On Tue, 2024-12-03 at 10:00 -0500, Joel Fernandes wrote: > > Also there is no guarantee that RCU callback will run within a thread > context (example, some configurations run it in softirq). Further, > call_rcu() usage as shown in this patch can also delay callback runs > by seconds (with RCU_LAZY enabled). > > See also #5 in checklist: https://docs.kernel.org/RCU/checklist.html > Thanks for the tips, I get the RCU callbacks are clearly not the right place where to put this function. I'm working on a V2 where the same tick is scheduling a new work_struct in the mm_struct instead, let's see where that brings. Thanks all for the constructive comments. Gabriele
