Re: [RFC PATCH 1/3] init.h: Add __init_str / __exit_str macros

[Joe Perches]

On Mon, 2014-06-23 at 00:46 +0200, Mathias Krause wrote:
> Add macros to be able to mark string literals used in __init / __exit
> functions.
[]
> diff --git a/include/linux/init.h b/include/linux/init.h
[]
> +#define __init_str(str)	__mark_str(str, __UNIQUE_ID(_init_str_), __initconst)
> +#define __exit_str(str)	__mark_str(str, __UNIQUE_ID(_exit_str_), __exitdata)
> +#define __mark_str(str, var, __section) \
> +	({ static const char var[] __section __aligned(1) = str; var; })
> +

You probably want to make these strings vanish
completely when !CONFIG_PRINTK.

As is, they will always exist in the image.


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