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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 EB4FEC433F4 for ; Wed, 29 Aug 2018 22:43:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A8F5720644 for ; Wed, 29 Aug 2018 22:43:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A8F5720644 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.vnet.ibm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727432AbeH3Cm3 (ORCPT ); Wed, 29 Aug 2018 22:42:29 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:36152 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727516AbeH3CiG (ORCPT ); Wed, 29 Aug 2018 22:38:06 -0400 Received: from pps.filterd (m0098394.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.22/8.16.0.22) with SMTP id w7TMciLU108114 for ; Wed, 29 Aug 2018 18:39:03 -0400 Received: from e17.ny.us.ibm.com (e17.ny.us.ibm.com [129.33.205.207]) by mx0a-001b2d01.pphosted.com with ESMTP id 2m61rcwq3b-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Wed, 29 Aug 2018 18:39:02 -0400 Received: from localhost by e17.ny.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Wed, 29 Aug 2018 18:39:01 -0400 Received: from b01cxnp23034.gho.pok.ibm.com (9.57.198.29) by e17.ny.us.ibm.com (146.89.104.204) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 29 Aug 2018 18:38:57 -0400 Received: from b01ledav003.gho.pok.ibm.com (b01ledav003.gho.pok.ibm.com [9.57.199.108]) by b01cxnp23034.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id w7TMcurG27328690 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 29 Aug 2018 22:38:56 GMT Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 4797EB2076; Wed, 29 Aug 2018 18:37:52 -0400 (EDT) Received: from b01ledav003.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 26FC2B2065; Wed, 29 Aug 2018 18:37:52 -0400 (EDT) Received: from paulmck-ThinkPad-W541 (unknown [9.70.82.159]) by b01ledav003.gho.pok.ibm.com (Postfix) with ESMTP; Wed, 29 Aug 2018 18:37:52 -0400 (EDT) Received: by paulmck-ThinkPad-W541 (Postfix, from userid 1000) id 29E6816C91DB; Wed, 29 Aug 2018 15:38:56 -0700 (PDT) From: "Paul E. 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 20/52] rcu: Remove rsp parameter from note_gp_changes() Date: Wed, 29 Aug 2018 15:38:22 -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: 18082922-0040-0000-0000-00000467583E 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: 18082922-0041-0000-0000-0000086E7218 Message-Id: <20180829223854.4055-20-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 note_gp_changes(). Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.c | 6 +++--- kernel/rcu/tree_plugin.h | 2 +- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 4dd9d68af702..752cd23860ed 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -1800,7 +1800,7 @@ static bool __note_gp_changes(struct rcu_node *rnp, struct rcu_data *rdp) return ret; } -static void note_gp_changes(struct rcu_state *rsp, struct rcu_data *rdp) +static void note_gp_changes(struct rcu_data *rdp) { unsigned long flags; bool needwake; @@ -2374,7 +2374,7 @@ static void rcu_check_quiescent_state(struct rcu_state *rsp, struct rcu_data *rdp) { /* Check for grace-period ends and beginnings. */ - note_gp_changes(rsp, rdp); + note_gp_changes(rdp); /* * Does this CPU still need to do its part for current grace period? @@ -2839,7 +2839,7 @@ static void __call_rcu_core(struct rcu_state *rsp, struct rcu_data *rdp, rdp->qlen_last_fqs_check + qhimark)) { /* Are we ignoring a completed grace period? */ - note_gp_changes(rsp, rdp); + note_gp_changes(rdp); /* Start a new grace period if one not already started. */ if (!rcu_gp_in_progress()) { diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index 0c59c3987c60..82f10a6bf266 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1586,7 +1586,7 @@ static bool __maybe_unused rcu_try_advance_all_cbs(void) rcu_seq_current(&rnp->gp_seq)) || unlikely(READ_ONCE(rdp->gpwrap))) && rcu_segcblist_pend_cbs(&rdp->cblist)) - note_gp_changes(rsp, rdp); + note_gp_changes(rdp); if (rcu_segcblist_ready_cbs(&rdp->cblist)) cbs_ready = true; -- 2.17.1