From: Jens Axboe <jens.axboe@oracle.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: "Alan D. Brunelle" <Alan.Brunelle@hp.com>,
linux-kernel@vger.kernel.org, npiggin@suse.de, dgc@sgi.com,
arjan@linux.intel.com
Subject: Re: IO queueing and complete affinity w/ threads: Some results
Date: Mon, 18 Feb 2008 15:16:14 +0100 [thread overview]
Message-ID: <20080218141614.GD23197@kernel.dk> (raw)
In-Reply-To: <p73ablyxuci.fsf@bingen.suse.de>
On Mon, Feb 18 2008, Andi Kleen wrote:
> Jens Axboe <jens.axboe@oracle.com> writes:
>
> > and that scrapping the remote
> > softirq trigger stuff is sanest.
>
> I actually liked Nick's queued smp_function_call_single() patch. So even
> if it was not used for block I would still like to see it being merged
> in some form to speed up all the other IPI users.
Sure, Nicks patch was generically usable, my IPI stuff was just a hack
made to go as fast as possible for a single use. The current
call-on-other cpu path is not exactly scalable...
--
Jens Axboe
next prev parent reply other threads:[~2008-02-18 14:16 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-11 20:56 Alan D. Brunelle
2008-02-12 20:56 ` Alan D. Brunelle
2008-02-12 22:08 ` Alan D. Brunelle
2008-02-12 22:26 ` Alan D. Brunelle
2008-02-13 15:35 ` Alan D. Brunelle
2008-02-14 15:36 ` Alan D. Brunelle
2008-02-18 12:37 ` Jens Axboe
2008-02-18 13:33 ` Andi Kleen
2008-02-18 14:16 ` Jens Axboe [this message]
2008-02-19 1:49 ` Nick Piggin
2008-02-19 21:14 ` Paul Jackson
2008-02-19 21:31 ` Mike Travis
2008-02-20 8:08 ` Jens Axboe
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=20080218141614.GD23197@kernel.dk \
--to=jens.axboe@oracle.com \
--cc=Alan.Brunelle@hp.com \
--cc=andi@firstfloor.org \
--cc=arjan@linux.intel.com \
--cc=dgc@sgi.com \
--cc=linux-kernel@vger.kernel.org \
--cc=npiggin@suse.de \
/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
Powered by JetHome