static inline void rcu_enter_nohz(void)
{
+ smp_mb(); /* CPUs seeing ++ must see prior RCU read-side crit sects */
__get_cpu_var(dynticks_progress_counter)++;
WARN_ON(__get_cpu_var(dynticks_progress_counter) & 0x1);
- mb();
}
static inline void rcu_exit_nohz(void)
{
- mb();
__get_cpu_var(dynticks_progress_counter)++;
+ smp_mb(); /* CPUs seeing ++ must see later RCU read-side crit sects */
WARN_ON(!(__get_cpu_var(dynticks_progress_counter) & 0x1));
}