Messages in this thread | | | Date | Sat, 27 Sep 2003 16:38:27 -0700 | From | "David S. Miller" <> | Subject | Re: Prefered method to map PCI memory into userspace. |
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On Fri, 26 Sep 2003 23:59:08 +1000 Anton Blanchard <anton@samba.org> wrote:
> > > Just curious - what does the X server use on these many systems then ? > > FYI ppc64 and some ppc32 systems fall into the cant use /dev/mem > category. The answer is to use pci domains (ie using /proc/bus/pci/... > to be able to mmap PCI memory and IO regions)
Exactly.
XFREE86-4.3.0 and later has full domain infrastructure, it just isn't enabled on anything other than ppc and sparc because the other platforms haven't made their /proc/bus/pci/* mmap() arch support routines fully functional yet. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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