On Tue, Jun 23, 2020 at 05:00:31PM +0200, Ahmed S. Darwish wrote: > On Tue, Jun 23, 2020 at 10:36:52AM +0200, Peter Zijlstra wrote: > ... > > -#define lockdep_assert_irqs_disabled() do { \ > > - WARN_ONCE(debug_locks && !current->lockdep_recursion && \ > > - current->hardirqs_enabled, \ > > - "IRQs not disabled as expected\n"); \ > > - } while (0) > > +#define lockdep_assert_irqs_enabled() \ > > +do { \ > > + WARN_ON_ONCE(debug_locks && !this_cpu_read(hardirqs_enabled)); \ > > +} while (0) > > > > Can we add a small comment on top of lockdep_off(), stating that lockdep > IRQ tracking will still be kept after a lockdep_off call? That would only legitimize lockdep_off(). The only comment I want to put on that is: "if you use this, you're doing it wrong'.