From: Dmitry Torokhov <dtor_core@ameritech.net>
To: Faidon Liambotis <faidon@cube.gr>
Cc: Ingo Molnar <mingo@elte.hu>,
Arjan van de Ven <arjan@infradead.org>,
linux-kernel@vger.kernel.org
Subject: Re: [patch 2.6.15-mm4] sem2mutex: drivers/input/, #2
Date: Sat, 14 Jan 2006 11:43:04 -0500 [thread overview]
Message-ID: <200601141143.05112.dtor_core@ameritech.net> (raw)
In-Reply-To: <43C92502.30307@cube.gr>
On Saturday 14 January 2006 11:21, Faidon Liambotis wrote:
> Ingo Molnar wrote:
> > @@ -1371,11 +1373,11 @@ static ssize_t psmouse_attr_set_protocol
> > return -EIO;
> > }
> >
> > - up(&psmouse_sem);
> > + mutex_unlock(&psmouse_mutex);
> > serio_unpin_driver(serio);
> > serio_unregister_child_port(serio);
> > serio_pin_driver_uninterruptible(serio);
> > - down(&psmouse_sem);
> > + mutex_lock(&psmouse_mutex);
> Isn't that supposed to be the other way around?
>
No, that's correct. We temporarily dropping the lock to let the serio core
do its job and then reaqcuire it again to finish what we were doing.
--
Dmitry
next prev parent reply other threads:[~2006-01-14 16:43 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-14 16:02 [patch 2.6.15-mm4] sem2mutex: drivers/input/, #2 Ingo Molnar
2006-01-14 16:21 ` Faidon Liambotis
2006-01-14 16:43 ` Dmitry Torokhov [this message]
2006-01-14 16:53 ` Arjan van de Ven
2006-01-14 17:01 ` Dmitry Torokhov
2006-01-14 16:21 ` Dmitry Torokhov
2006-01-14 16:49 ` Arjan van de Ven
2006-01-14 17:03 ` Dmitry Torokhov
2006-01-14 17:11 ` Arjan van de Ven
2006-01-14 17:14 ` Dmitry Torokhov
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