lkml.org 
[lkml]   [2006]   [Oct]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: AMD X2 unsynced TSC fix?
    From
    Date
    On Fri, 2006-10-27 at 15:48 -0600, Chris Friesen wrote:
    > Lee Revell wrote:
    >
    > > What exactly does that AMD patch do?
    >
    > "...by periodically adjusting the core time-stamp-counters, so that they
    > are synchronized."
    >
    > It sounds like they just periodically write a new value to the TSC.
    > Presumably they set the "slower" one equal to the "faster" one.
    >
    > You'd likely still have windows where time might run backwards, but it
    > would be better than nothing.

    The patch also apparently changes boot params to make the OS use the
    ACPI PM timer, so it must not be a complete solution.

    Lee

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-10-28 00:11    [W:0.019 / U:121.192 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site