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McKenney" To: linux-kernel@vger.kernel.org Cc: 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 tip/core/rcu 2/2] rcutorture: Handle extended "rcu" read-side critical sections Date: Wed, 27 Jun 2018 13:49:15 -0700 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180627204835.GA25456@linux.vnet.ibm.com> References: <20180627204835.GA25456@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18062720-0060-0000-0000-000002836A8C X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009265; HX=3.00000241; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01053221; UDB=6.00540000; IPR=6.00831146; MB=3.00021889; MTD=3.00000008; XFM=3.00000015; UTC=2018-06-27 20:47:18 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18062720-0061-0000-0000-00004598D993 Message-Id: <20180627204915.27253-2-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-06-27_06:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1806210000 definitions=main-1806270218 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit makes the "rcu" torture type test extended read-side critical sections in order to test the deferral of RCU-preempt quiescent-state testing. In CONFIG_PREEMPT=n kernels, this simply duplicates the setup already in place for the "sched" torture type. Signed-off-by: Paul E. McKenney --- kernel/rcu/rcutorture.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index c596c6f1e457..c55d1483886e 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -431,6 +431,7 @@ static struct rcu_torture_ops rcu_ops = { .stats = NULL, .irq_capable = 1, .can_boost = rcu_can_boost(), + .extendables = RCUTORTURE_MAX_EXTEND, .name = "rcu" }; -- 2.17.1