From: Lee Revell <rlrevell@joe-job.com>
To: Adam Goode <adam@evdebs.org>
Cc: Vojtech Pavlik <vojtech@suse.cz>, Pavel Machek <pavel@suse.cz>,
Alejandro Bonilla <abonilla@linuxwireless.org>,
linux-kernel@vger.kernel.org, linux-thinkpad@linux-thinkpad.org
Subject: Re: IBM HDAPS Someone interested?
Date: Tue, 21 Jun 2005 11:37:38 -0400 [thread overview]
Message-ID: <1119368259.19357.18.camel@mindpipe> (raw)
In-Reply-To: <1119303016.5194.24.camel@lynx.auton.cs.cmu.edu>
On Mon, 2005-06-20 at 17:30 -0400, Adam Goode wrote:
> Freefall detection: 300 ms
> Head park time: 300-500 ms
> (from page 2 of document)
>
> Still doesn't seem too bad to figure out how to code though, at least
> once we can figure out how to get the data stream!
>
> P.S. The main control system runs as a Windows kernel driver. Not as
> safe as full hardware, but probably better than userspace. :)
>
Ugh, if userspace can't meet a 300ms RT constraint, that's a pretty
shitty OS you have there.
This should certainly be done in userspace on Linux.
Lee
next prev parent reply other threads:[~2005-06-21 15:44 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-06-20 15:18 IBM HDAPS Someone interested? Alejandro Bonilla
2005-06-20 15:57 ` Vojtech Pavlik
2005-06-20 16:16 ` Alejandro Bonilla
2005-06-20 16:34 ` Vojtech Pavlik
2005-06-20 16:53 ` Alejandro Bonilla
2005-06-20 16:57 ` Pavel Machek
2005-06-20 20:35 ` Yani Ioannou
2005-06-20 20:45 ` Vojtech Pavlik
2005-06-20 21:25 ` Pavel Machek
2005-06-20 21:30 ` Adam Goode
2005-06-21 15:37 ` Lee Revell [this message]
2005-06-21 16:45 ` Vojtech Pavlik
2005-06-21 17:36 ` Lee Revell
2005-06-21 18:16 ` Valdis.Kletnieks
2005-06-22 14:37 ` Sander
2005-06-22 14:52 ` Alejandro Bonilla
2005-06-20 21:45 ` Pavel Machek
2005-06-20 21:54 ` Alejandro Bonilla
2005-06-20 23:45 ` Alejandro Bonilla
2005-06-20 17:04 ` [ltp] " Lenz Grimmer
2005-06-20 17:17 ` Alejandro Bonilla
2005-06-20 18:57 ` Pekka Enberg
2005-06-20 20:13 ` Andrew Haninger
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