Am 31.10.2012 11:44, schrieb Xiaotian Feng: > Some driver uses tasklet_disable in device remove/release process, > tasklet_disable will inc tasklet->count and return. If the tasklet > is not handled yet under some softirq pressure, the tasklet will be > placed on the tasklet_vec, never have a chance to be excuted. This might > lead to a heavy loaded ksoftirqd, wakeup with pending_softirq, but > tasklet is disabled. tasklet_kill should be used in this case. > > Signed-off-by: Xiaotian Feng <[email protected]> > Cc: Hansjoerg Lipp <[email protected]> > Cc: Tilman Schmidt <[email protected]> > Cc: Karsten Keil <[email protected]> > Cc: [email protected] Acked-by: Tilman Schmidt <[email protected]>
> --- > drivers/isdn/gigaset/interface.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/isdn/gigaset/interface.c > b/drivers/isdn/gigaset/interface.c > index 67abf3f..284c7f3 100644 > --- a/drivers/isdn/gigaset/interface.c > +++ b/drivers/isdn/gigaset/interface.c > @@ -544,7 +544,6 @@ void gigaset_if_free(struct cardstate *cs) > if (!drv->have_tty) > return; > > - tasklet_disable(&cs->if_wake_tasklet); > tasklet_kill(&cs->if_wake_tasklet); > cs->tty_dev = NULL; > tty_unregister_device(drv->tty, cs->minor_index); > -- Tilman Schmidt E-Mail: [email protected] Bonn, Germany Diese Nachricht besteht zu 100% aus wiederverwerteten Bits. Ungeöffnet mindestens haltbar bis: (siehe Rückseite)
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