On Gwe, 2005-11-18 at 22:23 +0100, Arjan van de Ven wrote: > 1) accessing non-ram memory (eg PCI mmio space) by X and the likes > (ideally should use sysfs but hey, changing X for this will take > forever) Once sysfs supports the relevant capabilities fixing X actually doesn't look too horrible, the PCI mapping routines are abstracted and done by PCITAG (ie PCI device). You would need the ISA hole too in some cases. > 2) accessing bios memory in the lower 1Gb for various emulation like > purposes (including vbetool and X mode setting) > 3) accessing things the kernel sees as RAM > > they are very distinct security wise. Agreed.
