From 82fcecfa81855924cc69f3078113cf63dd6c2964 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Mon, 2 Jul 2018 09:04:27 -0700 Subject: rcu: Update comments and help text for no more RCU-bh updaters This commit updates comments and help text to account for the fact that RCU-bh update-side functions are now simple wrappers for their RCU or RCU-sched counterparts. Signed-off-by: Paul E. McKenney --- kernel/rcu/Kconfig | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'kernel/rcu/Kconfig') diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig index 9210379c0353..a0b7f0103ca9 100644 --- a/kernel/rcu/Kconfig +++ b/kernel/rcu/Kconfig @@ -229,11 +229,11 @@ config RCU_NOCB_CPU CPUs specified at boot time by the rcu_nocbs parameter. For each such CPU, a kthread ("rcuox/N") will be created to invoke callbacks, where the "N" is the CPU being offloaded, - and where the "x" is "b" for RCU-bh, "p" for RCU-preempt, and - "s" for RCU-sched. Nothing prevents this kthread from running - on the specified CPUs, but (1) the kthreads may be preempted - between each callback, and (2) affinity or cgroups can be used - to force the kthreads to run on whatever set of CPUs is desired. + and where the "p" for RCU-preempt and "s" for RCU-sched. + Nothing prevents this kthread from running on the specified + CPUs, but (1) the kthreads may be preempted between each + callback, and (2) affinity or cgroups can be used to force + the kthreads to run on whatever set of CPUs is desired. Say Y here if you want to help to debug reduced OS jitter. Say N here if you are unsure. -- cgit v1.2.3