[PATCH 2/2] selftests: Replace relative includes with non-relative for kselftest.h and kselftest_harness.h

[Wei Yang]

On Thu, Aug 28, 2025 at 03:10:16PM +0530, Bala-Vignesh-Reddy wrote:
>Hi Wei,
>
>Thanks for testing and for your feedback.
>
>Yeah, if you try to build inside a subdirectory, the top level
>export may not apply, so CFLAGS don't get updated, and even if
>they did, the path could be pointing to wrong location.
>
>As the docs recommend, building selftest using TARGETS,
>either from kernel source or "tools/testing/selftests/"
>works fine and doesn't fail.
>

But this breaks current behavior. There might be users for this form.

>If you really want to build from selftests/mm/ directory then
>defining KSFT_INCLUDES with a fallback in the Makefile will
>resolve it, but there is no need of it if we stick with "TARGETS=mm".
>

How about add this in local Makefile ?

For example:

diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile
index 810bd615b8c3..52f023071619 100644
--- a/tools/testing/selftests/mm/Makefile
+++ b/tools/testing/selftests/mm/Makefile
@@ -158,6 +158,10 @@ TEST_FILES += test_page_frag.sh
 # required by charge_reserved_hugetlb.sh
 TEST_FILES += write_hugetlb_memory.sh
 
+ifeq ($(KSFT_INCLUDES),)
+KSFT_INCLUDES := -I../
+endif
+
 include ../lib.mk
 
 $(TEST_GEN_PROGS): vm_util.c thp_settings.c
>Thanks
>Bala Vignesh

-- 
Wei Yang
Help you, Help me