On Wed, 20 Jun 2018 08:56:58 -0700 "Paul E. McKenney" <paul...@linux.vnet.ibm.com> wrote:
> OK, so in theory this change is safe from a tracing perspective. But > it does add conditionals to a fastpath. Does it? I see it replacing two conditions from both rcu_irq_enter/exit() with a single one in rcu_nmi_enter/exit(). Sure it adds one to rcu_nmi_enter() but that's a far less fast path than rcu_irq_enter(), which this patch removes a conditional from. -- Steve
