6.14-stable review patch. If anyone has any objections, please let me know.
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From: Li RongQing lirongqing@baidu.com
[ Upstream commit 1618f635bdf56f3ac158171114e9bf18db234cbf ]
The callback function of call_rcu() just calls kfree(), so use kfree_rcu() instead of call_rcu() + callback function.
Signed-off-by: Li RongQing lirongqing@baidu.com Reviewed-by: Lukasz Luba lukasz.luba@arm.com Link: https://patch.msgid.link/20250218082021.2766-1-lirongqing@baidu.com Signed-off-by: Rafael J. Wysocki rafael.j.wysocki@intel.com Stable-dep-of: 3ee7be9e10dd ("PM: EM: Address RCU-related sparse warnings") Signed-off-by: Sasha Levin sashal@kernel.org --- kernel/power/energy_model.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-)
diff --git a/kernel/power/energy_model.c b/kernel/power/energy_model.c index 3874f0e97651e..72655eff6fc52 100644 --- a/kernel/power/energy_model.c +++ b/kernel/power/energy_model.c @@ -161,14 +161,6 @@ static void em_debug_create_pd(struct device *dev) {} static void em_debug_remove_pd(struct device *dev) {} #endif
-static void em_destroy_table_rcu(struct rcu_head *rp) -{ - struct em_perf_table __rcu *table; - - table = container_of(rp, struct em_perf_table, rcu); - kfree(table); -} - static void em_release_table_kref(struct kref *kref) { struct em_perf_table __rcu *table; @@ -176,7 +168,7 @@ static void em_release_table_kref(struct kref *kref) /* It was the last owner of this table so we can free */ table = container_of(kref, struct em_perf_table, kref);
- call_rcu(&table->rcu, em_destroy_table_rcu); + kfree_rcu(table, rcu); }
/**