I plan to push it to Linus tomorrow, I'd like to get some feedback by then though.

On 14/09/2022 16:43, Mickaël Salaün wrote:

I took the liberty to pushed it in -next with my tree: https://git.kernel.org/mic/c/a52540522c9541bfa3e499d2edba7bc0ca73a4ca

Please let me know when you can take it in your tree to include it in the next -rc.

Regards, Mickaël

On 12/09/2022 21:48, Mickaël Salaün wrote:

...

Shuah, could you please merge this patch (and the USERCFLAGS/USERLDFLAGS one if that's OK) to -next? This is fixing an issue in the current 6.0-rc5 .

Anders, can you please check that this fixes your issue? https://lore.kernel.org/r/CADYN=9JM1nnjC9LypHqrz7JJjbZLpm8rArDUy4zgYYrajErBn...

On 09/09/2022 12:34, Mickaël Salaün wrote:

...

These changes simplify the Makefile and handle these 5 ways to build Landlock tests:

• make -C tools/testing/selftests/landlock
• make -C tools/testing/selftests TARGETS=landlock gen_tar
• make TARGETS=landlock kselftest-gen_tar
• make TARGETS=landlock O=build kselftest-gen_tar
• make -C /tmp/linux TARGETS=landlock O=/tmp/build kselftest-gen_tar

This also makes $(KHDR_INCLUDES) available to other test collections when building in their directory.

Fixes: f1227dc7d041 ("selftests/landlock: fix broken include of linux/landlock.h") Fixes: 3bb267a36185 ("selftests: drop khdr make target") Cc: Anders Roxell anders.roxell@linaro.org Cc: Guillaume Tucker guillaume.tucker@collabora.com Cc: Mark Brown broonie@kernel.org Cc: Shuah Khan skhan@linuxfoundation.org Signed-off-by: Mickaël Salaün mic@digikod.net Link: https://lore.kernel.org/r/20220909103402.1501802-1-mic@digikod.net

---

tools/testing/selftests/landlock/Makefile | 19 ++++++++++---------
tools/testing/selftests/lib.mk            |  4 ++++
2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/landlock/Makefile b/tools/testing/selftests/landlock/Makefile index 02868ac3bc71..6632bfff486b 100644 --- a/tools/testing/selftests/landlock/Makefile +++ b/tools/testing/selftests/landlock/Makefile @@ -1,6 +1,11 @@ # SPDX-License-Identifier: GPL-2.0 +# +# First run: make -C ../../../.. headers_install CFLAGS += -Wall -O2 $(KHDR_INCLUDES) +LDLIBS += -lcap

+LOCAL_HDRS += common.h src_test := $(wildcard *_test.c) @@ -8,14 +13,10 @@ TEST_GEN_PROGS := $(src_test:.c=) TEST_GEN_PROGS_EXTENDED := true -OVERRIDE_TARGETS := 1 -top_srcdir := ../../../.. -include ../lib.mk

-khdr_dir = $(top_srcdir)/usr/include +# Static linking for short targets: +$(TEST_GEN_PROGS_EXTENDED): LDFLAGS += -static -$(OUTPUT)/true: true.c

• $(LINK.c) $< $(LDLIBS) -o $@ -static

+include ../lib.mk -$(OUTPUT)/%_test: %_test.c $(khdr_dir)/linux/landlock.h ../kselftest_harness.h common.h

• $(LINK.c) $< $(LDLIBS) -o $@ -lcap -I$(khdr_dir)

+# Static linking for targets with $(OUTPUT)/ prefix: +$(TEST_GEN_PROGS_EXTENDED): LDFLAGS += -static diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index d44c72b3abe3..9d4cb94cf437 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -42,6 +42,10 @@ endif selfdir = $(realpath $(dir $(filter %/lib.mk,$(MAKEFILE_LIST)))) top_srcdir = $(selfdir)/../../.. +ifeq ($(KHDR_INCLUDES),) +KHDR_INCLUDES := -isystem $(top_srcdir)/usr/include +endif

• # The following are built by lib.mk common compile rules. # TEST_CUSTOM_PROGS should be used by tests that require # custom build rule and prevent common build rule use.

base-commit: 7e18e42e4b280c85b76967a9106a13ca61c16179