On Tue, May 1, 2018 at 7:06 AM Steven Rostedt <rost...@goodmis.org> wrote:
> On Mon, 30 Apr 2018 18:42:01 -0700 > Joel Fernandes <joe...@google.com> wrote: > > In this series, we are making lockdep use an rcuidle tracepoint. For > > this reason we need a notrace variant of srcu_dereference since > > otherwise we get lockdep splats since lockdep hooks may not have run > > yet. This patch adds the needed variant. > This change log is rather confusing. Why would lockdep use an rcuidle > tracepoint? I think we need to explain more here. Patch 6/6 registers lockdep onto irq_disable and irq_enable tracepoints which use rcuidle: https://github.com/torvalds/linux/blob/master/kernel/trace/trace_irqsoff.c#L791 I can add more details to the change log about this. thanks, - Joel
