From:   "Uladzislau Rezki (Sony)" <urezki@gmail.com>
To:     LKML <linux-kernel@vger.kernel.org>, RCU <rcu@vger.kernel.org>,
        "Paul E . McKenney" <paulmck@kernel.org>
Cc:     Michal Hocko <mhocko@suse.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Daniel Axtens <dja@axtens.net>,
        Frederic Weisbecker <frederic@kernel.org>,
        Neeraj Upadhyay <neeraju@codeaurora.org>,
        Joel Fernandes <joel@joelfernandes.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        "Theodore Y . Ts'o" <tytso@mit.edu>,
        Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
        Uladzislau Rezki <urezki@gmail.com>,
        Oleksiy Avramchenko <oleksiy.avramchenko@sonymobile.com>,
        Jon Maloy <jmaloy@redhat.com>
Subject: [PATCH 6/9] net/tipc: Switch to kvfree_rcu() API
Date:   Wed, 24 Nov 2021 12:03:05 +0100
Message-Id: <20211124110308.2053-7-urezki@gmail.com>
In-Reply-To: <20211124110308.2053-1-urezki@gmail.com>
References: <20211124110308.2053-1-urezki@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Instead of invoking a synchronize_rcu() to free a pointer
after a grace period we can directly make use of new API
that does the same but in more efficient way.

CC: Jon Maloy <jmaloy@redhat.com>
Signed-off-by: Uladzislau Rezki (Sony) <urezki@gmail.com>
---
 net/tipc/crypto.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/net/tipc/crypto.c b/net/tipc/crypto.c
index b4d9419a015b..c2d16c40778d 100644
--- a/net/tipc/crypto.c
+++ b/net/tipc/crypto.c
@@ -2391,8 +2391,7 @@ static void tipc_crypto_work_rx(struct work_struct *work)
 			resched = true;
 			break;
 		default:
-			synchronize_rcu();
-			kfree(rx->skey);
+			kvfree_rcu(rx->skey);
 			rx->skey = NULL;
 			break;
 		}
-- 
2.30.2