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Subject: Re: Kernel Panic during memcpy_toio to PCI card
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Dave Jones <davej@codemonkey.org.uk>
Cc: "Matt D. Robinson" <yakker@aparity.com>,
       "Donepudi, Suneeta" <sdonepudi@3eti.com>,
       "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
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On Fri, 2002-11-01 at 23:29, Dave Jones wrote:
> memcpy_toio() in 2.4 is still using memcpy() which could use prefetch()
> if you compile for certain processors.  Prefetching io space could do
> all sorts of nasties.
> 

If so that really wants fixing ASAP ie for 2.4.20