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: <20210130165225.54047-1-vincenzo.frascino@arm.com> <20210130165225.54047-3-vincenzo.frascino@arm.com>
In-Reply-To: <20210130165225.54047-3-vincenzo.frascino@arm.com>
From:   Andrey Konovalov <andreyknvl@google.com>
Date:   Mon, 1 Feb 2021 21:04:25 +0100
Message-ID: <CAAeHK+y=t4c5FfVx3r3Rvwg3GTYN_q1xme=mwk51hgQfJX9MZw@mail.gmail.com>
Subject: Re: [PATCH v11 2/5] kasan: Add KASAN mode kernel parameter
To:     Vincenzo Frascino <vincenzo.frascino@arm.com>
Cc:     Linux ARM <linux-arm-kernel@lists.infradead.org>,
        LKML <linux-kernel@vger.kernel.org>,
        kasan-dev <kasan-dev@googlegroups.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>,
        Dmitry Vyukov <dvyukov@google.com>,
        Andrey Ryabinin <aryabinin@virtuozzo.com>,
        Alexander Potapenko <glider@google.com>,
        Marco Elver <elver@google.com>,
        Evgenii Stepanov <eugenis@google.com>,
        Branislav Rankov <Branislav.Rankov@arm.com>
Content-Type: text/plain; charset="UTF-8"
Precedence: bulk

On Sat, Jan 30, 2021 at 5:52 PM Vincenzo Frascino
<vincenzo.frascino@arm.com> wrote:
>
> @@ -45,6 +52,9 @@ static enum kasan_arg_fault kasan_arg_fault __ro_after_init;
>  DEFINE_STATIC_KEY_FALSE(kasan_flag_enabled);
>  EXPORT_SYMBOL(kasan_flag_enabled);
>
> +/* Whether the asynchronous mode is enabled. */
> +bool kasan_flag_async __ro_after_init;

Just noticed that we need EXPORT_SYMBOL(kasan_flag_async) here.

There are also a few arm64 mte functions that need to be exported, but
I've addressed that myself here:

https://lore.kernel.org/linux-arm-kernel/cover.1612208222.git.andreyknvl@google.com/T/#m4746d3c410c3f6baddb726fc9ea9dd1496a4a788