linux-kernel - [PATCH 07/13] RDMA/rxe: Rename kfree_rcu() to kfree_rcu

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Date:   Wed,  1 Feb 2023 16:08:13 +0100
From:   "Uladzislau Rezki (Sony)" <urezki@...il.com>
To:     LKML <linux-kernel@...r.kernel.org>, RCU <rcu@...r.kernel.org>,
        "Paul E . McKenney" <paulmck@...nel.org>
Cc:     Uladzislau Rezki <urezki@...il.com>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...y.com>,
        Jens Axboe <axboe@...nel.dk>,
        Philipp Reisner <philipp.reisner@...bit.com>,
        Bryan Tan <bryantan@...are.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Eric Dumazet <edumazet@...gle.com>,
        Bob Pearson <rpearsonhpe@...il.com>,
        Ariel Levkovich <lariel@...dia.com>,
        Theodore Ts'o <tytso@....edu>, Julian Anastasov <ja@....bg>,
        Jason Gunthorpe <jgg@...dia.com>
Subject: [PATCH 07/13] RDMA/rxe: Rename kfree_rcu() to kfree_rcu_mightsleep()

The kfree_rcu()'s single argument name is deprecated therefore
rename it to kfree_rcu_mightsleep() variant. The goal is explicitly
underline that it is for sleepable contexts.

Please check the RXE driver in a way that a single argument can
be used. Briefly looking at it and rcu_head should be embed to
free an obj over RCU-core. The context might be atomic.

Cc: Bob Pearson <rpearsonhpe@...il.com>
Cc: Jason Gunthorpe <jgg@...dia.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@...il.com>
---
 drivers/infiniband/sw/rxe/rxe_pool.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_pool.c b/drivers/infiniband/sw/rxe/rxe_pool.c
index f50620f5a0a1..e2fa061f19b3 100644
--- a/drivers/infiniband/sw/rxe/rxe_pool.c
+++ b/drivers/infiniband/sw/rxe/rxe_pool.c
@@ -276,7 +276,7 @@ int __rxe_cleanup(struct rxe_pool_elem *elem, bool sleepable)
 		pool->cleanup(elem);
 
 	if (pool->type == RXE_TYPE_MR)
-		kfree_rcu(elem->obj);
+		kfree_rcu_mightsleep(elem->obj);
 
 	atomic_dec(&pool->num_elem);
 
-- 
2.30.2