[PATCH 3/3] dma-debug: unexport dma_debug_resize_entries and debug_dma_dump_mappings
Christoph Hellwig
hch at lst.de
Tue May 8 03:45:56 PDT 2018
On Tue, May 08, 2018 at 11:05:20AM +0100, Robin Murphy wrote:
> On 24/04/18 15:02, Christoph Hellwig wrote:
>> Only used by the AMD GART driver, which must be built in.
>
> FWIW debug_dma_dump_mappings() is also called by the Intel VT-d driver, but
> the same reasoning still applies.
I'll update the changelog.
> This does rather beg the question of
> whether it's right to have bits of low-level dma-debug internals *only*
> called by a couple of IOMMU drivers, but that can wait for another day.
My gut feeling is that it is wrong, but I didn't have time to look into
the details and history of how this happened.
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