[PATCH] powerpc/64: Fix unannotated intra-function call warning

[Stephen Rothwell]

Hi all,

On Fri, 17 Feb 2023 10:02:26 +0530 Sathvika Vasireddy <sv at linux.ibm.com> wrote:
>
> objtool throws the following warning:
>   arch/powerpc/kernel/head_64.o: warning: objtool: .text+0x6128:
>   unannotated intra-function call
> 
> Fix the warning by annotating start_initialization_book3s symbol with the
> SYM_FUNC_START_LOCAL and SYM_FUNC_END macros.
> 
> Reported-by: Stephen Rothwell <sfr at canb.auug.org.au>
> Signed-off-by: Sathvika Vasireddy <sv at linux.ibm.com>
> ---
>  arch/powerpc/kernel/head_64.S | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
> index 3a7266fa8a18..1febb56ebaeb 100644
> --- a/arch/powerpc/kernel/head_64.S
> +++ b/arch/powerpc/kernel/head_64.S
> @@ -472,7 +472,7 @@ SYM_FUNC_START_LOCAL(__mmu_off)
>  	b	.	/* prevent speculative execution */
>  SYM_FUNC_END(__mmu_off)
>  
> -start_initialization_book3s:
> +SYM_FUNC_START_LOCAL(start_initialization_book3s)
>  	mflr	r25
>  
>  	/* Setup some critical 970 SPRs before switching MMU off */
> @@ -494,6 +494,7 @@ start_initialization_book3s:
>  
>  	mtlr	r25
>  	blr
> +SYM_FUNC_END(start_initialization_book3s)
>  #endif
>  
>  /*
> -- 
> 2.31.1
> 

That at least makes the warning go away for me.

Tested-by: Stephen Rothwell <sfr at canb.auug.org.au>
Fixes:  58f24eea5278 ("powerpc/64s: Refactor initialisation after prom")

-- 
Cheers,
Stephen Rothwell
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