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Date:      Wed, 24 Sep 2003 19:20:52 -0400 (EDT)
From:      Bryan Liesner <bleez@comcast.net>
To:        Thomas Quinot <thomas@FreeBSD.ORG>
Cc:        Bryan Liesner <bleez@comcast.net>
Subject:   Re: acd0 vs cd0 (ATAPICAM)
Message-ID:  <20030924191529.H8200@gravy.homeunix.net>
In-Reply-To: <20030924184206.GA43920@melusine.cuivre.fr.eu.org>
References:  <1062861719.2761.35.camel@guillaume.multiweb.ca> <1063763321.776.2.camel@guillaume.multiweb.ca> <20030917070959.L458@gravy.homeunix.net> <1063847031.804.4.camel@guillaume.multiweb.ca> <20030918193255.GB76387@melusine.cuivre.fr.eu.org> <20030924184206.GA43920@melusine.cuivre.fr.eu.org>

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On Wed, 24 Sep 2003, Thomas Quinot wrote:

> Le 2003-09-19, Guillaume =E9crivait :
>
> > Thanks for the patch. cd0 is faster now and ATAPICAM works great.
> > Are you going to commit the patch?
>
> DMA is now enabled for ATAPI/CAM i/o, as of atapi-cam.c rev. 1.26.
> Thanks to all who tested and reviewed the change.
>

No, thank you!  dd'ing a full data CD before this fix had top showing
at least 50% of the CPU time in interrupt - it's now down to the usual
5% or less.

-Bryan



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