linux-kernel - Re: [PATCH bpf-next] selftests/bpf: Include build flavors for install target

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Message-ID: <87ttsf18z2.fsf@all.your.base.are.belong.to.us>
Date:   Thu, 31 Aug 2023 18:18:25 +0200
From:   Björn Töpel <bjorn@...nel.org>
To:     Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        Mykola Lysenko <mykolal@...com>, bpf@...r.kernel.org
Cc:     Björn Töpel <bjorn@...osinc.com>,
        Alexei Starovoitov <ast@...nel.org>,
        linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH bpf-next] selftests/bpf: Include build flavors for
 install target

Daniel Borkmann <daniel@...earbox.net> writes:

> On 8/28/23 8:33 PM, Björn Töpel wrote:
>> From: Björn Töpel <bjorn@...osinc.com>
>> 
>> When using the "install" or targets depending on install,
>> e.g. "gen_tar", the BPF machine flavors weren't included.
>> 
>> A command like:
>>    | make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- O=/workspace/kbuild \
>>    |    HOSTCC=gcc FORMAT= SKIP_TARGETS="arm64 ia64 powerpc sparc64 x86 sgx" \
>>    |    -C tools/testing/selftests gen_tar
>> would not include bpf/no_alu32, bpf/cpuv4, or bpf/bpf-gcc.
>> 
>> Include the BPF machine flavors for "install" make target.
>> 
>> Signed-off-by: Björn Töpel <bjorn@...osinc.com>
>
> Looks good and BPF CI also seems to be fine with it, wrt INSTDIRS could we use
> a more appropriate location where we define it? Was thinking sth like:
>
> diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
> index 7c77a21c3371..8b724efb8b7f 100644
> --- a/tools/testing/selftests/bpf/Makefile
> +++ b/tools/testing/selftests/bpf/Makefile
> @@ -50,14 +50,17 @@ TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map test
>          test_cgroup_storage \
>          test_tcpnotify_user test_sysctl \
>          test_progs-no_alu32
> +TEST_INST_SUBDIRS := no_alu32
>
>   # Also test bpf-gcc, if present
>   ifneq ($(BPF_GCC),)
>   TEST_GEN_PROGS += test_progs-bpf_gcc
> +TEST_INST_SUBDIRS += bpf_gcc
>   endif
>
>   ifneq ($(CLANG_CPUV4),)
>   TEST_GEN_PROGS += test_progs-cpuv4
> +TEST_INST_SUBDIRS += cpuv4
>   endif
>
> [...]

Ok! I'll spin a v2!