On Thu, 1 Nov 2018 13:21:12 +0100 (CET) Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > Mathieu, > > On Thu, 1 Nov 2018, Mathieu Desnoyers wrote: > > > It is encouraged to warn and return rather than use BUG_ON() when > > the condition can be recovered from in ways that are more graceful than > > halting the whole system. > > You're failing to desribe how that graceful recovery works. > I think the graceful recovery is to simply return: if (WARN_ON(cond)) return; is better than just BUG_ON(cond); As that's what Linus made pretty clear at the Maintainer's Summit. -- Steve