From: Linus Torvalds <torvalds@linux-foundation.org>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
Andi Kleen <andi@firstfloor.org>, Matthew Wilcox <matthew@wil.cx>,
LKML <linux-kernel@vger.kernel.org>,
Alexander Viro <viro@ftp.linux.org.uk>,
Andrew Morton <akpm@linux-foundation.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [patch] speed up / fix the new generic semaphore code (fix AIM7 40% regression with 2.6.26-rc1)
Date: Thu, 8 May 2008 13:27:24 -0700 (PDT) [thread overview]
Message-ID: <alpine.LFD.1.10.0805081326130.2940@woody.linux-foundation.org> (raw)
In-Reply-To: <20080508201956.GA2547@elte.hu>
On Thu, 8 May 2008, Ingo Molnar wrote:
>
> I suspect some more performance could be won in this particular workload
> by getting rid of the BKL dependency altogether.
Did somebody have any trace on which BKL taker it is? It apparently wasn't
file locking. Was it the tty layer?
Linus
next prev parent reply other threads:[~2008-05-08 20:28 UTC|newest]
Thread overview: 140+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-06 5:48 AIM7 40% regression with 2.6.26-rc1 Zhang, Yanmin
2008-05-06 11:18 ` Matthew Wilcox
2008-05-06 11:44 ` Ingo Molnar
2008-05-06 12:09 ` Matthew Wilcox
2008-05-06 16:23 ` Matthew Wilcox
2008-05-06 16:36 ` Linus Torvalds
2008-05-06 16:42 ` Matthew Wilcox
2008-05-06 16:39 ` Alan Cox
2008-05-06 16:51 ` Matthew Wilcox
2008-05-06 16:45 ` Alan Cox
2008-05-06 17:42 ` Linus Torvalds
2008-05-06 20:28 ` Linus Torvalds
2008-05-06 16:44 ` J. Bruce Fields
2008-05-06 17:21 ` Andrew Morton
2008-05-06 17:31 ` Matthew Wilcox
2008-05-06 17:49 ` Ingo Molnar
2008-05-06 18:07 ` Andrew Morton
2008-05-11 11:11 ` Matthew Wilcox
2008-05-06 17:39 ` Ingo Molnar
2008-05-07 6:49 ` Zhang, Yanmin
2008-05-06 17:45 ` Linus Torvalds
2008-05-07 16:38 ` Matthew Wilcox
2008-05-07 16:55 ` Linus Torvalds
2008-05-07 17:08 ` Linus Torvalds
2008-05-07 17:16 ` Andrew Morton
2008-05-07 17:27 ` Linus Torvalds
2008-05-07 17:22 ` Ingo Molnar
2008-05-07 17:25 ` Ingo Molnar
2008-05-07 17:31 ` Linus Torvalds
2008-05-07 17:47 ` Linus Torvalds
2008-05-07 17:49 ` Ingo Molnar
2008-05-07 18:02 ` Linus Torvalds
2008-05-07 18:17 ` Ingo Molnar
2008-05-07 18:27 ` Linus Torvalds
2008-05-07 18:43 ` Ingo Molnar
2008-05-07 19:01 ` Linus Torvalds
2008-05-07 19:09 ` Ingo Molnar
2008-05-07 19:24 ` Matthew Wilcox
2008-05-07 19:44 ` Linus Torvalds
2008-05-07 20:00 ` Oi. NFS people. Read this Matthew Wilcox
2008-05-07 22:10 ` Trond Myklebust
2008-05-09 1:43 ` J. Bruce Fields
2008-05-08 3:24 ` AIM7 40% regression with 2.6.26-rc1 Zhang, Yanmin
2008-05-08 3:34 ` Linus Torvalds
2008-05-08 4:37 ` Zhang, Yanmin
2008-05-08 14:58 ` Linus Torvalds
2008-05-07 2:11 ` Zhang, Yanmin
2008-05-07 3:41 ` Zhang, Yanmin
2008-05-07 3:59 ` Andrew Morton
2008-05-07 4:46 ` Zhang, Yanmin
2008-05-07 6:26 ` Ingo Molnar
2008-05-07 6:28 ` Ingo Molnar
2008-05-07 7:05 ` Zhang, Yanmin
2008-05-07 11:00 ` Andi Kleen
2008-05-07 11:46 ` Matthew Wilcox
2008-05-07 12:21 ` Andi Kleen
2008-05-07 14:36 ` Linus Torvalds
2008-05-07 14:35 ` Alan Cox
2008-05-07 15:00 ` Linus Torvalds
2008-05-07 15:02 ` Linus Torvalds
2008-05-07 14:57 ` Andi Kleen
2008-05-07 15:31 ` Andrew Morton
2008-05-07 16:22 ` Matthew Wilcox
2008-05-07 15:19 ` Linus Torvalds
