| Date | Thu, 12 Feb 2009 16:20:27 +0100 | From | Joerg Roedel <> | Subject | Re: [PATCH 0/16] DMA-API debugging facility v2 |
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On Thu, Feb 05, 2009 at 10:52:32PM +0000, David Woodhouse wrote: > This adds a function to dump the DMA mappings that the debugging code is > aware of -- either for a single device, or for _all_ devices. > > This can be useful for debugging -- sticking a call to it in the DMA > page fault handler, for example, to see if the faulting address _should_ > be mapped or not, and hence work out whether it's IOMMU bugs we're > seeing, or driver bugs. > > I'd also like to make it answer the question 'should address X be mapped > for device Y', but I'll get to that next. > > Do we have a %pX format for printing dma_addr_t yet? > > Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> >
Great. Thanks. Applied to my dma-api/debug branch.
Joerg
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