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    SubjectRe: [RFC][PATCH (1/4)] new timeofday core subsystem (v A4)
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    On Fri, 2005-04-29 at 15:45 -0700, john stultz wrote:
    > All,
    > This patch implements the architecture independent portion of
    > the time of day subsystem. For a brief description on the rework, see
    > here: http://lwn.net/Articles/120850/ (Many thanks to the LWN team for
    > that clear writeup!)
    >
    > Mostly this version is just a cleanup of the last release. One neat
    > feature is the new sysfs interface which allows you to manually override
    > the selected timesource while the system is running.
    >
    > Included below is timeofday.c (which includes all the time of day
    > management and accessor functions), ntp.c (which includes the ntp
    > scaling calculation code, leapsecond processing, and ntp kernel state
    > machine code), timesource.c (for timesource specific management
    > functions), interface definition .h files, the example jiffies
    > timesource (lowest common denominator time source, mainly for use as
    > example code) and minimal hooks into arch independent code.
    >
    > The patch does not function without minimal architecture specific hooks
    > (i386, x86-64, ppc32, ppc64, ia64 and s390 examples to follow), and it
    > should be able to be applied to a tree without affecting the code.

    My concern at this point is how to deal with the userland gettimofday
    implementation in the ppc64 vDSO ...

    Ben.


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