From: Willy Tarreau <w@1wt.eu>
To: Mike Galbraith <efault@gmx.de>
Cc: stable <stable@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Dan Williams <dan.j.williams@intel.com>
Subject: Re: [PATCH] [2.6.32-longterm] ioat2: kill pending flag
Date: Thu, 31 May 2012 16:28:01 +0200 [thread overview]
Message-ID: <20120531142801.GL5321@1wt.eu> (raw)
In-Reply-To: <1338472815.7460.70.camel@marge.simpson.net>
Hi Mike,
On Thu, May 31, 2012 at 04:00:15PM +0200, Mike Galbraith wrote:
> Greetings,
>
> While testing tbench 40 throughput on a 40 core (+SMT) Intel SDV S3E37,
> I found spin_lock_bh() consuming _90%_ of the box, driving throughput
> straight through the floor. The commit below fixed it up.
>
> This looks horrific enough to me to qualify for 2.6.32-longterm.
I've queued it up for next release. Thank you very much!
Willy
prev parent reply other threads:[~2012-05-31 14:28 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-31 14:00 [PATCH] [2.6.32-longterm] ioat2: kill pending flag Mike Galbraith
2012-05-31 14:28 ` Willy Tarreau [this message]
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=20120531142801.GL5321@1wt.eu \
--to=w@1wt.eu \
--cc=dan.j.williams@intel.com \
--cc=efault@gmx.de \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@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 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.