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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>
http://jk.fr.eu.org/
- Xorg, xf86EnableIO() and the VESA driver, Jérémie Koenig, 2010/03/12
- Re: Xorg, xf86EnableIO() and the VESA driver, Samuel Thibault, 2010/03/12
- Re: Xorg, xf86EnableIO() and the VESA driver, Jérémie Koenig, 2010/03/12
- Re: Xorg, xf86EnableIO() and the VESA driver, Samuel Thibault, 2010/03/13
- Re: Xorg, xf86EnableIO() and the VESA driver,
Jérémie Koenig <=
- Re: Xorg, xf86EnableIO() and the VESA driver, Samuel Thibault, 2010/03/13
- Re: Xorg, xf86EnableIO() and the VESA driver, Jérémie Koenig, 2010/03/13
- Re: Xorg, xf86EnableIO() and the VESA driver, Samuel Thibault, 2010/03/13
- Re: Xorg, xf86EnableIO() and the VESA driver, olafBuddenhagen, 2010/03/18
- Re: Xorg, xf86EnableIO() and the VESA driver, Samuel Thibault, 2010/03/18
Re: Xorg, xf86EnableIO() and the VESA driver, Samuel Thibault, 2010/03/15