[PATCH 1/2] sched/topology: Annotate RCU pointers properly

From: Pierre Gondois
Date: Wed Jan 03 2024 - 07:59:37 EST


Cleanup RCU-related spare errors by annotating RCU pointers.

sched_domains_numa_distance:
error: incompatible types in comparison expression
(different address spaces):
int [noderef] __rcu *
int *

sched_domains_numa_masks:
error: incompatible types in comparison expression
(different address spaces):
struct cpumask **[noderef] __rcu *
struct cpumask ***

Signed-off-by: Pierre Gondois <pierre.gondois@xxxxxxx>
---
kernel/sched/topology.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 10d1391e7416..0342a4f41f09 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1542,8 +1542,8 @@ static int sched_domains_numa_levels;
static int sched_domains_curr_level;

int sched_max_numa_distance;
-static int *sched_domains_numa_distance;
-static struct cpumask ***sched_domains_numa_masks;
+static int __rcu *sched_domains_numa_distance;
+static struct cpumask ** __rcu *sched_domains_numa_masks;
#endif

/*
--
2.25.1