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    SubjectRe: [patch] Real-Time Preemption, -RT-2.6.12-rc1-V0.7.41-07
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    On Thu, 2005-03-31 at 07:36 -0500, Steven Rostedt wrote:
    > On Thu, 2005-03-31 at 13:03 +0200, Ingo Molnar wrote:
    > > * Steven Rostedt <rostedt@goodmis.org> wrote:
    >

    > Since this happened with the trylock, do you see anyway that a pending
    > owner can cause problems? Maybe this has to do with is_locked. Now a
    > pending owner makes this ambiguous. Since the lock has a owner, and a
    > task can't get it if it is of lower priority than the pending owner, but
    > it can get it if it is higher. Now is it locked? My implementation was
    > to be safe and say that it is locked.
    >
    > I'll play around some more with this.

    Oops! Found a little bug. Ingo, see if this fixes it.

    -- Steve

    --- ./kernel/rt.c.orig 2005-03-31 07:27:59.000000000 -0500
    +++ ./kernel/rt.c 2005-03-31 07:53:14.913072893 -0500
    @@ -1244,7 +1244,7 @@
    /*
    * Check to see if we didn't have ownership stolen.
    */
    - if (ret) {
    + if (!ret) {
    if (capture_lock(&waiter,task)) {
    set_task_state(task, TASK_INTERRUPTIBLE);
    goto wait_again;

    -
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