On 6/22/2017 3:03 PM, Arnd Bergmann wrote:
Drivers that want a non-atomic variant should include either
include/linux/io-64-nonatomic-hi-lo.h or include/linux/io-64-nonatomic-lo-hi.h
depending on what they need. Drivers that require 64-bit I/O should
probably just depend on CONFIG_64BIT and maybe use readq/writeq.
Ok, I will work something like that up.
We'll still need a patch similar to patch 2 (less the non-atomic
versions) seeing even CONFIG_GENERIC_IOMAP arches don't actually have a
working ioread64/iowrite64 implementation.
Thanks,
Logan
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