[PATCH V2] arm64: optimized copy_to_user and copy_from_user assembly code

[Radha Mohan]

Hi Feng,


> +
> +.Lcpy_not_short:
> +       /*
> +        * We don't much care about the alignment of DST, but we want SRC
> +        * to be 128-bit (16 byte) aligned so that we don't cross cache line
> +        * boundaries on both loads and stores.
> +        */

Could you please tell why is destination alignment not an issue? Is
this a generic implementation that you are referring to or specific to
your platform?

> --
> 1.9.1
>
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