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authorPaul E. McKenney <paulmck@kernel.org>2022-05-11 11:49:35 -0700
committerPaul E. McKenney <paulmck@kernel.org>2022-05-11 11:49:35 -0700
commitce13389053a347aa9f8ffbfda2238352536e15c9 (patch)
tree1bdfa4c0aeb2038dcee1a7802d2d693359e8aeb4 /Documentation/admin-guide/kernel-parameters.txt
parentbe05ee54378d451e1d60196921566d6087f3079f (diff)
parent9621fbee44df940e2e1b94b0676460a538dffefa (diff)
downloadlinux-ce13389053a347aa9f8ffbfda2238352536e15c9.tar.bz2
Merge branch 'exp.2022.05.11a' into HEAD
exp.2022.05.11a: Expedited-grace-period latency-reduction updates.
Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt12
1 files changed, 12 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 82dd253e5dbd..f8d9af5d51e5 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4893,6 +4893,18 @@
rcupdate.rcu_cpu_stall_timeout= [KNL]
Set timeout for RCU CPU stall warning messages.
+ The value is in seconds and the maximum allowed
+ value is 300 seconds.
+
+ rcupdate.rcu_exp_cpu_stall_timeout= [KNL]
+ Set timeout for expedited RCU CPU stall warning
+ messages. The value is in milliseconds
+ and the maximum allowed value is 21000
+ milliseconds. Please note that this value is
+ adjusted to an arch timer tick resolution.
+ Setting this to zero causes the value from
+ rcupdate.rcu_cpu_stall_timeout to be used (after
+ conversion from seconds to milliseconds).
rcupdate.rcu_expedited= [KNL]
Use expedited grace-period primitives, for