On Mon, Oct 07, 2024 at 10:11:39PM +0800, Wardenjohn wrote: > Add test case of stack_order sysfs interface of livepatch. > > Signed-off-by: Wardenjohn <zhangwarden@xxxxxxxxx> > --- > .../testing/selftests/livepatch/test-sysfs.sh | 24 +++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/tools/testing/selftests/livepatch/test-sysfs.sh b/tools/testing/selftests/livepatch/test-sysfs.sh > index 05a14f5a7bfb..81776749a4e3 100755 > --- a/tools/testing/selftests/livepatch/test-sysfs.sh > +++ b/tools/testing/selftests/livepatch/test-sysfs.sh > @@ -19,6 +19,7 @@ check_sysfs_rights "$MOD_LIVEPATCH" "enabled" "-rw-r--r--" > check_sysfs_value "$MOD_LIVEPATCH" "enabled" "1" > check_sysfs_rights "$MOD_LIVEPATCH" "force" "--w-------" > check_sysfs_rights "$MOD_LIVEPATCH" "replace" "-r--r--r--" > +check_sysfs_rights "$MOD_LIVEPATCH" "stack_order" "-r--r--r--" > check_sysfs_rights "$MOD_LIVEPATCH" "transition" "-r--r--r--" > check_sysfs_value "$MOD_LIVEPATCH" "transition" "0" > check_sysfs_rights "$MOD_LIVEPATCH" "vmlinux/patched" "-r--r--r--" > @@ -131,4 +132,27 @@ livepatch: '$MOD_LIVEPATCH': completing unpatching transition > livepatch: '$MOD_LIVEPATCH': unpatching complete > % rmmod $MOD_LIVEPATCH" > > +start_test "sysfs test stack_order read" > + > +load_lp $MOD_LIVEPATCH > + > +check_sysfs_rights "$MOD_LIVEPATCH" "stack_order" "-r--r--r--" > +check_sysfs_value "$MOD_LIVEPATCH" "stack_order" "1" At the very least this should load more than one module so it can verify the stack orders match the load order. -- Josh