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References: <20210913081424.48613-1-vincenzo.frascino@arm.com> <20210913081424.48613-2-vincenzo.frascino@arm.com>
In-Reply-To: <20210913081424.48613-2-vincenzo.frascino@arm.com>
From:   Andrey Konovalov <andreyknvl@gmail.com>
Date:   Sun, 3 Oct 2021 19:12:56 +0200
Message-ID: <CA+fCnZffxd+nGngMQ+u6kJtJyGAScGocPwrU9yAPYKHRsU1Yjg@mail.gmail.com>
Subject: Re: [PATCH 1/5] kasan: Remove duplicate of kasan_flag_async
To:     Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc:     Linux ARM <linux-arm-kernel@lists.infradead.org>,
        LKML <linux-kernel@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Marco Elver <elver@google.com>,
        Evgenii Stepanov <eugenis@google.com>,
        Branislav Rankov <Branislav.Rankov@arm.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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On Mon, Sep 13, 2021 at 10:14 AM Vincenzo Frascino
<vincenzo.frascino@arm.com> wrote:
>
> After merging async mode for KASAN_HW_TAGS a duplicate of the
> kasan_flag_async flag was left erroneously inside the code.
>
> Remove the duplicate.
>
> Note: This change does not bring functional changes to the code
> base.
>
> Cc: Dmitry Vyukov <dvyukov@google.com>
> Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
> Cc: Alexander Potapenko <glider@google.com>
> Cc: Marco Elver <elver@google.com>
> Cc: Evgenii Stepanov <eugenis@google.com>
> Cc: Andrey Konovalov <andreyknvl@gmail.com>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
> ---
>  mm/kasan/kasan.h | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
> index 8bf568a80eb8..3639e7c8bb98 100644
> --- a/mm/kasan/kasan.h
> +++ b/mm/kasan/kasan.h
> @@ -38,8 +38,6 @@ static inline bool kasan_async_mode_enabled(void)
>
>  #endif
>
> -extern bool kasan_flag_async __ro_after_init;
> -
>  #if defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)
>  #define KASAN_GRANULE_SIZE     (1UL << KASAN_SHADOW_SCALE_SHIFT)
>  #else
> --
> 2.33.0
>

Reviewed-by: Andrey Konovalov <andreyknvl@gmail.com>