A driver can be loaded as a dynamic module or a built-in module. In commit 681a67288655 ("usertools: check if module is loaded before binding"), script only checks modules in /sys/module/.
However, for built-in kernel driver, it only shows up in /sys/module/, if it has a version or at least one parameter. So add check for modules in /lib/modules/$(uname -r)/modules.builtin. Thanks for Anatoly Burakov's advice. Signed-off-by: Yongxin Liu <yongxin....@windriver.com> --- v3: - Add built-in module list in loaded_modules for checking instead of removing error check. v2: - fix git commit description style in commit log - fix typo spelling --- usertools/dpdk-devbind.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/usertools/dpdk-devbind.py b/usertools/dpdk-devbind.py index 99112b7ab..5b34ccd2a 100755 --- a/usertools/dpdk-devbind.py +++ b/usertools/dpdk-devbind.py @@ -181,7 +181,13 @@ def module_is_loaded(module): loaded_modules = sysfs_mods - return module in sysfs_mods + # add built-in modules as loaded + builtin_mods = subprocess.check_output(["cat /lib/modules/$(uname -r)/modules.builtin"], shell=True).splitlines() + for mod in builtin_mods: + mod_name = os.path.basename(mod.decode("utf8")).split(".ko", 1) + loaded_modules.append(mod_name[0]) + + return module in loaded_modules def check_modules(): -- 2.14.4