From: David Miller <davem@davemloft.net>
To: arnd@arndb.de
Cc: ceggers@gmx.de, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: [PATCH] usb/mcs7830: Don't use buffers from stack for USB transfers
Date: Tue, 20 Jan 2009 15:39:14 -0800 (PST) [thread overview]
Message-ID: <20090120.153914.208764614.davem@davemloft.net> (raw)
In-Reply-To: <200901210037.51622.arnd@arndb.de>
From: Arnd Bergmann <arnd@arndb.de>
Date: Wed, 21 Jan 2009 00:37:51 +0100
> On a related topic, can we put something in place that can check for
> this error at run-time, like a WARN_ON(is_kernel_stack(addr)) in
> dma_map_single?
That would be something for the DMA API debugging patches that
have been floating around lately.
next prev parent reply other threads:[~2009-01-20 23:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-20 20:29 [PATCH] usb/mcs7830: Don't use buffers from stack for USB transfers Christian Eggers
2009-01-20 20:32 ` David Miller
2009-01-20 22:45 ` Arnd Bergmann
2009-01-20 22:47 ` David Miller
2009-01-20 23:17 ` Arnd Bergmann
2009-01-20 23:23 ` David Miller
2009-01-20 23:36 ` Oliver Neukum
2009-01-20 23:37 ` Arnd Bergmann
2009-01-20 23:39 ` David Miller [this message]
2009-01-20 23:28 ` Oliver Neukum
2009-01-20 22:50 ` Oliver Neukum
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