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Date: Tue, 10 Aug 2021 10:48:16 +0200 From: Juri Lelli <juri.lelli@...hat.com> To: paulmck@...nel.org, josh@...htriplett.org Cc: linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org, peterz@...radead.org, bigeasy@...utronix.de, tglx@...utronix.de, rostedt@...dmis.org, mathieu.desnoyers@...icios.com, jiangshanlai@...il.com, joel@...lfernandes.org, rcu@...r.kernel.org, Juri Lelli <juri.lelli@...hat.com> Subject: [PATCH v2 2/2] 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@...nel.org> Signed-off-by: Juri Lelli <juri.lelli@...hat.com> --- 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
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