Re: [PATCH security-next v3 02/29] vmlinux.lds.h: Avoid copy/paste of security_init section

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On 09/24/2018 05:18 PM, Kees Cook wrote:
> Avoid copy/paste by defining SECURITY_INIT in terms of SECURITY_INITCALL.
> 
> Cc: Arnd Bergmann <arnd@xxxxxxxx>
> Cc: linux-arch@xxxxxxxxxxxxxxx
> Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>


Reviewed-by: John Johansen <john.johansen@xxxxxxxxxxxxx>

> ---
>  include/asm-generic/vmlinux.lds.h | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
> 
> diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
> index 7b75ff6e2fce..934a45395547 100644
> --- a/include/asm-generic/vmlinux.lds.h
> +++ b/include/asm-generic/vmlinux.lds.h
> @@ -473,13 +473,6 @@
>  #define RODATA          RO_DATA_SECTION(4096)
>  #define RO_DATA(align)  RO_DATA_SECTION(align)
>  
> -#define SECURITY_INIT							\
> -	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
> -		__security_initcall_start = .;				\
> -		KEEP(*(.security_initcall.init))			\
> -		__security_initcall_end = .;				\
> -	}
> -
>  /*
>   * .text section. Map to function alignment to avoid address changes
>   * during second ld run in second ld pass when generating System.map
> @@ -798,6 +791,12 @@
>  		KEEP(*(.security_initcall.init))			\
>  		__security_initcall_end = .;
>  
> +/* Older linker script style for security init. */
> +#define SECURITY_INIT							\
> +	.security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \
> +		SECURITY_INITCALL					\
> +	}
> +
>  #ifdef CONFIG_BLK_DEV_INITRD
>  #define INIT_RAM_FS							\
>  	. = ALIGN(4);							\
> 




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