From nobody Wed Nov 5 10:30:07 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1499359243812690.0982623053801; Thu, 6 Jul 2017 09:40:43 -0700 (PDT) Received: from localhost ([::1]:52389 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dT9pZ-0006DK-DH for importer@patchew.org; Thu, 06 Jul 2017 12:40:41 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33076) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dT9nf-0004nr-I1 for qemu-devel@nongnu.org; Thu, 06 Jul 2017 12:38:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dT9ne-00061Q-Mh for qemu-devel@nongnu.org; Thu, 06 Jul 2017 12:38:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60444) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dT9nc-0005z3-HZ; Thu, 06 Jul 2017 12:38:40 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 6940B83F3E; Thu, 6 Jul 2017 16:38:39 +0000 (UTC) Received: from donizetti.redhat.com (ovpn-117-229.ams2.redhat.com [10.36.117.229]) by smtp.corp.redhat.com (Postfix) with ESMTP id 1CDB853CD1; Thu, 6 Jul 2017 16:38:37 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 6940B83F3E Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx03.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=pbonzini@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 6940B83F3E From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Thu, 6 Jul 2017 18:38:20 +0200 Message-Id: <20170706163828.24082-4-pbonzini@redhat.com> In-Reply-To: <20170706163828.24082-1-pbonzini@redhat.com> References: <20170706163828.24082-1-pbonzini@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.27]); Thu, 06 Jul 2017 16:38:39 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 03/11] util: use RCU accessors for notifiers X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: famz@redhat.com, stefanha@redhat.com, qemu-block@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This provides more flexibility for its users. Signed-off-by: Paolo Bonzini --- util/notify.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/util/notify.c b/util/notify.c index 06de63a839..16fff8d07d 100644 --- a/util/notify.c +++ b/util/notify.c @@ -16,6 +16,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/notify.h" +#include "qemu/rcu_queue.h" =20 void notifier_list_init(NotifierList *list) { @@ -24,19 +25,19 @@ void notifier_list_init(NotifierList *list) =20 void notifier_list_add(NotifierList *list, Notifier *notifier) { - QLIST_INSERT_HEAD(&list->notifiers, notifier, node); + QLIST_INSERT_HEAD_RCU(&list->notifiers, notifier, node); } =20 void notifier_remove(Notifier *notifier) { - QLIST_REMOVE(notifier, node); + QLIST_REMOVE_RCU(notifier, node); } =20 void notifier_list_notify(NotifierList *list, void *data) { Notifier *notifier, *next; =20 - QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) { + QLIST_FOREACH_SAFE_RCU(notifier, &list->notifiers, node, next) { notifier->notify(notifier, data); } } @@ -49,12 +50,12 @@ void notifier_with_return_list_init(NotifierWithReturnL= ist *list) void notifier_with_return_list_add(NotifierWithReturnList *list, NotifierWithReturn *notifier) { - QLIST_INSERT_HEAD(&list->notifiers, notifier, node); + QLIST_INSERT_HEAD_RCU(&list->notifiers, notifier, node); } =20 void notifier_with_return_remove(NotifierWithReturn *notifier) { - QLIST_REMOVE(notifier, node); + QLIST_REMOVE_RCU(notifier, node); } =20 int notifier_with_return_list_notify(NotifierWithReturnList *list, void *d= ata) @@ -62,7 +63,7 @@ int notifier_with_return_list_notify(NotifierWithReturnLi= st *list, void *data) NotifierWithReturn *notifier, *next; int ret =3D 0; =20 - QLIST_FOREACH_SAFE(notifier, &list->notifiers, node, next) { + QLIST_FOREACH_SAFE_RCU(notifier, &list->notifiers, node, next) { ret =3D notifier->notify(notifier, data); if (ret !=3D 0) { break; --=20 2.13.0