On Mon, Aug 03, 2020 at 10:31:15PM +0800, Dongdong Yang wrote: > + /* > + * create a sched_usf in cpu_subsys: > + * /sys/devices/system/cpu/sched_usf/... I thought I asked you not to use a "raw" kobject, you are making this much harder than it has to be. Just use a normal struct device. Also you failed to document your new sysfs files in Documentation/ABI/ like is required :( Because of both of those things, this isn't ok as-is, sorry. greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel