Some systems might disable unloading a livepatch and when running tests on
them they fail like the following:
$ ./run_kselftest.sh -c livepatch
TAP version 13
1..8
# selftests: livepatch: test-livepatch.sh
# TEST: basic function patching ... not ok
#
# --- expected
# +++ result
# @@ -5,6 +5,7 @@ livepatch: 'test_klp_livepatch': starting
# livepatch: 'test_klp_livepatch': completing patching transition
# livepatch: 'test_klp_livepatch': patching complete
# % echo 0 > /sys/kernel/livepatch/test_klp_livepatch/enabled
# +livepatch: attempt to disable live patch test_klp_livepatch, setting
NO_SUPPORT taint flag
# livepatch: 'test_klp_livepatch': initializing unpatching transition
# livepatch: 'test_klp_livepatch': starting unpatching transition
# livepatch: 'test_klp_livepatch': completing unpatching transition
#
# ERROR: livepatch kselftest(s) failed
Cc: Marcos Paulo de Souza <mpdeso...@suse.com>
Signed-off-by: Ricardo B. Marlière <r...@suse.com>
---
tools/testing/selftests/livepatch/functions.sh | 1 +
1 file changed, 1 insertion(+)
diff --git a/tools/testing/selftests/livepatch/functions.sh
b/tools/testing/selftests/livepatch/functions.sh
index
46991a029f7c64ace3945727b3540521ffe2e529..13fc289962cdd77c9fc4eaf1ad336775d6db710d
100644
--- a/tools/testing/selftests/livepatch/functions.sh
+++ b/tools/testing/selftests/livepatch/functions.sh
@@ -321,6 +321,7 @@ function check_result {
result=$(dmesg | awk -v last_dmesg="$LAST_DMESG" 'p; $0 == last_dmesg {
p=1 }' | \
grep -e 'livepatch:' -e 'test_klp' | \
grep -v '\(tainting\|taints\) kernel' | \
+ grep -v 'setting NO_SUPPORT taint flag' | \
sed 's/^\[[ 0-9.]*\] //' | \
sed 's/^\[[ ]*[CT][0-9]*\] //')
---
base-commit: 8f5ae30d69d7543eee0d70083daf4de8fe15d585
change-id: 20250819-selftests-lp_taint_flag-c96f5b9b2ed9
Best regards,
--
Ricardo B. Marlière <r...@suse.com>
