Re: [PATCH 2 of 2] __raw_memcpy_toio32 for x86_64

[Roland Dreier]

    Andi> Well then they can just as well use normal memcpy as long as
    Andi> they don't pass any sizes % 4 != 0. That should be ok as
    Andi> long as they add a comment there.

But then the driver will be doing memcpy() to I/O memory, which may
work by chance on x86_64 but will blow up on other archs.

 - R.
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