"Manfred H. Winter" wrote:
>
> ...
> > --- linux-2.4.6/kernel/softirq.c Wed Jul 4 18:21:32 2001
> > +++ lk-ext3/kernel/softirq.c Thu Jul 5 21:32:08 2001
> > @@ -202,8 +202,10 @@ static void tasklet_hi_action(struct sof
> > if (!tasklet_trylock(t))
> > BUG();
> > repeat:
> > - if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state))
> > + if (!test_and_clear_bit(TASKLET_STATE_SCHED, &t->state)) {
> > + printk("func: %p\n", t->func);
> > BUG();
> > + }
> > if (!atomic_read(&t->count)) {
> > local_irq_enable();
> > t->func(t->data);
> >
>
> Okay, here's the output of gdb:
>
> (gdb) x/10i 0xc0118028
> 0xc0118028 <bh_action>: mov 0x4(%esp,1),%eax
> 0xc011802c <bh_action+4>: cmpl $0x0,0xc025c2e4
> 0xc0118033 <bh_action+11>: jne 0xc0118043 <bh_action+27>
> 0xc0118035 <bh_action+13>: mov 0xc024af20(,%eax,4),%eax
> 0xc011803c <bh_action+20>: test %eax,%eax
> 0xc011803e <bh_action+22>: je 0xc0118042 <bh_action+26>
> 0xc0118040 <bh_action+24>: call *%eax
> 0xc0118042 <bh_action+26>: ret
> 0xc0118043 <bh_action+27>: lea (%eax,%eax,4),%eax
> 0xc0118046 <bh_action+30>: lea 0xc025bf80(,%eax,4),%eax
>
Well I guess it tells us it's not random uninitialised
crud.
Just for interest: what happens if you swap around the lines
time_init();
softirq_init();
in init/main.c?
-
-
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