lkml.org 
[lkml]   [1999]   [Nov]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: spin_unlock optimization(i386)
    Date
      Ingo Molnar <mingo@chiara.csoma.elte.hu> writes:
    >
    > > for (;;) { for (;;) {
    > > i++; a = i;
    > > j++; b = j;
    > > } if (a < b)
    > > BUG()
    > > }
    >
    > in fact with the attached testcode causality seems to break _easily_ on
    > Xeon CPUs:
    >
    Pentium 3 too, though it typically takes quite a bit longer to show up.

    --
    Matthias Urlichs | noris network GmbH | smurf@noris.de | ICQ: 20193661
    The quote was selected randomly. Really. | http://www.noris.de/~smurf/
    --
    One of the worst of my many faults is that I'm too critical of myself.

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

    \
     
     \ /
      Last update: 2005-03-22 13:55    [W:0.023 / U:0.460 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site