On 06/06/07, john stultz <[email protected]> wrote:
--- 2.6-rt.orig/kernel/softirq.c 2007-06-05 18:30:54.000000000 -0700
+++ 2.6-rt/kernel/softirq.c 2007-06-05 18:36:44.000000000 -0700
@@ -544,10 +544,17 @@ static void inline
__tasklet_common_schedule(struct tasklet_struct *t, struct tasklet_head *head, unsigned int nr)
{
if (tasklet_trylock(t)) {
- WARN_ON(t->next != NULL);
- t->next = head->list;
- head->list = t;
- raise_softirq_irqoff(nr);
+ /* We may have been preempted before tasklet_trylock
+ * and __tasklet_action may have already run.
+ * So double check the sched bit while the takslet
s/takslet/tasklet/
--
Jesper Juhl <[email protected]>
Don't top-post http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please http://www.expita.com/nomime.html
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