From: Roland Dreier <rdreier@cisco.com>
To: Arjan van de Ven <arjan@infradead.org>
Cc: Zach Brown <zach.brown@oracle.com>,
openib-general@openib.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@elte.hu>
Subject: Re: [openib-general] ipoib lockdep warning
Date: Wed, 12 Jul 2006 12:01:37 -0700 [thread overview]
Message-ID: <adasll6wstq.fsf@cisco.com> (raw)
In-Reply-To: 1152686978.3217.14.camel@laptopd505.fenrus.org
> this does not have to be a false positive!
> It is not legal to take ANY non-hardirq safe lock after having taken a
> lock that's used in hardirq context.
> (having said that the skb_queue_tail lock needs a special treatment for
> some real false positives; Linus merged that already)
...
> Now this assumes your queue is shared with the networking stack,
Right, understood -- but ipoib has a private skb queue. Which is why
I said it was a false positive.
Thanks,
Roland
prev parent reply other threads:[~2006-07-12 19:01 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-11 20:10 ipoib lockdep warning Zach Brown
2006-07-11 21:16 ` Michael S. Tsirkin
2006-07-11 21:40 ` Sean Hefty
2006-07-11 21:50 ` [openib-general] " Zach Brown
2006-07-11 22:54 ` Roland Dreier
2006-07-11 23:27 ` Zach Brown
2006-07-11 23:43 ` Roland Dreier
2006-07-11 23:53 ` Zach Brown
2006-07-12 0:06 ` Roland Dreier
2006-07-12 9:38 ` Ingo Molnar
2006-07-12 11:09 ` Michael S. Tsirkin
2006-07-12 16:31 ` [openib-general] " Sean Hefty
2006-07-12 18:56 ` Roland Dreier
2006-07-13 15:55 ` [PATCH] IB/core: use correct gfp_mask in sa_query Michael S. Tsirkin
2006-07-12 19:06 ` [openib-general] ipoib lockdep warning Roland Dreier
2006-07-12 20:45 ` [PATCH] Convert idr's internal locking to _irqsave variant Roland Dreier
2006-07-12 21:14 ` Ingo Molnar
2006-07-13 1:30 ` Andrew Morton
2006-07-13 15:42 ` Roland Dreier
2006-07-13 20:54 ` Andrew Morton
2006-07-13 21:03 ` Roland Dreier
2006-07-13 21:05 ` Arjan van de Ven
2006-07-14 0:18 ` Roland Dreier
2006-07-14 6:20 ` Arjan van de Ven
2006-07-13 21:43 ` Andrew Morton
2006-07-14 1:08 ` Roland Dreier
2006-07-14 1:18 ` Andrew Morton
2006-07-14 1:30 ` Andrew Morton
2006-07-17 15:57 ` Roland Dreier
2006-07-12 2:33 ` [openib-general] ipoib lockdep warning Roland Dreier
2006-07-12 6:49 ` Arjan van de Ven
2006-07-12 19:01 ` Roland Dreier [this message]
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