linux-kernel - [PATCH v3 3/5] arm64: Kconfig: support CONFIG_KASAN

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Message-ID: <20210206083552.24394-4-lecopzer.chen@mediatek.com>
Date:   Sat, 6 Feb 2021 16:35:50 +0800
From:   Lecopzer Chen <lecopzer.chen@...iatek.com>
To:     <linux-kernel@...r.kernel.org>, <linux-mm@...ck.org>,
        <kasan-dev@...glegroups.com>,
        <linux-arm-kernel@...ts.infradead.org>, <will@...nel.org>
CC:     <dan.j.williams@...el.com>, <aryabinin@...tuozzo.com>,
        <glider@...gle.com>, <dvyukov@...gle.com>,
        <akpm@...ux-foundation.org>, <linux-mediatek@...ts.infradead.org>,
        <yj.chiang@...iatek.com>, <catalin.marinas@....com>,
        <ardb@...nel.org>, <andreyknvl@...gle.com>, <broonie@...nel.org>,
        <linux@...ck-us.net>, <rppt@...nel.org>,
        <tyhicks@...ux.microsoft.com>, <robin.murphy@....com>,
        <vincenzo.frascino@....com>, <gustavoars@...nel.org>,
        <lecopzer@...il.com>, Lecopzer Chen <lecopzer.chen@...iatek.com>
Subject: [PATCH v3 3/5] arm64: Kconfig: support CONFIG_KASAN_VMALLOC

Now we can backed shadow memory in vmalloc area,
thus make KASAN_VMALLOC selectable.

Signed-off-by: Lecopzer Chen <lecopzer.chen@...iatek.com>
---
 arch/arm64/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index f39568b28ec1..a8f5a9171a85 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -136,6 +136,7 @@ config ARM64
 	select HAVE_ARCH_JUMP_LABEL
 	select HAVE_ARCH_JUMP_LABEL_RELATIVE
 	select HAVE_ARCH_KASAN if !(ARM64_16K_PAGES && ARM64_VA_BITS_48)
+	select HAVE_ARCH_KASAN_VMALLOC if HAVE_ARCH_KASAN
 	select HAVE_ARCH_KASAN_SW_TAGS if HAVE_ARCH_KASAN
 	select HAVE_ARCH_KASAN_HW_TAGS if (HAVE_ARCH_KASAN && ARM64_MTE)
 	select HAVE_ARCH_KGDB
-- 
2.25.1