Re: [PATCH] x86/boot: Rename overlapping memcpy() to memmove()

[Ingo Molnar]

* Kees Cook <keescook@xxxxxxxxxxxx> wrote:

> --- a/arch/x86/boot/compressed/string.c
> +++ b/arch/x86/boot/compressed/string.c
> @@ -1,7 +1,13 @@
> +/*
> + * This provides an optimized implementation of memcpy, and a simplified
> + * implementation of memset and memmove, to avoid problems with the
> + * built-in implementations when running in the restricted decompression
> + * stub environment.
> + */

Does 'built in' here mean the compiler's implementation?

We cannot call kernel built-in functions yet, so we have to duplicate everything 
we might need, right?

Thanks,

	Ingo