From: Michael Buesch <mb@bu3sch.de>
To: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: Larry Finger <Larry.Finger@lwfinger.net>,
"Hin-Tak Leung" <hintak.leung@gmail.com>,
Pavel Roskin <proski@gnu.org>,
wireless <linux-wireless@vger.kernel.org>
Subject: Re: [RFC/RFT] rtl8187: Protect the config callback from mac80211 with a mutex
Date: Wed, 30 Jul 2008 20:41:41 +0200 [thread overview]
Message-ID: <200807302041.41327.mb@bu3sch.de> (raw)
In-Reply-To: <200807301511.12267.herton@mandriva.com.br>
On Wednesday 30 July 2008 20:11:11 Herton Ronaldo Krzesinski wrote:
> Em Wednesday 30 July 2008 14:46:40 Michael Buesch escreveu:
> > On Wednesday 30 July 2008 19:13:52 Herton Ronaldo Krzesinski wrote:
> > > > Yeah, I said exactly that.
> > > > You protect the loopback stuff. Not any config callback or anything else.
> > >
> > > Ah ok, only protect the section, like this?
> >
> > Yeah, well. In theory, yes. In practice: Aren't there other races possible, too?
> > I mean even races with other parts of the driver.
> > b43 needs to take the global driver mutex in the conf callback to make
> > sure nothing changes (device init state probably is the most important one.
> > Device going down while configuring would be a fatal crash).
>
> In practice I don't get other problems, but better to stick to the patch posted
> by Larry,
Yeah, OK. I'm fine with that. I was just pointing out possible future problems.
> like he said to avoid config data from one call mixed to the other.
Nah, we're not locking calls ;P
--
Greetings Michael.
next prev parent reply other threads:[~2008-07-30 18:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-30 6:12 [RFC/RFT] rtl8187: Protect the config callback from mac80211 with a mutex Larry Finger
2008-07-30 13:24 ` Michael Buesch
2008-07-30 13:27 ` Michael Buesch
2008-07-30 14:53 ` Herton Ronaldo Krzesinski
2008-07-30 15:02 ` Michael Buesch
2008-07-30 16:08 ` Herton Ronaldo Krzesinski
2008-07-30 16:16 ` Michael Buesch
2008-07-30 17:13 ` Herton Ronaldo Krzesinski
2008-07-30 17:31 ` Larry Finger
2008-07-30 17:46 ` Michael Buesch
2008-07-30 18:11 ` Herton Ronaldo Krzesinski
2008-07-30 18:41 ` Michael Buesch [this message]
2008-07-30 19:26 ` Hin-Tak Leung
2008-07-30 13:27 ` Herton Ronaldo Krzesinski
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