Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
MIME-Version: 1.0
References: <20210103171137.153834-1-lecopzer@gmail.com> <20210103171137.153834-4-lecopzer@gmail.com>
In-Reply-To: <20210103171137.153834-4-lecopzer@gmail.com>
From:   Andrey Konovalov <andreyknvl@google.com>
Date:   Fri, 8 Jan 2021 19:29:35 +0100
Message-ID: <CAAeHK+wc-DU2pUma43JtomOSy0Z6smGKwQoG_R+uKzByu3oZ9w@mail.gmail.com>
Subject: Re: [PATCH 3/3] arm64: Kconfig: support CONFIG_KASAN_VMALLOC
To:     Lecopzer Chen <lecopzer@gmail.com>
Cc:     LKML <linux-kernel@vger.kernel.org>,
        Linux Memory Management List <linux-mm@kvack.org>,
        kasan-dev <kasan-dev@googlegroups.com>,
        Linux ARM <linux-arm-kernel@lists.infradead.org>,
        Dan Williams <dan.j.williams@intel.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        linux-mediatek@lists.infradead.org, yj.chiang@mediatek.com,
        Will Deacon <will@kernel.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Lecopzer Chen <lecopzer.chen@mediatek.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Sun, Jan 3, 2021 at 6:13 PM Lecopzer Chen <lecopzer@gmail.com> wrote:
>
> Now I have no device to test for HW_TAG, so keep it not selected
> until someone can test this.
>
> Signed-off-by: Lecopzer Chen <lecopzer.chen@mediatek.com>
> ---
>  arch/arm64/Kconfig | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
> index 05e17351e4f3..29ab35aab59e 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 && !KASAN_HW_TAGS)

KASAN_VMALLOC currently "depends on" KASAN_GENERIC. I think we should
either do "HAVE_ARCH_KASAN && KASAN_GENERIC" here as well, or just do
"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
>
> --
> You received this message because you are subscribed to the Google Groups "kasan-dev" group.
> To unsubscribe from this group and stop receiving emails from it, send an email to kasan-dev+unsubscribe@googlegroups.com.
> To view this discussion on the web visit https://groups.google.com/d/msgid/kasan-dev/20210103171137.153834-4-lecopzer%40gmail.com.