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Date:      Thu, 28 Apr 2005 21:24:09 -0700
From:      Julian Elischer <julian@elischer.org>
To:        Scott Long <scottl@FreeBSD.org>
Cc:        cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/sys/i386/conf PAE
Message-ID:  <4271B6E9.4010302@elischer.org>
In-Reply-To: <200504290259.j3T2xJON003744@repoman.freebsd.org>
References:  <200504290259.j3T2xJON003744@repoman.freebsd.org>

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Scott Long wrote:
> scottl      2005-04-29 02:59:19 UTC
> 
>   FreeBSD src repository
> 
>   Modified files:
>     sys/i386/conf        PAE 
>   Log:
>   For whatever reason, we don't allow USB on PAE.  Since it's a dependency
>   for EHCI, exclude that driver also.
>   
>   Revision  Changes    Path
>   1.15      +1 -0      src/sys/i386/conf/PAE

EHCI can actually support 64 bit physical addresses.
We haven't doen it yet but it will probably happen.
of course with bus-dma specifying addresses < 4G, it should still work
with > 32 bit memory addresses (bounce buffering).




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