2020-11-10 22:15:45

by Andrey Konovalov

Subject: [PATCH v9 42/44] kasan, arm64: enable CONFIG_KASAN_HW_TAGS

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

Signed-off-by: Andrey Konovalov <[email protected]>
Signed-off-by: Vincenzo Frascino <[email protected]>
Acked-by: Catalin Marinas <[email protected]>
---
Change-Id: I6eb1eea770e6b61ad71c701231b8d815a7ccc853
---
arch/arm64/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 456741645f01..c35e73efd407 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -135,6 +135,7 @@ 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_KGDB
select HAVE_ARCH_MMAP_RND_BITS
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
--
2.29.2.222.g5d2a92d10f8-goog

2020-11-11 16:53:36

by Alexander Potapenko

Subject: Re: [PATCH v9 42/44] kasan, arm64: enable CONFIG_KASAN_HW_TAGS

On Tue, Nov 10, 2020 at 11:12 PM Andrey Konovalov <[email protected]> wrote:
>
> Hardware tag-based KASAN is now ready, enable the configuration option.
>
> Signed-off-by: Andrey Konovalov <[email protected]>
> Signed-off-by: Vincenzo Frascino <[email protected]>
> Acked-by: Catalin Marinas <[email protected]>
Reviewed-by: Alexander Potapenko <[email protected]>

> ---
> Change-Id: I6eb1eea770e6b61ad71c701231b8d815a7ccc853
> ---
> arch/arm64/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 456741645f01..c35e73efd407 100644
> --- a/arch/arm64/Kconfig
> +++ b/arch/arm64/Kconfig
> @@ -135,6 +135,7 @@ 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_KGDB
> select HAVE_ARCH_MMAP_RND_BITS
> select HAVE_ARCH_MMAP_RND_COMPAT_BITS if COMPAT
> --
> 2.29.2.222.g5d2a92d10f8-goog
>


--
Alexander Potapenko
Software Engineer

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