Message ID | 20240507093530.3043-47-urezki@gmail.com (mailing list archive) |
---|---|
State | Mainlined |
Commit | 668c0406d887467d53f8fe79261dda1d22d5b671 |
Headers | show
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[185.121.47.193]) by smtp.gmail.com with ESMTPSA id t18-20020a2e9d12000000b002e29c50c4dcsm1335473lji.27.2024.05.07.02.36.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 May 2024 02:36:17 -0700 (PDT) From: "Uladzislau Rezki (Sony)" <urezki@gmail.com> To: "Paul E . McKenney" <paulmck@kernel.org> Cc: RCU <rcu@vger.kernel.org>, Neeraj upadhyay <Neeraj.Upadhyay@amd.com>, Boqun Feng <boqun.feng@gmail.com>, Hillf Danton <hdanton@sina.com>, Joel Fernandes <joel@joelfernandes.org>, LKML <linux-kernel@vger.kernel.org>, Uladzislau Rezki <urezki@gmail.com>, Oleksiy Avramchenko <oleksiy.avramchenko@sony.com>, Frederic Weisbecker <frederic@kernel.org>, Zqiang <qiang.zhang1211@gmail.com> Subject: [PATCH 46/48] rcutorture: Fix invalid context warning when enable srcu barrier testing Date: Tue, 7 May 2024 11:35:28 +0200 Message-Id: <20240507093530.3043-47-urezki@gmail.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240507093530.3043-1-urezki@gmail.com> References: <20240507093530.3043-1-urezki@gmail.com> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: <rcu.vger.kernel.org> List-Subscribe: <mailto:rcu+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:rcu+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit |
Series |
RCU changes for v6.10
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expand
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diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index 456185d9e6c0..8654e99bd4a3 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -3044,11 +3044,12 @@ static void rcu_torture_barrier_cbf(struct rcu_head *rcu) } /* IPI handler to get callback posted on desired CPU, if online. */ -static void rcu_torture_barrier1cb(void *rcu_void) +static int rcu_torture_barrier1cb(void *rcu_void) { struct rcu_head *rhp = rcu_void; cur_ops->call(rhp, rcu_torture_barrier_cbf); + return 0; } /* kthread function to register callbacks used to test RCU barriers. */ @@ -3074,11 +3075,9 @@ static int rcu_torture_barrier_cbs(void *arg) * The above smp_load_acquire() ensures barrier_phase load * is ordered before the following ->call(). */ - if (smp_call_function_single(myid, rcu_torture_barrier1cb, - &rcu, 1)) { - // IPI failed, so use direct call from current CPU. + if (smp_call_on_cpu(myid, rcu_torture_barrier1cb, &rcu, 1)) cur_ops->call(&rcu, rcu_torture_barrier_cbf); - } + if (atomic_dec_and_test(&barrier_cbs_count)) wake_up(&barrier_wq); } while (!torture_must_stop());