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    SubjectRe: [linux-pm] [RFC] userland swsusp
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    On Maw, 2005-11-15 at 17:25 -0500, Dave Jones wrote:
    > Just for info: If this goes in, Red Hat/Fedora kernels will fork
    > swsusp development, as this method just will not work there.
    > (We have a restricted /dev/mem that prevents writes to arbitary
    > memory regions, as part of a patchset to prevent rootkits)

    Perhaps it is trying to tell you that you should be using SELinux rules
    not kernel hacks for this purpose ?

    > Even it were not for this, the whole idea seems misconcieved to me
    > anyway.

    I'm sceptical too but several Win9x BIOS vendor suspend paths were
    implemented in roughly this way. I don't however see how you can
    co-ordinate the freeze with outstanding O_DIRECT DMA to user pages for
    one item.


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