linux-kernel - Re: [PATCH 3/6] kselftest/arm64: Fix check_child

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Message-ID: <415f8728-8379-2094-4186-de7cf338c1e3@arm.com>
Date:   Tue, 27 Oct 2020 15:59:32 +0530
From:   Amit Kachhap <amit.kachhap@....com>
To:     Vincenzo Frascino <vincenzo.frascino@....com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Cc:     Shuah Khan <shuah@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Gabor Kertesz <gabor.kertesz@....com>
Subject: Re: [PATCH 3/6] kselftest/arm64: Fix check_child_memory test



On 10/26/20 5:42 PM, Vincenzo Frascino wrote:
> The check_child_memory test reports the error below because the test
> plan is not declared correctly:
> 
>    # Planned tests != run tests (0 != 12)
> 
> Fix the test adding the correct test plan declaration.

This change is required and got missed earlier.
Acked by: Amit Daniel Kachhap <amit.kachhap@....com>

> 
> Fixes: dfe537cf4718 ("kselftest/arm64: Check forked child mte memory accessibility")
> Cc: Shuah Khan <shuah@...nel.org>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will@...nel.org>
> Cc: Gabor Kertesz <gabor.kertesz@....com>
> Cc: Amit Daniel Kachhap <amit.kachhap@....com>
> Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
> ---
>   tools/testing/selftests/arm64/mte/check_child_memory.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/tools/testing/selftests/arm64/mte/check_child_memory.c b/tools/testing/selftests/arm64/mte/check_child_memory.c
> index 97bebdecd29e..43bd94f853ba 100644
> --- a/tools/testing/selftests/arm64/mte/check_child_memory.c
> +++ b/tools/testing/selftests/arm64/mte/check_child_memory.c
> @@ -163,6 +163,9 @@ int main(int argc, char *argv[])
>   	mte_register_signal(SIGSEGV, mte_default_handler);
>   	mte_register_signal(SIGBUS, mte_default_handler);
>   
> +	/* Set test plan */
> +	ksft_set_plan(12);
> +
>   	evaluate_test(check_child_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_PRIVATE),
>   		"Check child anonymous memory with private mapping, precise mode and mmap memory\n");
>   	evaluate_test(check_child_memory_mapping(USE_MMAP, MTE_SYNC_ERR, MAP_SHARED),
>