On Mon, 29 Feb 2016 16:09:24 +0000 Brian Starkey <[email protected]> wrote:
> Use memset_io() for DMA_MEMORY_IO mappings which are mapped as I/O > memory, and regular memset() for DMA_MEMORY_MAP mappings. > > This fixes the below alignment fault on arm64 for DMA_MEMORY_IO > mappings, where memset() uses the DC ZVA instruction which is > invalid on device memory. What's the urgency of this fix? "Hair on fire needed in stable asap" or "Nice to have in there for 4.6" or what?
