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From:   Vincenzo Frascino <vincenzo.frascino@arm.com>
To:     linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        kasan-dev@googlegroups.com
Cc:     vincenzo.frascino@arm.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>,
        Andrey Konovalov <andreyknvl@gmail.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Subject: [PATCH v3 1/5] kasan: Remove duplicate of kasan_flag_async
Date:   Wed,  6 Oct 2021 16:47:47 +0100
Message-Id: <20211006154751.4463-2-vincenzo.frascino@arm.com>
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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>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Andrey Konovalov <andreyknvl@gmail.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