Re: [PATCH v9 12/44] kasan: don't duplicate config dependencies

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On Tue, Nov 10, 2020 at 11:11 PM Andrey Konovalov <andreyknvl@xxxxxxxxxx> wrote:
>
> Both KASAN_GENERIC and KASAN_SW_TAGS have common dependencies, move
> those to KASAN.
>
> Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
> Reviewed-by: Marco Elver <elver@xxxxxxxxxx>
Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>

> ---
> Change-Id: I77e475802e8f1750b9154fe4a6e6da4456054fcd
> ---
>  lib/Kconfig.kasan | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
> index 8f0742a0f23e..ec59a0e26d09 100644
> --- a/lib/Kconfig.kasan
> +++ b/lib/Kconfig.kasan
> @@ -24,6 +24,8 @@ menuconfig KASAN
>                    (HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS)
>         depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
>         depends on CC_HAS_WORKING_NOSANITIZE_ADDRESS
> +       select CONSTRUCTORS
> +       select STACKDEPOT
>         help
>           Enables KASAN (KernelAddressSANitizer) - runtime memory debugger,
>           designed to find out-of-bounds accesses and use-after-free bugs.
> @@ -46,10 +48,7 @@ choice
>  config KASAN_GENERIC
>         bool "Generic mode"
>         depends on HAVE_ARCH_KASAN && CC_HAS_KASAN_GENERIC
> -       depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
>         select SLUB_DEBUG if SLUB
> -       select CONSTRUCTORS
> -       select STACKDEPOT
>         help
>           Enables generic KASAN mode.
>
> @@ -70,10 +69,7 @@ config KASAN_GENERIC
>  config KASAN_SW_TAGS
>         bool "Software tag-based mode"
>         depends on HAVE_ARCH_KASAN_SW_TAGS && CC_HAS_KASAN_SW_TAGS
> -       depends on (SLUB && SYSFS) || (SLAB && !DEBUG_SLAB)
>         select SLUB_DEBUG if SLUB
> -       select CONSTRUCTORS
> -       select STACKDEPOT
>         help
>           Enables software tag-based KASAN mode.
>
> --
> 2.29.2.222.g5d2a92d10f8-goog
>


-- 
Alexander Potapenko
Software Engineer

Google Germany GmbH
Erika-Mann-Straße, 33
80636 München

Geschäftsführer: Paul Manicle, Halimah DeLaine Prado
Registergericht und -nummer: Hamburg, HRB 86891
Sitz der Gesellschaft: Hamburg





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