2008-05-07 17:14 ` Ingo Molnar
2008-05-08 2:44 ` Zhang, Yanmin
2008-05-08 3:29 ` Linus Torvalds
2008-05-08 4:08 ` Zhang, Yanmin
2008-05-08 4:17 ` Linus Torvalds
2008-05-08 12:01 ` [patch] speed up / fix the new generic semaphore code (fix AIM7 40% regression with 2.6.26-rc1) Ingo Molnar
2008-05-08 12:28 ` Ingo Molnar
2008-05-08 14:43 ` Ingo Molnar
2008-05-08 15:10 ` [git pull] scheduler fixes Ingo Molnar
2008-05-08 15:33 ` Adrian Bunk
2008-05-08 15:41 ` Ingo Molnar
2008-05-08 19:42 ` Adrian Bunk
2008-05-11 11:03 ` Matthew Wilcox
2008-05-11 11:14 ` Matthew Wilcox
2008-05-11 11:48 ` Matthew Wilcox
2008-05-11 12:50 ` Ingo Molnar
2008-05-11 12:52 ` Ingo Molnar
2008-05-11 13:02 ` Matthew Wilcox
2008-05-11 13:26 ` Matthew Wilcox
2008-05-11 14:00 ` Ingo Molnar
2008-05-11 14:18 ` Matthew Wilcox
2008-05-11 14:42 ` Ingo Molnar
2008-05-11 14:48 ` Matthew Wilcox
2008-05-11 15:19 ` Ingo Molnar
2008-05-11 15:29 ` Matthew Wilcox
2008-05-13 14:11 ` Ingo Molnar
2008-05-13 14:21 ` Matthew Wilcox
2008-05-13 14:42 ` Ingo Molnar
2008-05-13 15:28 ` Matthew Wilcox
2008-05-13 17:13 ` Ingo Molnar
2008-05-13 17:22 ` Linus Torvalds
2008-05-13 21:05 ` Ingo Molnar
2008-05-11 13:54 ` Ingo Molnar
2008-05-11 14:22 ` Matthew Wilcox
2008-05-11 14:32 ` Ingo Molnar
2008-05-11 14:46 ` Matthew Wilcox
2008-05-11 16:47 ` Linus Torvalds
2008-05-11 13:01 ` Ingo Molnar
2008-05-11 13:06 ` Matthew Wilcox
2008-05-11 13:45 ` Ingo Molnar
2008-05-11 14:10 ` Sven Wegener
2008-05-08 16:02 ` [patch] speed up / fix the new generic semaphore code (fix AIM7 40% regression with 2.6.26-rc1) Linus Torvalds
2008-05-08 18:30 ` Linus Torvalds
2008-05-08 20:19 ` Ingo Molnar
2008-05-08 20:27 ` Linus Torvalds [this message]
2008-05-08 21:45 ` Ingo Molnar
2008-05-08 22:02 ` Ingo Molnar
2008-05-08 22:55 ` Linus Torvalds
2008-05-08 23:07 ` Linus Torvalds
2008-05-08 23:14 ` Linus Torvalds
2008-05-08 23:16 ` Alan Cox
2008-05-08 23:33 ` Linus Torvalds
2008-05-08 23:27 ` Alan Cox
2008-05-09 6:50 ` Ingo Molnar
2008-05-09 8:29 ` Andi Kleen
2008-05-08 13:20 ` Matthew Wilcox
2008-05-08 15:01 ` Ingo Molnar
2008-05-08 13:56 ` Arjan van de Ven
2008-05-08 6:43 ` AIM7 40% regression with 2.6.26-rc1 Ingo Molnar
2008-05-08 6:48 ` Andrew Morton
2008-05-08 7:14 ` Zhang, Yanmin
2008-05-08 7:39 ` Ingo Molnar
2008-05-08 8:44 ` Zhang, Yanmin
2008-05-08 9:21 ` Ingo Molnar
2008-05-08 9:29 ` Ingo Molnar
2008-05-08 9:30 ` Zhang, Yanmin
2008-05-07 16:20 ` Ingo Molnar
2008-05-07 16:35 ` Linus Torvalds
2008-05-07 17:05 ` Ingo Molnar
2008-05-07 17:24 ` Linus Torvalds
2008-05-07 17:36 ` Ingo Molnar
2008-05-07 17:55 ` Linus Torvalds
2008-05-07 17:59 ` Matthew Wilcox
2008-05-07 18:17 ` Linus Torvalds
2008-05-07 18:49 ` Ingo Molnar
2008-05-07 13:59 ` Alan Cox
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=alpine.LFD.1.10.0805081326130.2940@woody.linux-foundation.org \
--to=torvalds@linux-foundation.org \
--cc=akpm@linux-foundation.org \
--cc=andi@firstfloor.org \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.kernel.org \
--cc=matthew@wil.cx \
--cc=mingo@elte.hu \
--cc=tglx@linutronix.de \
--cc=viro@ftp.linux.org.uk \
--cc=yanmin_zhang@linux.intel.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;
as well as URLs for NNTP newsgroup(s).