The kernel is in lockdown mode when secureboot is enabled and hence debugfs cannot be used. Add support for this and other general cases where debugfs cannot be read and communicate the same to the user before running tests.
Signed-off-by: Gautam gautammenghani201@gmail.com --- Changes in v2: 1. Modify the error message to account for general cases. 2. Change the return code so that the test is skipped.
tools/testing/selftests/damon/_chk_dependency.sh | 10 ++++++++++ 1 file changed, 10 insertions(+) mode change 100644 => 100755 tools/testing/selftests/damon/_chk_dependency.sh
diff --git a/tools/testing/selftests/damon/_chk_dependency.sh b/tools/testing/selftests/damon/_chk_dependency.sh old mode 100644 new mode 100755 index 0189db81550b..aae7ff8c2080 --- a/tools/testing/selftests/damon/_chk_dependency.sh +++ b/tools/testing/selftests/damon/_chk_dependency.sh @@ -26,3 +26,13 @@ do exit 1 fi done + +secureboot_error="Operation not permitted" +for f in attrs target_ids monitor_on +do + status=$( cat "$DBGFS/$f" 2>&1 ) + if [ "${status#*$secureboot_error}" != "$status" ]; then + echo "Permission for reading $DBGFS/$f denied; maybe secureboot enabled?" + exit $ksft_skip + fi +done