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Date: Tue, 2 Feb 2021 15:43:27 +0000
From: Catalin Marinas <catalin.marinas@....com>
To: Andrey Konovalov <andreyknvl@...gle.com>
Cc: Vincenzo Frascino <vincenzo.frascino@....com>,
Dmitry Vyukov <dvyukov@...gle.com>,
Alexander Potapenko <glider@...gle.com>,
Marco Elver <elver@...gle.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Will Deacon <will.deacon@....com>,
Andrey Ryabinin <aryabinin@...tuozzo.com>,
Peter Collingbourne <pcc@...gle.com>,
Evgenii Stepanov <eugenis@...gle.com>,
Branislav Rankov <Branislav.Rankov@....com>,
Kevin Brodsky <kevin.brodsky@....com>,
kasan-dev@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 12/12] arm64: kasan: export MTE symbols for KASAN tests
On Mon, Feb 01, 2021 at 08:43:36PM +0100, Andrey Konovalov wrote:
> Export mte_enable_kernel() and mte_set_report_once() to fix:
>
> ERROR: modpost: "mte_enable_kernel" [lib/test_kasan.ko] undefined!
> ERROR: modpost: "mte_set_report_once" [lib/test_kasan.ko] undefined!
>
> Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
> ---
> arch/arm64/kernel/mte.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/kernel/mte.c b/arch/arm64/kernel/mte.c
> index 8b27b70e1aac..2c91bd288ea4 100644
> --- a/arch/arm64/kernel/mte.c
> +++ b/arch/arm64/kernel/mte.c
> @@ -120,6 +120,7 @@ void mte_enable_kernel_sync(void)
> {
> __mte_enable_kernel("synchronous", SCTLR_ELx_TCF_SYNC);
> }
> +EXPORT_SYMBOL(mte_enable_kernel_sync);
>
> void mte_enable_kernel_async(void)
> {
> @@ -130,6 +131,7 @@ void mte_set_report_once(bool state)
> {
> WRITE_ONCE(report_fault_once, state);
> }
> +EXPORT_SYMBOL(mte_set_report_once);
With EXPORT_SYMBOL_GPL:
Acked-by: Catalin Marinas <catalin.marinas@....com>
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