linux-kernel - Re: [PATCH] ixp4xx_crypto panic with fragmented packets in scatterlist

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Message-ID: <20090227102609.GD6283@elara.bln.innominate.local>
Date:	Fri, 27 Feb 2009 11:26:10 +0100
From:	Christian Hohnstaedt <chohnstaedt@...ominate.com>
To:	Karl Hiramoto <karl@...amoto.org>
Cc:	Herbert Xu <herbert@...dor.apana.org.au>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	chohnstaedt@...ominate.com, linux-crypto@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.arm.linux.org.uk
Subject: Re: [PATCH] ixp4xx_crypto panic with fragmented packets in
	scatterlist

On Thu, Feb 26, 2009 at 09:27:09PM +0100, Karl Hiramoto wrote:
> Herbert Xu wrote:
>> Russell King - ARM Linux <linux@....linux.org.uk> wrote:
>>   
>>> We can't merge this until _all_ of ARM has been fixed for walking
>>> scatterlist chains.
>>>     
>>
>> Right, this is definitely not the way to fix this bug.  Because
>> even if ARM completely supported chaining, you still have to fix
>> all the other architectures as well.
>>
>> So please just fix the driver to remove the chaining before doing
>> DMA.
>>
>>   
> Is there an example of how to do this somewhere? 
>

Not needed.

Now that I know the details about the different ways of chaining
and their scope, I know how to fix my driver properly.

Patch follows, soon...

best regards
Christian

-- 
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