[PATCH] dma-debug: New interfaces to debug dma mapping errors

[Joerg Roedel]

On Mon, Sep 17, 2012 at 04:45:15PM -0600, Shuah Khan wrote:
> Yeah. I will firm up my ideas a bit and summarize in a day or two. Would
> like to hear your ideas as well at that time, so we can pick the one
> that works the best.

I think the best approach for this functionality is to add a flag to
'struct dma_debug_entry' which tells whether the address has been
checked with dma_mapping error or not. On unmap or driver unload you can
then check for that flag and print a warning when an unchecked address
is detected.


	Joerg

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