| To: | Stephen Hemminger <shemminger@xxxxxxxx> |
|---|---|
| Subject: | Re: [PATCH] spinlock badness in last dongle changes. |
| From: | Jean Tourrilhes <jt@xxxxxxxxxxxxxxxxxx> |
| Date: | Tue, 7 Oct 2003 19:03:31 -0700 |
| Address: | HP Labs, 1U-17, 1501 Page Mill road, Palo Alto, CA 94304, USA. |
| Cc: | davem@xxxxxxxxxx, netdev@xxxxxxxxxxx |
| E-mail: | jt@hpl.hp.com |
| In-reply-to: | <20031006222631.1934f8e1.shemminger@osdl.org> |
| Organisation: | HP Labs Palo Alto |
| References: | <20031006222631.1934f8e1.shemminger@osdl.org> |
| Reply-to: | jt@xxxxxxxxxx |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.3.28i |
On Mon, Oct 06, 2003 at 10:26:31PM -0700, Stephen Hemminger wrote:
> On 2.6.0-test6 bk latest, rmmod of irda hangs on SMP...
>
> A couple of locking problems happened when converted from using
> hashbin lock outside of irqueue. First, the lock was never initialized;
> Second, the lock was being unlocked after the hashbin was free.
>
> Since the hashbin of dongles should be empty (ie all dongle unregistered)
> don't really need locking there, so just warn if we find anything...
I've recompiled my kernel with this patch and the trouble
modprobing the dongle driver went away.
Thanks !
Jean
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