[frgeek-michiana] Re: VL-Hot and HAL
- From: "Tom Brown" <tbrown@xxxxxxxxxxxxxxxxx>
- To: <frgeek-michiana@xxxxxxxxxxxxx>
- Date: Fri, 19 Feb 2010 16:15:51 -0500
Caitlyn Martin wrote the article. She contributes to the project.
Tom
-----Original Message-----
From: frgeek-michiana-bounce@xxxxxxxxxxxxx
[mailto:frgeek-michiana-bounce@xxxxxxxxxxxxx] On Behalf Of Tony Germano
Sent: Friday, February 19, 2010 14:18
To: frgeek-michiana@xxxxxxxxxxxxx
Subject: [frgeek-michiana] VL-Hot and HAL
http://broadcast.oreilly.com/2009/02/vl-hot-a-non-polling-alternati.html
I ran across this article that does a good job of explaining the differences
between VL-Hot and HAL (used for autodetection of removable devices.) It
also very clearly states that a limitation of VL-Hot is that it can not
automount an inserted CD like HAL can. I know this was a problem we ran into
at the warehouse. The author states that the extra polling that HAL does in
order to be able to automount a CD creates a noticable burden on the system.
I have my doubts that even on the older P3s we're using this would be
noticable. Regardless, I think the minimal cpu hit from HAL is worth not
having to train users how to mount a CD before they can open it.
Tony
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