linux-kernel - Re: [PATCH 1/2] selftests: arm64: tags

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Date: Mon, 1 Jul 2024 13:40:51 +0500
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Shuah Khan <shuah@...nel.org>, Kunwu Chan <chentao@...inos.cn>,
 Mark Brown <broonie@...nel.org>
Cc: Muhammad Usama Anjum <usama.anjum@...labora.com>, kernel@...labora.com,
 linux-arm-kernel@...ts.infradead.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] selftests: arm64: tags_test: conform test to TAP
 output

Soft reminder

On 6/2/24 6:24 PM, Muhammad Usama Anjum wrote:
> Conform the layout, informational and status messages to TAP. No
> functional change is intended other than the layout of output messages.
> 
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
> ---
>  tools/testing/selftests/arm64/tags/tags_test.c | 10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/testing/selftests/arm64/tags/tags_test.c b/tools/testing/selftests/arm64/tags/tags_test.c
> index 955f87c1170d7..8ae26e496c89c 100644
> --- a/tools/testing/selftests/arm64/tags/tags_test.c
> +++ b/tools/testing/selftests/arm64/tags/tags_test.c
> @@ -17,19 +17,21 @@ int main(void)
>  	static int tbi_enabled = 0;
>  	unsigned long tag = 0;
>  	struct utsname *ptr;
> -	int err;
> +
> +	ksft_print_header();
> +	ksft_set_plan(1);
>  
>  	if (prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0) == 0)
>  		tbi_enabled = 1;
>  	ptr = (struct utsname *)malloc(sizeof(*ptr));
>  	if (!ptr)
> -		ksft_exit_fail_msg("Failed to allocate utsname buffer\n");
> +		ksft_exit_fail_perror("Failed to allocate utsname buffer");
>  
>  	if (tbi_enabled)
>  		tag = 0x42;
>  	ptr = (struct utsname *)SET_TAG(ptr, tag);
> -	err = uname(ptr);
> +	ksft_test_result(!uname(ptr), "Syscall successful with tagged address\n");
>  	free(ptr);
>  
> -	return err;
> +	ksft_finished();
>  }

-- 
BR,
Muhammad Usama Anjum