linux-kernel - [PATCH mm v10 40/42] kasan, arm64: enable CONFIG_KASAN_HW

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Message-Id: <0355e2644c50417c41d3d2da23c95a50e122716b.1605305705.git.andreyknvl@google.com>
Date:   Fri, 13 Nov 2020 23:16:08 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Evgenii Stepanov <eugenis@...gle.com>,
        Branislav Rankov <Branislav.Rankov@....com>,
        Kevin Brodsky <kevin.brodsky@....com>,
        kasan-dev@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: [PATCH mm v10 40/42] kasan, arm64: enable CONFIG_KASAN_HW_TAGS

Hardware tag-based KASAN is now ready, enable the configuration option.

Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
Acked-by: Catalin Marinas <catalin.marinas@....com>
Reviewed-by: Alexander Potapenko <glider@...gle.com>
---
Change-Id: I6eb1eea770e6b61ad71c701231b8d815a7ccc853
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index b732c8280fc1..35e7cd2d7755 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -136,6 +136,7 @@ config ARM64
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
 	select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
 	select HAVE_ARCH_KASAN_SW_TAGS if (HAVE_ARCH_KASAN && !ARM64_MTE)
+	select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
 	select HAVE_ARCH_KFENCE
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_MMAP_RND_BITS
-- 
2.29.2.299.gdc1121823c-goog