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[35.188.239.129]) by smtp.gmail.com with ESMTPSA id v125-20020a379383000000b007458ae32290sm4113974qkd.128.2023.03.15.11.19.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Mar 2023 11:19:32 -0700 (PDT) From: "Joel Fernandes (Google)" To: Davidlohr Bueso , "Paul E. McKenney" , Josh Triplett , Frederic Weisbecker , Neeraj Upadhyay , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Joel Fernandes Cc: "Uladzislau Rezki (Sony)" , linux-kernel@vger.kernel.org, rcu@vger.kernel.org Subject: [PATCH v2 08/14] rcuscale: Rename kfree_rcu() to kfree_rcu_mightsleep() Date: Wed, 15 Mar 2023 18:18:55 +0000 Message-Id: <20230315181902.4177819-8-joel@joelfernandes.org> X-Mailer: git-send-email 2.40.0.rc1.284.g88254d51c5-goog In-Reply-To: <20230315181902.4177819-1-joel@joelfernandes.org> References: <20230315181902.4177819-1-joel@joelfernandes.org> MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1760459090814078056?= X-GMAIL-MSGID: =?utf-8?q?1760459090814078056?= From: "Uladzislau Rezki (Sony)" The kfree_rcu() and kvfree_rcu() macros' single-argument forms are deprecated. Therefore switch to the new kfree_rcu_mightsleep() and kvfree_rcu_mightsleep() variants. The goal is to avoid accidental use of the single-argument forms, which can introduce functionality bugs in atomic contexts and latency bugs in non-atomic contexts. Signed-off-by: Uladzislau Rezki (Sony) Signed-off-by: Paul E. McKenney Signed-off-by: Joel Fernandes (Google) --- kernel/rcu/rcuscale.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/rcuscale.c b/kernel/rcu/rcuscale.c index 91fb5905a008..98b75995b680 100644 --- a/kernel/rcu/rcuscale.c +++ b/kernel/rcu/rcuscale.c @@ -716,7 +716,7 @@ kfree_scale_thread(void *arg) // is tested. if ((kfree_rcu_test_single && !kfree_rcu_test_double) || (kfree_rcu_test_both && torture_random(&tr) & 0x800)) - kfree_rcu(alloc_ptr); + kfree_rcu_mightsleep(alloc_ptr); else kfree_rcu(alloc_ptr, rh); }