> Did you by any chance use an automated tool of any sort to find this issue or > generate the fix? > > I don't think this is actually necessary here, you're in the same context as > the > updater of the stats, you don't need any protection. > You can remove u64_stats_update_begin() / end() (in net-next, there's no bug). > > I won't comment on implications of calling dim_update_sample() in a loop. > > Please make sure you answer my "did you use a tool" question, I'm really > curious.
I have no tool, I find this when I investigating a DIM related issue. Thanks
