linux-kernel - Re: [PATCH v2 4/4] selftests: lib.mk: Simplify TEST_GEN_MODS

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Message-ID: <20240223223352.13784-1-mpdesouza@suse.com>
Date: Fri, 23 Feb 2024 19:33:51 -0300
From: Marcos Paulo de Souza <mpdesouza@...e.com>
To: Marcos Paulo de Souza <mpdesouza@...e.com>
Cc: Shuah Khan <shuah@...nel.org>,
	Josh Poimboeuf <jpoimboe@...nel.org>,
	Jiri Kosina <jikos@...nel.org>,
	Miroslav Benes <mbenes@...e.cz>,
	Petr Mladek <pmladek@...e.com>,
	Joe Lawrence <joe.lawrence@...hat.com>,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	live-patching@...r.kernel.org
Subject: Re: [PATCH v2 4/4] selftests: lib.mk: Simplify TEST_GEN_MODS_DIR handling

On Wed, 21 Feb 2024 14:17:06 -0300 Marcos Paulo de Souza <mpdesouza@...e.com> wrote:

Shuah, please skip this one. The simplification is not worthy if it causes a new
warning. This reply[1] explains what's going on.

Thanks in advance,
  Marcos

[1]: https://lore.kernel.org/linux-kselftest/20240223161244.17709-1-mpdesouza@suse.com/

> We don't need new targets only to run two make modules and make clean.
> We can test if TEST_GEN_MODS_DIR is specified, and then run the
> commands.
> 
> Signed-off-by: Marcos Paulo de Souza <mpdesouza@...e.com>
> ---
>  tools/testing/selftests/lib.mk | 16 +++++++---------
>  1 file changed, 7 insertions(+), 9 deletions(-)
> 
> diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk
> index 286ce0ee102b..eddcd4a849dc 100644
> --- a/tools/testing/selftests/lib.mk
> +++ b/tools/testing/selftests/lib.mk
> @@ -58,8 +58,9 @@ TEST_GEN_PROGS := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS))
>  TEST_GEN_PROGS_EXTENDED := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_PROGS_EXTENDED))
>  TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES))
>  
> -all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) \
> -	$(if $(TEST_GEN_MODS_DIR),gen_mods_dir)
> +all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES)
> +	$(if $(TEST_GEN_MODS_DIR), \
> +		$(Q)$(MAKE) -C $(TEST_GEN_MODS_DIR))
>  
>  define RUN_TESTS
>  	BASE_DIR="$(selfdir)";			\
> @@ -85,11 +86,6 @@ else
>  	@$(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_CUSTOM_PROGS) $(TEST_PROGS))
>  endif
>  
> -gen_mods_dir:
> -	$(Q)$(MAKE) -C $(TEST_GEN_MODS_DIR)
> -
> -clean_mods_dir:
> -	$(Q)$(MAKE) -C $(TEST_GEN_MODS_DIR) clean
>  
>  define INSTALL_SINGLE_RULE
>  	$(if $(INSTALL_LIST),@mkdir -p $(INSTALL_PATH))
> @@ -133,9 +129,11 @@ endif
>  
>  define CLEAN
>  	$(RM) -r $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) $(EXTRA_CLEAN)
> +	$(if $(TEST_GEN_MODS_DIR), \
> +		$(Q)$(MAKE) -C $(TEST_GEN_MODS_DIR) clean)
>  endef
>  
> -clean: $(if $(TEST_GEN_MODS_DIR),clean_mods_dir)
> +clean:
>  	$(CLEAN)
>  
>  # Enables to extend CFLAGS and LDFLAGS from command line, e.g.
> @@ -166,4 +164,4 @@ $(OUTPUT)/%:%.S
>  	$(LINK.S) $^ $(LDLIBS) -o $@
>  endif
>  
> -.PHONY: run_tests all clean install emit_tests gen_mods_dir clean_mods_dir
> +.PHONY: run_tests all clean install emit_tests
> 
> -- 
> 2.42.1