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authorPaul E. McKenney <paulmck@kernel.org>2020-09-03 09:47:42 -0700
committerPaul E. McKenney <paulmck@kernel.org>2020-09-03 09:47:42 -0700
commit7fbe67e46aab13f99d551ab04a1168a7d58cdae9 (patch)
tree8feb62912b645adcc5bccaadb0b81d0674430c3d /Documentation/admin-guide
parentf511ce1424e5f3c32619eb0258afa8abd38fe3cc (diff)
parentcfeac3977ab4b6222a01f79997739d2367a8cc94 (diff)
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Merge branch 'strictgp.2020.08.24a' into HEAD
strictgp.2020.08.24a: Strict grace periods for KASAN testing.
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index e2ed5a4bcbd4..7a23f5bb1426 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4152,6 +4152,15 @@
This wake_up() will be accompanied by a
WARN_ONCE() splat and an ftrace_dump().
+ rcutree.rcu_unlock_delay= [KNL]
+ In CONFIG_RCU_STRICT_GRACE_PERIOD=y kernels,
+ this specifies an rcu_read_unlock()-time delay
+ in microseconds. This defaults to zero.
+ Larger delays increase the probability of
+ catching RCU pointer leaks, that is, buggy use
+ of RCU-protected pointers after the relevant
+ rcu_read_unlock() has completed.
+
rcutree.sysrq_rcu= [KNL]
Commandeer a sysrq key to dump out Tree RCU's
rcu_node tree with an eye towards determining