From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael =?UTF-8?B?QsO8c2No?= <m@bues.ch>
Subject: Re: [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison
 overwritten
Date: Mon, 4 Jul 2011 16:43:51 +0200
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Cc: Eric Dumazet <eric.dumazet@gmail.com>,
	Alexey Zaytsev <alexey.zaytsev@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	netdev@vger.kernel.org, Gary Zambrano <zambrano@broadcom.com>,
	bugme-daemon@bugzilla.kernel.org,
	"David S. Miller" <davem@davemloft.net>,
	Pekka Pietikainen <pp@ee.oulu.fi>,
	Florian Schirmer <jolt@tuxbox.org>,
	Felix Fietkau <nbd@openwrt.org>, Michael Buesch <mb@bu3sch.de>
To: Michael =?UTF-8?B?QsO8c2No?= <m@bues.ch>
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On Mon, 4 Jul 2011 16:27:26 +0200
Michael B=C3=BCsch <m@bues.ch> wrote:
> We do this in b43, which has exactly the same DMA engine.

(Ok, it turns out we don't do this in b43 (We only do it on the TX side=
).
 But that's a bug. We should do a wmb() on the RX side before advancing=
 the
 descriptor ring pointer.)