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    SubjectRe: device driver for the SGI system clock, mmtimer
    On Iau, 2004-09-16 at 17:09, Jesse Barnes wrote:
    > I think Christoph already looked at that. And HPET doesn't provide mmap
    > functionality, does it? I.e. allow a userspace program to dereference the
    > counter register directly?

    It can do but that assumes nothing else is mapped into the same page
    that would be harmful or reveal information that should not be revealed

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