From: Andi Kleen <ak@suse.de>
To: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: per-cpu blk_plug_list
Date: 01 Mar 2004 23:36:44 +0100 [thread overview]
Message-ID: <p73r7wcyz2b.fsf@verdi.suse.de> (raw)
In-Reply-To: <B05667366EE6204181EABE9C1B1C0EB501F2AB4C@scsmsx401.sc.intel.com.suse.lists.linux.kernel>
What happens when a process that started a plug on one CPU switches CPUs
before unplugging?
I don't see any mechanism in your patch to make sure the queue on the previous
CPU is flushed too. It could be delayed for a long time.
-Andi
next prev parent reply other threads:[~2004-03-01 22:36 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-01 21:18 per-cpu blk_plug_list Chen, Kenneth W
2004-03-01 22:06 ` Jens Axboe
2004-03-01 22:17 ` Andrew Morton
2004-03-01 22:31 ` Andrew Morton
[not found] ` <B05667366EE6204181EABE9C1B1C0EB501F2AB4C@scsmsx401.sc.intel.com.suse.lists.linux.kernel>
2004-03-01 22:36 ` Andi Kleen [this message]
2004-03-01 22:39 ` per-cpu blk_plug_list II Andi Kleen
2004-03-03 3:44 ` per-cpu blk_plug_list Jesse Barnes
2004-03-03 3:55 ` Andrew Morton
-- strict thread matches above, loose matches on Subject: below --
2004-03-03 4:20 Chen, Kenneth W
2004-03-03 4:20 ` Chen, Kenneth W
2004-03-03 5:13 ` Andrew Morton
2004-03-03 5:13 ` Andrew Morton
2004-03-03 9:45 ` Miquel van Smoorenburg
2004-03-03 9:54 ` Andrew Morton
2004-03-03 16:24 ` Miquel van Smoorenburg
2004-03-03 22:37 ` Miquel van Smoorenburg
2004-03-01 22:28 Chen, Kenneth W
2004-03-01 22:14 Chen, Kenneth W
[not found] <cistron.B05667366EE6204181EABE9C1B1C0EB50211E5C8@scsmsx401.sc.intel.com>
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=p73r7wcyz2b.fsf@verdi.suse.de \
--to=ak@suse.de \
--cc=kenneth.w.chen@intel.com \
--cc=linux-kernel@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.