Messages in this thread Patch in this message | | | From | "Paul E. McKenney" <> | Subject | [PATCH rcu 12/14] rcu: Make rcu update module parameters world-readable | Date | Wed, 15 Sep 2021 16:33:41 -0700 |
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From: Juri Lelli <juri.lelli@redhat.com>
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> --- kernel/rcu/update.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c index bd551134e2f4..94282dc12bab 100644 --- a/kernel/rcu/update.c +++ b/kernel/rcu/update.c @@ -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 */ -- 2.31.1.189.g2e36527f23
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