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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2018-07-02 09:04:27 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2018-08-30 16:02:42 -0700
commit82fcecfa81855924cc69f3078113cf63dd6c2964 (patch)
treed0265b21d92811b8ae717047264573049a3a7e74 /kernel/rcu/Kconfig
parent65cfe3583b612a22e12fba9a7bbd2d37ca5ad941 (diff)
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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 <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/Kconfig')
-rw-r--r--kernel/rcu/Kconfig10
1 files changed, 5 insertions, 5 deletions
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.