linux-kernel - Re: [PATCH] selftests/bpf: remove ARRAY

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Date:   Sat, 11 Dec 2021 17:53:37 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Shuah Khan <skhan@...uxfoundation.org>
Cc:     Shuah Khan <shuah@...nel.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Network Development <netdev@...r.kernel.org>,
        bpf <bpf@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] selftests/bpf: remove ARRAY_SIZE defines from tests

On Fri, Dec 10, 2021 at 9:34 AM Shuah Khan <skhan@...uxfoundation.org> wrote:
>
> ARRAY_SIZE is defined in multiple test files. Remove the definitions
> and include header file for the define instead.
>
> Remove ARRAY_SIZE define and add include bpf_util.h to bring in the
> define.
>
> Signed-off-by: Shuah Khan <skhan@...uxfoundation.org>
> ---
>  tools/testing/selftests/bpf/progs/netif_receive_skb.c | 5 +----
>  tools/testing/selftests/bpf/progs/profiler.inc.h      | 5 +----
>  tools/testing/selftests/bpf/progs/test_sysctl_loop1.c | 5 +----
>  tools/testing/selftests/bpf/progs/test_sysctl_loop2.c | 4 +---
>  tools/testing/selftests/bpf/progs/test_sysctl_prog.c  | 5 +----
>  5 files changed, 5 insertions(+), 19 deletions(-)
>
> diff --git a/tools/testing/selftests/bpf/progs/netif_receive_skb.c b/tools/testing/selftests/bpf/progs/netif_receive_skb.c
> index 1d8918dfbd3f..7a5ebd330689 100644
> --- a/tools/testing/selftests/bpf/progs/netif_receive_skb.c
> +++ b/tools/testing/selftests/bpf/progs/netif_receive_skb.c
> @@ -5,6 +5,7 @@
>  #include <bpf/bpf_helpers.h>
>  #include <bpf/bpf_tracing.h>
>  #include <bpf/bpf_core_read.h>
> +#include <bpf/bpf_util.h>

It doesn't look like you've built it.

progs/test_sysctl_prog.c:11:10: fatal error: 'bpf/bpf_util.h' file not found
#include <bpf/bpf_util.h>
         ^~~~~~~~~~~~~~~~
  CLNG-BPF [test_maps] socket_cookie_prog.o
progs/test_sysctl_loop2.c:11:10: fatal error: 'bpf/bpf_util.h' file not found
#include <bpf/bpf_util.h>
         ^~~~~~~~~~~~~~~~
1 error generated.
In file included from progs/profiler2.c:6:
progs/profiler.inc.h:7:10: fatal error: 'bpf/bpf_util.h' file not found
#include <bpf/bpf_util.h>
         ^~~~~~~~~~~~~~~~