iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
tools/testing/selftests/livepatch/functions.sh
View File

@ -34,6 +34,18 @@ function is_root() {
fi
}
# Check if we can compile the modules before loading them
function has_kdir() {
if [ -z "$KDIR" ]; then
KDIR="/lib/modules/$(uname -r)/build"
fi
if [ ! -d "$KDIR" ]; then
echo "skip all tests: KDIR ($KDIR) not available to compile modules."
exit $ksft_skip
fi
}
# die(msg) - game over, man
# msg - dying words
function die() {
@ -108,6 +120,7 @@ function cleanup() {
# the ftrace_enabled sysctl.
function setup_config() {
is_root
has_kdir
push_config
set_dynamic_debug
set_ftrace_enabled 1

6
tools/testing/selftests/livepatch/test_modules/Makefile
View File

@ -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