linux-kernel - Re: [PATCH RFC v2 06/21] kasan: mark kasan_init_tags as _

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Date:   Wed, 28 Oct 2020 11:08:00 +0100
From:   Dmitry Vyukov <dvyukov@...gle.com>
To:     Andrey Konovalov <andreyknvl@...gle.com>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Evgenii Stepanov <eugenis@...gle.com>,
        Kostya Serebryany <kcc@...gle.com>,
        Peter Collingbourne <pcc@...gle.com>,
        Serban Constantinescu <serbanc@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Elena Petrova <lenaptr@...gle.com>,
        Branislav Rankov <Branislav.Rankov@....com>,
        Kevin Brodsky <kevin.brodsky@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        kasan-dev <kasan-dev@...glegroups.com>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux-MM <linux-mm@...ck.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC v2 06/21] kasan: mark kasan_init_tags as __init

On Thu, Oct 22, 2020 at 3:19 PM 'Andrey Konovalov' via kasan-dev
<kasan-dev@...glegroups.com> wrote:
>
> Similarly to kasan_init() mark kasan_init_tags() as __init.
>
> Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
> Link: https://linux-review.googlesource.com/id/I8792e22f1ca5a703c5e979969147968a99312558

Reviewed-by: Dmitry Vyukov <dvyukov@...gle.com>

init_tags itself is not __init, but that's added in a different patch.
I've commented on that patch.


> ---
>  include/linux/kasan.h | 2 +-
>  mm/kasan/hw_tags.c    | 2 +-
>  mm/kasan/sw_tags.c    | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/include/linux/kasan.h b/include/linux/kasan.h
> index 7be9fb9146ac..93d9834b7122 100644
> --- a/include/linux/kasan.h
> +++ b/include/linux/kasan.h
> @@ -185,7 +185,7 @@ static inline void kasan_record_aux_stack(void *ptr) {}
>
>  #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS)
>
> -void kasan_init_tags(void);
> +void __init kasan_init_tags(void);
>
>  void *kasan_reset_tag(const void *addr);
>
> diff --git a/mm/kasan/hw_tags.c b/mm/kasan/hw_tags.c
> index 2a38885014e3..0128062320d5 100644
> --- a/mm/kasan/hw_tags.c
> +++ b/mm/kasan/hw_tags.c
> @@ -15,7 +15,7 @@
>
>  #include "kasan.h"
>
> -void kasan_init_tags(void)
> +void __init kasan_init_tags(void)
>  {
>         init_tags(KASAN_TAG_MAX);
>  }
> diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c
> index c10863a45775..bf1422282bb5 100644
> --- a/mm/kasan/sw_tags.c
> +++ b/mm/kasan/sw_tags.c
> @@ -35,7 +35,7 @@
>
>  static DEFINE_PER_CPU(u32, prng_state);
>
> -void kasan_init_tags(void)
> +void __init kasan_init_tags(void)
>  {
>         int cpu;
>
> --
> 2.29.0.rc1.297.gfa9743e501-goog
>
> --
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