Re: [PATCH 03/35] kasan: shadow declarations only for software modes

[Marco Elver]

On Fri, Aug 14, 2020 at 07:26PM +0200, Andrey Konovalov wrote:
> This is a preparatory commit for the upcoming addition of a new hardware
> tag-based (MTE-based) KASAN mode.
> 
> Group shadow-related KASAN function declarations and only define them
> for the two existing software modes.
> 
> No functional changes for software modes.
> 
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> ---
>  include/linux/kasan.h | 44 ++++++++++++++++++++++++++-----------------
>  1 file changed, 27 insertions(+), 17 deletions(-)
> 
> diff --git a/include/linux/kasan.h b/include/linux/kasan.h
> index bd5b4965a269..44a9aae44138 100644
> --- a/include/linux/kasan.h
> +++ b/include/linux/kasan.h
[...]
> +static inline int kasan_add_zero_shadow(void *start, unsigned long size)
> +{
> +	return 0;
> +}
> +static inline void kasan_remove_zero_shadow(void *start,
> +					unsigned long size)
> +{}

Readability suggestion (latest checkpatch.pl allows up to 100 cols):

-static inline void kasan_remove_zero_shadow(void *start,
-					unsigned long size)
-{}
+static inline void kasan_remove_zero_shadow(void *start, unsigned long size) {}

Thanks,
-- Marco