Hi Shuah, On Fri, Nov 23, 2012 at 02:29:02PM -0700, Shuah Khan wrote: > x86 - done in the first patch that added the feature. > > ARM64: dma_debug: add debug_dma_mapping_error support > c6x: dma_debug: add debug_dma_mapping_error support > ia64: dma_debug: add debug_dma_mapping_error support > microblaze: dma-mapping: support debug_dma_mapping_error > mips: dma_debug: add debug_dma_mapping_error support > powerpc: dma_debug: add debug_dma_mapping_error support > sh: dma_debug: add debug_dma_mapping_error support > sparc: dma_debug: add debug_dma_mapping_error support > tile: dma_debug: add debug_dma_mapping_error support Have you compile-tested the invididual archs you are changing here? Joerg