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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 tip/core/rcu 23/52] rcu: Remove rsp parameter from rcu_check_quiescent_state() Date: Wed, 29 Aug 2018 15:38:25 -0700 X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180829223830.GA1800@linux.vnet.ibm.com> References: <20180829223830.GA1800@linux.vnet.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 18082922-0068-0000-0000-00000331B951 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00009636; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000266; SDB=6.01080744; UDB=6.00557497; IPR=6.00860730; MB=3.00023002; MTD=3.00000008; XFM=3.00000015; UTC=2018-08-29 22:39:00 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 18082922-0069-0000-0000-0000458F1614 Message-Id: <20180829223854.4055-23-paulmck@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2018-08-29_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=8.0.1-1807170000 definitions=main-1808290220 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There now is only one rcu_state structure in a given build of the Linux kernel, so there is no need to pass it as a parameter to RCU's functions. This commit therefore removes the rsp parameter from rcu_check_quiescent_state(). Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index b2d79570c70f..c7e58f6ac666 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -2374,7 +2374,7 @@ rcu_report_qs_rdp(int cpu, struct rcu_data *rdp) * quiescent state for this grace period, and record that fact if so. */ static void -rcu_check_quiescent_state(struct rcu_state *rsp, struct rcu_data *rdp) +rcu_check_quiescent_state(struct rcu_data *rdp) { /* Check for grace-period ends and beginnings. */ note_gp_changes(rdp); @@ -2752,7 +2752,7 @@ __rcu_process_callbacks(struct rcu_state *rsp) resched_cpu(rdp->cpu); /* Provoke future context switch. */ /* Update RCU state based on any recent quiescent states. */ - rcu_check_quiescent_state(rsp, rdp); + rcu_check_quiescent_state(rdp); /* No grace period and unregistered callbacks? */ if (!rcu_gp_in_progress() && -- 2.17.1