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    SubjectRe: [linux-pm] [RFC] userland swsusp
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    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.

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