WebThe rcu_sched_qs in the comments are called via rcu_note_context_switch from __schedule, which is the core function of the so-called scheduler2. rcu_sched_qs set the RCU's soft IRQ to run if there is a function to call back (3 if the rcu_qsctr_help returns 1 or … WebApr 9, 2024 · If your module uses call_rcu(), call_rcu_bh(), -and- 192 call_rcu_sched(), then you will need to invoke each of rcu_barrier(), 193 rcu_barrier_bh(), and rcu_barrier_sched(). 194 195 196 Implementing rcu_barrier() 197 198 Dipankar Sarma's implementation of rcu_barrier() makes use of the fact 199 that RCU callbacks are never reordered once …
rcu: Event-trace markers for computing RCU CPU utilization
WebDec 14, 2024 · S 11:23 0:00 [rcu_bh] root 6267 0.0 0.0 12944 1036 pts/0 S+ 14:36 0:00 grep --color=auto rcu I understand the concept behind RCU(Read, Copy, Update) I just some … WebJul 9, 2024 · The local_bh_disable-function changes per-cpu (in case of x86 and recent kernels) __preempt_count or current_thread_info()->preempt_count otherwise.. Anyway … cyp27a1 gene
[PATCH] rcupdate: move synchronize_sched() back to rcupdate.c …
Web*tip:core/rcu] rcu: Make rcu_read_lock_sched_held() take boot time into account 2010-02-25 22:06 ` [PATCH tip/core/rcu 2/2] rcu: make rcu_read_lock_sched_held() take boot time into account Paul E. McKenney @ 2010-02-26 9:29 ` tip-bot for Paul E. McKenney 0 siblings, 0 replies; 15+ messages in thread From: tip-bot for Paul E. McKenney @ 2010-02-26 9: ... WebTested with a trial patch. > > For now, we are only considering usages that don't have compound > nesting, for example ignore: kvfree_rcu( (rcu_head_obj), rcu_head_name). > This is sufficient as such usages are unlikely. > > Once all users are converted and we remove the old API, we can also revert this > checkpatch patch then. WebJun 2, 2011 · Linux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA bim models are described as