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From: Chris Wright <chrisw@osdl.org>
To: Robin Holt <holt@sgi.com>
Cc: "Richard B. Johnson" <root@chaos.analogic.com>,
	Dean Nelson <dcn@sgi.com>, Arjan van de Ven <arjanv@redhat.com>,
	linux-kernel@vger.kernel.org, rusty@rustcorp.com.au
Subject: Re: calling kthread_create() from interrupt thread
Date: Tue, 15 Jun 2004 12:30:00 -0700	[thread overview]
Message-ID: <20040615123000.Z22989@build.pdx.osdl.net> (raw)
In-Reply-To: <20040615190114.GA6151@lnx-holt.americas.sgi.com>; from holt@sgi.com on Tue, Jun 15, 2004 at 02:01:14PM -0500

* Robin Holt (holt@sgi.com) wrote:
> Currently, the interrupt handler wakes a thread sleeping on a
> wait_event_interruptible().  This wakeup is taking approx 35uSec.  Dean
> is looking for a lower latency means of doing the wakeup.

I can't imagine adding thread creation, etc to the mix is going to improve
latency.

thanks,
-chris
-- 
Linux Security Modules     http://lsm.immunix.org     http://lsm.bkbits.net

  parent reply	other threads:[~2004-06-15 19:32 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-06-15 17:42 Dean Nelson
2004-06-15 17:49 ` Arjan van de Ven
2004-06-15 18:05   ` Dean Nelson
2004-06-15 18:14     ` Jesse Barnes
2004-06-15 22:14       ` Jeff Garzik
2004-06-15 18:15     ` Richard B. Johnson
2004-06-15 19:01       ` Robin Holt
2004-06-15 19:28         ` Roland Dreier
2004-06-15 19:30         ` Chris Wright [this message]
2004-06-15 23:40         ` Rusty Russell
2004-06-15 19:14   ` Dean Nelson
2004-06-15 19:27     ` Roland Dreier
2004-06-15 19:59     ` Chris Wright
     [not found] <27qex-5LX-17@gated-at.bofh.it>
     [not found] ` <27qoT-5Uy-15@gated-at.bofh.it>
     [not found]   ` <27qxQ-67a-27@gated-at.bofh.it>
2004-06-15 20:41     ` Andi Kleen

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