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    SubjectRe: 2.4.23aa2 (bugfixes and important VM improvements for the high end)

    * Jamie Lokier <jamie@shareable.org> wrote:

    > Ingo Molnar wrote:
    > > if mysql in fact calls time() frequently, then it should rather start a
    > > worker thread that updates a global time variable every second.
    >
    > That has the same problem as discussed later in this thread with
    > vsyscall-time: the worker thread may not run immediately it is woken,
    > and also setitimer() and select() round up the delay a little more
    > then expected, so sometimes the global time variable will be out of
    > date and misordered w.r.t. gettimeofday() and stat() results of
    > recently modified files.

    we dont have any guarantees wrt. the synchronization of the time() and
    the gettimeofday() clocks - irrespective of vsyscalls, do we?

    Ingo
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