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UPSTREAM: arm64: Kconfig: support CONFIG_KASAN_VMALLOC

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We can backed shadow memory in vmalloc area after vmalloc area
isn't populated at kasan_init(), thus make KASAN_VMALLOC selectable.

Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
Acked-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Andrey Konovalov <andreyknvl@gmail.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Link: https://lore.kernel.org/r/20210324040522.15548-4-lecopzer.chen@mediatek.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

Bug: 201711661
(cherry picked from commit 71b613fc0c)
Signed-off-by: Yee Lee <yee.lee@mediatek.com>
Change-Id: I48d473cadd54ec2c8d3f92fa3d88ff456b70afdc
This commit is contained in:
Lecopzer Chen 2021-03-24 12:05:20 +08:00 • committed by Suren Baghdasaryan
commit ef61240f62
1 changed files with 1 additions and 0 deletions
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arch/arm64/Kconfig
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@ -139,6 +139,7 @@ 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_KFENCE