Re: [PATCH v4 12/16] objtool: Read special sections with alts only when specific options are selected

[Christophe Leroy]

Le 02/10/2022 à 12:42, Sathvika Vasireddy a écrit :
> Call add_special_section_alts() only when stackval or orc or uaccess or
> noinstr options are passed to objtool.
> 
> Signed-off-by: Sathvika Vasireddy <sv@xxxxxxxxxxxxx>

Reviewed-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>

> ---
>   tools/objtool/check.c | 8 +++++---
>   1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/objtool/check.c b/tools/objtool/check.c
> index 35827e6c6df9..c6457dac6d58 100644
> --- a/tools/objtool/check.c
> +++ b/tools/objtool/check.c
> @@ -2372,9 +2372,11 @@ static int decode_sections(struct objtool_file *file)
>   	 * Must be before add_jump_destinations(), which depends on 'func'
>   	 * being set for alternatives, to enable proper sibling call detection.
>   	 */
> -	ret = add_special_section_alts(file);
> -	if (ret)
> -		return ret;
> +	if (opts.stackval || opts.orc || opts.uaccess || opts.noinstr) {
> +		ret = add_special_section_alts(file);
> +		if (ret)
> +			return ret;
> +	}
>   
>   	ret = add_jump_destinations(file);
>   	if (ret)