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Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 9 |
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 |