On Fri, 31 Mar 2023 08:33:24 +0200 Wolfram Sang wrote: > > Okay, core changes aside - does pm_runtime_put() imply an RCU sync? > > Otherwise your check in get_stats is racy... > > From some light research, I can't find a trace of RCU sync. Pity, I'll > need to move furhter investigation to later. I'll report back if I have > something, but it may take a while. Thanks for the help! If you don't want to spend too much time you can just call it yourself right? :) Put a synchronize_rcu() with a comment about concurrent stat reading after pdata->is_open = false; and that's it?
