Re: [PATCH v2] dma-debug: Check scatterlist segments

2018-05-17 Thread kbuild test robot
Hi Robin, I love your patch! Perhaps something to improve: [auto build test WARNING on linus/master] [also build test WARNING on v4.17-rc5 next-20180517] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/

[PATCH v2] dma-debug: Check scatterlist segments

2018-05-14 Thread Robin Murphy
Drivers/subsystems creating scatterlists for DMA should be taking care to respect the scatter-gather limitations of the appropriate device, as described by dma_parms. A DMA API implementation cannot feasibly split a scatterlist into *more* entries than originally passed, so it is not well defined w