netdev - Re: [PATCH bpf-next] selftests/bpf: make sure build-id is on

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Date:   Mon, 14 May 2018 17:37:46 -0700
From:   Y Song <ys114321@...il.com>
To:     Alexei Starovoitov <ast@...nel.org>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Daniel Borkmann <daniel@...earbox.net>, songliubraving@...com,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH bpf-next] selftests/bpf: make sure build-id is on

On Mon, May 14, 2018 at 5:11 PM, Alexei Starovoitov <ast@...nel.org> wrote:
> --build-id may not be a default linker config.
> Make sure it's used when linking urandom_read test program.
> Otherwise test_stacktrace_build_id[_nmi] tests will be failling.
>
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>

Tested and the change looks good.
Acked-by: Yonghong Song <yhs@...com>

> ---
>  tools/testing/selftests/bpf/Makefile | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
> index 438d4f93875b..133ebc68cbe4 100644
> --- a/tools/testing/selftests/bpf/Makefile
> +++ b/tools/testing/selftests/bpf/Makefile
> @@ -19,7 +19,7 @@ all: $(TEST_CUSTOM_PROGS)
>  $(TEST_CUSTOM_PROGS): urandom_read
>
>  urandom_read: urandom_read.c
> -       $(CC) -o $(TEST_CUSTOM_PROGS) -static $<
> +       $(CC) -o $(TEST_CUSTOM_PROGS) -static $< -Wl,--build-id
>
>  # Order correspond to 'make run_tests' order
>  TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test_progs \
> --
> 2.9.5
>