[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Xorg, xf86EnableIO() and the VESA driver

From: Jérémie Koenig
Subject: Re: Xorg, xf86EnableIO() and the VESA driver
Date: Sat, 13 Mar 2010 02:37:36 +0100

On Fri, Mar 12, 2010 at 8:29 PM, Samuel Thibault
<samuel.thibault@gnu.org> wrote:
> Jérémie Koenig, le Fri 12 Mar 2010 19:54:31 +0100, a écrit :
>> The vesa driver works on Linux, but gains access to the io ports
>> through iopl(3),
> Ah, right, it does both... At first read I thought it was doing iopl()
> only if ioperm fails().

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).

Jérémie Koenig <jk@jk.fr.eu.org>

reply via email to

[Prev in Thread] Current Thread [Next in Thread]