From: Peter Zijlstra <peterz@infradead.org>
To: Jiri Kosina <jkosina@suse.cz>
Cc: Greg KH <greg@kroah.com>,
linux-usb@vger.kernel.org, Oliver Neukum <oneukum@suse.de>,
Alan Stern <stern@rowland.harvard.edu>,
lchiquitto@novell.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] USB: fix deadlock in HCD code
Date: Thu, 22 May 2008 00:26:08 +0200 [thread overview]
Message-ID: <1211408768.29104.3.camel@twins> (raw)
In-Reply-To: <Pine.LNX.4.64.0805211405520.6718@jikos.suse.cz>
On Wed, 2008-05-21 at 14:09 +0200, Jiri Kosina wrote:
> hcd_urb_list_lock is used for synchronization between IRQ and non-IRQ
> contexts, so the non-IRQ context has to disable IRQs in order to prevent
> deadlocking with IRQ context.
Just wondering,... doesn't lockdep say anything about the situation?
prev parent reply other threads:[~2008-05-21 22:26 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-21 12:09 [PATCH] USB: fix deadlock in HCD code Jiri Kosina
2008-05-21 13:21 ` Oliver Neukum
2008-05-21 13:27 ` Jiri Kosina
2008-05-21 13:32 ` Oliver Neukum
2008-05-21 13:36 ` Jiri Kosina
2008-05-21 13:47 ` Oliver Neukum
2008-05-21 14:13 ` Alan Stern
2008-05-21 14:22 ` Jiri Kosina
2008-05-21 14:46 ` Alan Stern
2008-05-21 19:32 ` Leonardo Chiquitto
2008-05-21 20:03 ` Oliver Neukum
2008-05-21 14:29 ` David Vrabel
2008-05-21 14:42 ` Alan Stern
2008-05-21 14:53 ` David Vrabel
2008-05-21 14:58 ` Alan Stern
2008-05-21 14:31 ` Oliver Neukum
2008-05-21 13:40 ` Oliver Neukum
2008-05-21 22:26 ` Peter Zijlstra [this message]
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