From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7C55C43333 for ; Thu, 19 Mar 2020 00:12:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 74AE42076F for ; Thu, 19 Mar 2020 00:12:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584576731; bh=pQlQRjD4yimpnJzghi3drA3TOuaXMcXyU0xt0j/uKtk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=fbmEAtsXaL/G6qb53QtuZr6q4Mbv3CMJSBaclf8S5thA3OEcdjZYtLHHB0AK8zmUE 3bOkcOap6aCZFOihPsR4PHPZScsa61dWt7LiCGqW1OFSFfkHpEst1wpPCdOMMf3nK/ n23gcK1fk+YNPbTV6PKokXiEy1w/GGbH4ILGOtcw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727782AbgCSAMC (ORCPT ); Wed, 18 Mar 2020 20:12:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:37168 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727394AbgCSALE (ORCPT ); Wed, 18 Mar 2020 20:11:04 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2A1CF20775; Thu, 19 Mar 2020 00:11:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1584576664; bh=pQlQRjD4yimpnJzghi3drA3TOuaXMcXyU0xt0j/uKtk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nTJC+DPOnkmpanenNcq5wnjOumxNsKA1z9fGQc7z0VLxCHfNiNClYbL8BcmxrVgwf w+met3EHUE/5cZvbyqIzA+Io/+xVK4bRx3jaTtVRNgPWxaHbHsefbVqqHWiOk4/kgl ixknBZU/ekRoccb1n5e95br9+xR8T3J3NIc9+tN0= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, "Paul E. McKenney" Subject: [PATCH RFC v2 tip/core/rcu 07/22] rcutorture: Add a test for synchronize_rcu_mult() Date: Wed, 18 Mar 2020 17:10:45 -0700 Message-Id: <20200319001100.24917-7-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200319001024.GA28798@paulmck-ThinkPad-P72> References: <20200319001024.GA28798@paulmck-ThinkPad-P72> Sender: rcu-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org From: "Paul E. McKenney" This commit adds a crude test for synchronize_rcu_mult(). This is currently a smoke test rather than a high-quality stress test. Signed-off-by: Paul E. McKenney --- kernel/rcu/rcutorture.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index ada5b91..88631f5 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -20,7 +20,7 @@ #include #include #include -#include +#include #include #include #include @@ -666,6 +666,11 @@ static void rcu_tasks_torture_deferred_free(struct rcu_torture *p) call_rcu_tasks(&p->rtort_rcu, rcu_torture_cb); } +static void synchronize_rcu_mult_test(void) +{ + synchronize_rcu_mult(call_rcu_tasks, call_rcu); +} + static struct rcu_torture_ops tasks_ops = { .ttype = RCU_TASKS_FLAVOR, .init = rcu_sync_torture_init, @@ -675,7 +680,7 @@ static struct rcu_torture_ops tasks_ops = { .get_gp_seq = rcu_no_completed, .deferred_free = rcu_tasks_torture_deferred_free, .sync = synchronize_rcu_tasks, - .exp_sync = synchronize_rcu_tasks, + .exp_sync = synchronize_rcu_mult_test, .call = call_rcu_tasks, .cb_barrier = rcu_barrier_tasks, .fqs = NULL, -- 2.9.5