Hi Huacai,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on linus/master]
[also build test ERROR on v4.14-rc7]
[cannot apply to next-20171103]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
In non-coherent DMA mode, kernel uses cache flushing operations to
maintain I/O coherency, so scsi's block queue should be aligned to
ARCH_DMA_MINALIGN. Otherwise, If a DMA buffer and a kernel structure
share a same cache line, and if the kernel structure has dirty data,
cache_invalidate (no
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