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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>
Subject: Re: Kernel Panic during memcpy_toio to PCI card
Date: 02 Nov 2002 01:15:11 +0000	[thread overview]
Message-ID: <1036199711.14840.4.camel@irongate.swansea.linux.org.uk> (raw)
In-Reply-To: <20021101232948.GA7650@suse.de>

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


  reply	other threads:[~2002-11-02  0:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-01 20:34 Donepudi, Suneeta
2002-11-01 23:28 ` Matt D. Robinson
2002-11-01 23:29   ` Dave Jones
2002-11-02  1:15     ` Alan Cox [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-11-02 19:46 Donepudi, Suneeta
2002-11-01 20:06 Donepudi, Suneeta

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