On 3/12/19 5:53 PM, Fenghua Yu wrote: > On Tue, Mar 12, 2019 at 04:48:09PM -0700, Dave Hansen wrote: >> On 3/12/19 4:00 PM, Fenghua Yu wrote: >>> The interface /sys/device/system/cpu/split_lock_detect is added >>> to allow user to control split lock detection and show current split >>> lock detection setting. >> Did I miss the Documentation/ for this new sysfs feature? > I don't have a doc for the interface. > > Should I create a new file in Documentation/ or can I add the interface > doc in an existing doc file? I'd suggest spending a few minutes familiarizing yourself with Documentation/. Maybe you can even grep for some other similar files in there and see if those are documented.