[RFT/RFC PATCH 5/6] ARM: move the .idmap.text section closer to .head.text

Nicolas Pitre nicolas.pitre at linaro.org
Thu Mar 12 13:33:17 PDT 2015


On Thu, 12 Mar 2015, Ard Biesheuvel wrote:

> This moves the .idmap.text section closer to .head.text, so that
> relative branches are less likely to go out of range if the kernel
> text gets bigger.
> 
> Signed-off-by: Ard Biesheuvel <ard.biesheuvel at linaro.org>

Acked-by: Nicolas Pitre <nico at linaro.org>

> ---
>  arch/arm/kernel/vmlinux.lds.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
> index e3b9403bd2d6..2e7b2220ef5f 100644
> --- a/arch/arm/kernel/vmlinux.lds.S
> +++ b/arch/arm/kernel/vmlinux.lds.S
> @@ -103,6 +103,7 @@ SECTIONS
>  
>  	.text : {			/* Real text segment		*/
>  		_stext = .;		/* Text and read-only data	*/
> +			IDMAP_TEXT
>  			__exception_text_start = .;
>  			*(.exception.text)
>  			__exception_text_end = .;
> @@ -111,7 +112,6 @@ SECTIONS
>  			SCHED_TEXT
>  			LOCK_TEXT
>  			KPROBES_TEXT
> -			IDMAP_TEXT
>  #ifdef CONFIG_MMU
>  			*(.fixup)
>  #endif
> -- 
> 1.8.3.2
> 
> 



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