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: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-01 21:18 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 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>
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