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Re: Xorg, xf86EnableIO() and the VESA driver

From: olafBuddenhagen
Subject: Re: Xorg, xf86EnableIO() and the VESA driver
Date: Mon, 15 Mar 2010 03:24:08 +0100
User-agent: Mutt/1.5.19 (2009-01-05)


On Sat, Mar 13, 2010 at 02:37:36AM +0100, Jérémie Koenig wrote:

> I think you're right, but apparently ioperm fails at least in my
> setting (the manual page seems to indicate it can only be used for the
> first 0x400 ports on Linux).

I think this man page is simply outdated. Though I couldn't find any
information on this with Google (and didn't want to dig into the code),
a short test seems to confirm that mapping all ports with ioperm() is
perfectly possible here on Linux 2.6.32. (I didn't actually try to write
the ports though...)


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