linux-kernel - Re: [PATCH 3/5] tools: selftests: riscv: Add missing include for vector test

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Date: Fri, 15 Dec 2023 23:38:53 +0800
From: Andy Chiu <andy.chiu@...ive.com>
To: Christoph Muellner <christoph.muellner@...ll.eu>
Cc: linux-riscv@...ts.infradead.org, linux-kselftest@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Palmer Dabbelt <palmer@...belt.com>, 
	Paul Walmsley <paul.walmsley@...ive.com>, Albert Ou <aou@...s.berkeley.edu>, 
	Shuah Khan <shuah@...nel.org>, Philipp Tomsich <philipp.tomsich@...ll.eu>, 
	Andrew Jones <ajones@...tanamicro.com>, Evan Green <evan@...osinc.com>, 
	Xiao Wang <xiao.w.wang@...el.com>, Alexandre Ghiti <alexghiti@...osinc.com>, 
	Björn Töpel <bjorn@...osinc.com>, 
	Charlie Jenkins <charlie@...osinc.com>
Subject: Re: [PATCH 3/5] tools: selftests: riscv: Add missing include for
 vector test

On Fri, Nov 24, 2023 at 2:58 AM Christoph Muellner
<christoph.muellner@...ll.eu> wrote:
>
> From: Christoph Müllner <christoph.muellner@...ll.eu>
>
> GCC raises the following warning:
>   warning: 'status' may be used uninitialized
> The warning comes from the fact, that the signature of waitpid() is
> unknown and therefore the initialization of GCC cannot be guessed.
> Let's add the relevant header to address this warning.
>
> Signed-off-by: Christoph Müllner <christoph.muellner@...ll.eu>

Reviewed-by: Andy Chiu <andy.chiu@...ive.com>


> ---
>  tools/testing/selftests/riscv/vector/vstate_exec_nolibc.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/tools/testing/selftests/riscv/vector/vstate_exec_nolibc.c b/tools/testing/selftests/riscv/vector/vstate_exec_nolibc.c
> index 2c0d2b1126c1..1f9969bed235 100644
> --- a/tools/testing/selftests/riscv/vector/vstate_exec_nolibc.c
> +++ b/tools/testing/selftests/riscv/vector/vstate_exec_nolibc.c
> @@ -1,4 +1,7 @@
>  // SPDX-License-Identifier: GPL-2.0-only
> +
> +#include <linux/wait.h>
> +
>  #define THIS_PROGRAM "./vstate_exec_nolibc"
>
>  int main(int argc, char **argv)
> --
> 2.41.0
>