Messages in this thread |  | | | Date | Mon, 6 Oct 2008 15:01:22 +0100 | | From | Alan Cox <> | | Subject | Re: RFC: banning device driver reserved resources from /dev/mem |
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> > Only a tiny fraction of devices in the world are PCI, and those > > platforms where you most what /dev/mem type debugging tools are often > > those without PCI > > if you looked at the patch it's x86 only, and only active if you set > CONFIG_STRICT_DEVMEM. > (if you don't select CONFIG_STRICT_DEVMEM, which is off by default, you > get unlimited access as usualy)
Lots of non PCI devices on x86 systems as well.
And the video problem is a big one for the x86 case as the VGA ISA window is used by both the kernel and X without a helper driver.
Alan
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