             ` Arjan Koers
2010-09-30 19:05                                               ` Marcelo Tosatti
2010-09-30 20:16                                                 ` Arjan Koers
2010-09-30 23:02                                                 ` Michael Tokarev
2010-09-30 23:07                                                   ` Michael Tokarev
2010-10-01  1:13                                                     ` Zachary Amsden
2010-10-02  5:35                                                     ` Zachary Amsden
2010-10-02  7:35                                                       ` Michael Tokarev
2010-10-02  7:40                                                         ` Michael Tokarev
2010-10-02  7:50                                                           ` Michael Tokarev
2010-10-02 16:10                                                         ` Arjan Koers
2010-10-02 20:26                                                           ` Michael Tokarev
2010-10-02 23:42                                                           ` Zachary Amsden
2010-10-03  8:27                                                             ` Michael Tokarev
2010-10-08  0:12                                                             ` Arjan Koers
2010-10-08  2:47                                                               ` Zachary Amsden
2010-10-08 22:06                                                                 ` Marcelo Tosatti
2010-10-09  1:10                                                                   ` Arjan Koers
2010-10-09  2:27                                                                     ` Zachary Amsden
2010-10-09  6:29                                                                       ` Michael Tokarev
2010-10-09  8:59                                                                         ` Arjan Koers
2010-10-11 20:47                                                                           ` Zachary Amsden
2010-10-13 12:18                                                                             ` Glauber Costa
2010-10-10  1:20                                                                       ` Arjan Koers
2010-10-11 17:53                                                                       ` Anthony Liguori
2010-10-11 18:36                                                                         ` Marcelo Tosatti
2010-10-09  2:29                                                                     ` Zachary Amsden
2010-10-10  1:26                                                                     ` Arjan Koers
2010-10-20 20:47                                                                     ` Arjan Koers
2010-10-09  7:59                                                                   ` Michael Tokarev
2010-10-09  8:31                                                                     ` Michael Tokarev
2010-10-02 21:55                                                         ` Zachary Amsden
2010-10-03  8:16                                                           ` Michael Tokarev
2010-10-03  8:22                                                             ` Avi Kivity
2010-10-03  8:30                                                             ` Michael Tokarev
2010-07-27 10:03     ` Avi Kivity
2010-07-27 11:49       ` Andre Przywara
2010-07-27 12:06         ` Avi Kivity
2010-07-27 12:21           ` Andre Przywara
2010-07-27 12:34             ` Avi Kivity
2010-07-27 13:48               ` Andre Przywara
2010-07-27 13:58                 ` Avi Kivity
2010-07-27 14:55                   ` Andre Przywara
2010-07-27 21:51                     ` Andre Przywara
2010-07-28  3:00                       ` Zachary Amsden
2010-07-28  7:55                         ` Andre Przywara
2010-07-28 12:25                       ` Andre Przywara
2010-07-30 22:54                         ` Zachary Amsden
2010-08-02 10:12                           ` Andre Przywara

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=4C540E10.6060103@xutrox.com \
    --to=0h61vkll2ly8@xutrox.com \
    --cc=avi@redhat.com \
    --cc=kvm@vger.kernel.org \
    --cc=zamsden@redhat.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.