Re: [PATCH bpf-next v5 10/17] selftests/bpf: Add a cpuv4 test runner for cpu=v4 testing

[Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx>]

On Thu, Jul 27, 2023 at 6:13 PM Yonghong Song <yonghong.song@xxxxxxxxx> wrote:
>
> -# Silence some warnings when compiled with clang
>  ifneq ($(LLVM),)
> +# Silence some warnings when compiled with clang
>  CFLAGS += -Wno-unused-command-line-argument
> +# Check whether cpu=v4 is supported or not by clang
> +ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),)
> +CLANG_CPUV4 := 1
> +endif
>  endif

Gating cpu=v4 testing by LLVM=1 is unnecessary.
The kernel can be built by GCC, but we should still build
test_progs-cpuv4 when clang supports it.

Please consider a follow up.

I've applied the set, since the rest looks great!