Re: [PATCH] selftests: livepatch: add test case of stack_order sysfs interface

From: Josh Poimboeuf
Date: Mon Oct 07 2024 - 13:39:15 EST


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