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Re: Xorg, libpciaccess and /dev/mem

From: olafBuddenhagen
Subject: Re: Xorg, libpciaccess and /dev/mem
Date: Fri, 12 Mar 2010 00:32:44 +0100
User-agent: Mutt/1.5.19 (2009-01-05)


On Thu, Mar 11, 2010 at 05:35:13PM +0100, Samuel Thibault wrote:

> Using the iopl device is a bit of a hack, a more proper solution needs
> to be done.

I don't consider it a hack. What would be a more "proper" solution in
your opinion?...

Of course, one day hopefully we will have a lovely PCI bus server, which
allows clients to map individual regions according to the device
configuration... But that will still need a method for obtaining a
memory object for the physical address space from the kernel.

> Maybe in the meanwhile we should alias mem and iopl in the gnumach
> kernel, so already installed hurds can run Xorg (and the name "iopl"
> doesn't sound so good to me to replace mem :)).

Yeah, I actually mentioned on IRC that probably the best fix is renaming
the kernel device...


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