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selftests: livepatch: Avoid running the tests if kernel-devel is missing

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By checking if KDIR is a valid directory we can safely skip the tests if
kernel-devel isn't installed (default value of KDIR), or if KDIR
variable passed doesn't exists.

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202402191417.XULH88Ct-lkp@intel.com/
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Marcos Paulo de Souza
2024-02-21 14:17:04 -03:00
committed by Shuah Khan
parent 8ab37b0d98
commit 54ee352679
2 changed files with 19 additions and 0 deletions
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tools/testing/selftests/livepatch/test_modules/Makefile
+6
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@@ -13,8 +13,14 @@ obj-m += test_klp_atomic_replace.o \
test_klp_shadow_vars.o \
test_klp_syscall.o
# Ensure that KDIR exists, otherwise skip the compilation
modules:
ifneq ("$(wildcard $(KDIR))", "")
$(Q)$(MAKE) -C $(KDIR) modules KBUILD_EXTMOD=$(TESTMODS_DIR)
endif
# Ensure that KDIR exists, otherwise skip the clean target
clean:
ifneq ("$(wildcard $(KDIR))", "")
$(Q)$(MAKE) -C $(KDIR) clean KBUILD_EXTMOD=$(TESTMODS_DIR)
endif