On 10/20/2015 08:29 PM, Steven Rostedt wrote:
Also, doesn't RCU need to have a few ticks go by before it can safely disable itself from userspace? I recall something like that. Paul?
The current patch series supports that by testing tick_nohz_tick_stopped(), which internally only becomes true after tick_nohz_stop_sched_tick() manages to stop the tick, and it won't if rcu_needs_cpu() is true. -- Chris Metcalf, EZChip Semiconductor http://www.ezchip.com -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
