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rcu: Make rcu update module parameters world-readable 

rcu update module parameters currently don't appear in sysfs and this is
a serviceability issue as it might be needed to access their default
values at runtime.

Fix this issue by changing rcu update module parameters permissions to
world-readable.

Suggested-by: Paul E. McKenney <paulmck@kernel.org>
Signed-off-by: Juri Lelli <juri.lelli@redhat.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Juri Lelli 2021-08-10 10:48:16 +02:00 committed by Paul E. McKenney
parent ebb6d30d9e
commit 1eac0075eb
1 changed files with 3 additions and 3 deletions
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6
kernel/rcu/update.c
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@ -54,11 +54,11 @@
#define MODULE_PARAM_PREFIX "rcupdate."
#ifndef CONFIG_TINY_RCU
module_param(rcu_expedited, int, 0);
module_param(rcu_normal, int, 0);
module_param(rcu_expedited, int, 0444);
module_param(rcu_normal, int, 0444);
static int rcu_normal_after_boot = IS_ENABLED(CONFIG_PREEMPT_RT);
#if !defined(CONFIG_PREEMPT_RT) || defined(CONFIG_NO_HZ_FULL)
module_param(rcu_normal_after_boot, int, 0);
module_param(rcu_normal_after_boot, int, 0444);
#endif
#endif /* #ifndef CONFIG_TINY_RCU */