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Date: Fri, 28 Feb 2025 12:29:00 +0000
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Subject: Re: [PATCH v2 12/16] selftests: vDSO: parse_vdso: Use UAPI headers
 instead of libc headers
To: =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= <thomas.weissschuh@linutronix.de>,
 Kees Cook <kees@kernel.org>, Eric Biederman <ebiederm@xmission.com>,
 Shuah Khan <shuah@kernel.org>, Nathan Chancellor <nathan@kernel.org>,
 Nick Desaulniers <ndesaulniers@google.com>, Bill Wendling
 <morbo@google.com>, Justin Stitt <justinstitt@google.com>,
 Andy Lutomirski <luto@kernel.org>, Thomas Gleixner <tglx@linutronix.de>,
 Willy Tarreau <w@1wt.eu>, =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?=
 <linux@weissschuh.net>
Cc: "Jason A. Donenfeld" <Jason@zx2c4.com>,
 Christophe Leroy <christophe.leroy@csgroup.eu>, linux-mm@kvack.org,
 linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
 llvm@lists.linux.dev
References: <20250226-parse_vdso-nolibc-v2-0-28e14e031ed8@linutronix.de>
 <20250226-parse_vdso-nolibc-v2-12-28e14e031ed8@linutronix.de>
Content-Language: en-US
From: Vincenzo Frascino <vincenzo.frascino@arm.com>
In-Reply-To: <20250226-parse_vdso-nolibc-v2-12-28e14e031ed8@linutronix.de>
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On 26/02/2025 11:44, Thomas Weißschuh wrote:
> To allow the usage of parse_vdso.c together with a limited libc like
> nolibc, use the kernels own elf.h and auxvec.h headers.
> 
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>

Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>

> ---
>  tools/testing/selftests/vDSO/Makefile     | 3 +++
>  tools/testing/selftests/vDSO/parse_vdso.c | 3 ++-
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
> index 1cf14a8da43803249f72fe1b09689c8834806986..bc8ca186fb877dc11740c37f1e07e45e84c2ae92 100644
> --- a/tools/testing/selftests/vDSO/Makefile
> +++ b/tools/testing/selftests/vDSO/Makefile
> @@ -19,6 +19,9 @@ LDLIBS += -lgcc_s
>  endif
>  
>  include ../lib.mk
> +
> +CFLAGS += $(TOOLS_INCLUDES)
> +
>  $(OUTPUT)/vdso_test_gettimeofday: parse_vdso.c vdso_test_gettimeofday.c
>  $(OUTPUT)/vdso_test_getcpu: parse_vdso.c vdso_test_getcpu.c
>  $(OUTPUT)/vdso_test_abi: parse_vdso.c vdso_test_abi.c
> diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c
> index 3638fe605e80ca41b29d43c6ac452964eef35d56..200c534cc70e2c2381fce3be5c0ebe4cb5675e84 100644
> --- a/tools/testing/selftests/vDSO/parse_vdso.c
> +++ b/tools/testing/selftests/vDSO/parse_vdso.c
> @@ -19,7 +19,8 @@
>  #include <stdint.h>
>  #include <string.h>
>  #include <limits.h>
> -#include <elf.h>
> +#include <linux/auxvec.h>
> +#include <linux/elf.h>
>  
>  #include "parse_vdso.h"
>  
> 

-- 
Regards,
Vincenzo