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b=V1OTmm2Xrtry+N9uq6jLP0qxEaBsdp1nQV0qk5PCiKlfwnVKyAdQr89j7zz5xY77I9IPiT tT/j8B+8kLv9Xl12W/7LWtKjMQm/LpE93BEDjPLoFuhpB2J0mRdnDGoVWBGn5vSmvH6/nV nbD533Ds4VvXMGqzh+pl+9DBkXRQNS0= X-MC-Unique: wd_tYdBsOnyTuWuVfAOU_A-1 From: Jason Wang To: peter.maydell@linaro.org, qemu-devel@nongnu.org Subject: [PULL V2 29/33] net/colo-compare.c: Correct ordering in complete and finalize Date: Thu, 18 Jun 2020 21:21:44 +0800 Message-Id: <1592486508-6135-30-git-send-email-jasowang@redhat.com> In-Reply-To: <1592486508-6135-1-git-send-email-jasowang@redhat.com> References: <1592486508-6135-1-git-send-email-jasowang@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.139.110.120; envelope-from=jasowang@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/18 01:21:16 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Zhang Chen , Jason Wang , Lukas Straub Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Lukas Straub In colo_compare_complete, insert CompareState into net_compares only after everything has been initialized. In colo_compare_finalize, remove CompareState from net_compares before anything is deinitialized. Signed-off-by: Lukas Straub Reviewed-by: Zhang Chen Signed-off-by: Zhang Chen Signed-off-by: Jason Wang --- net/colo-compare.c | 45 +++++++++++++++++++++++---------------------- 1 file changed, 23 insertions(+), 22 deletions(-) diff --git a/net/colo-compare.c b/net/colo-compare.c index c30dbfb..ed1f3d0 100644 --- a/net/colo-compare.c +++ b/net/colo-compare.c @@ -1283,15 +1283,6 @@ static void colo_compare_complete(UserCreatable *uc,= Error **errp) s->vnet_hdr); } =20 - qemu_mutex_lock(&colo_compare_mutex); - if (!colo_compare_active) { - qemu_mutex_init(&event_mtx); - qemu_cond_init(&event_complete_cond); - colo_compare_active =3D true; - } - QTAILQ_INSERT_TAIL(&net_compares, s, next); - qemu_mutex_unlock(&colo_compare_mutex); - s->out_sendco.s =3D s; s->out_sendco.chr =3D &s->chr_out; s->out_sendco.notify_remote_frame =3D false; @@ -1314,6 +1305,16 @@ static void colo_compare_complete(UserCreatable *uc,= Error **errp) connection_destroy); =20 colo_compare_iothread(s); + + qemu_mutex_lock(&colo_compare_mutex); + if (!colo_compare_active) { + qemu_mutex_init(&event_mtx); + qemu_cond_init(&event_complete_cond); + colo_compare_active =3D true; + } + QTAILQ_INSERT_TAIL(&net_compares, s, next); + qemu_mutex_unlock(&colo_compare_mutex); + return; } =20 @@ -1382,19 +1383,6 @@ static void colo_compare_finalize(Object *obj) CompareState *s =3D COLO_COMPARE(obj); CompareState *tmp =3D NULL; =20 - qemu_chr_fe_deinit(&s->chr_pri_in, false); - qemu_chr_fe_deinit(&s->chr_sec_in, false); - qemu_chr_fe_deinit(&s->chr_out, false); - if (s->notify_dev) { - qemu_chr_fe_deinit(&s->chr_notify_dev, false); - } - - if (s->iothread) { - colo_compare_timer_del(s); - } - - qemu_bh_delete(s->event_bh); - qemu_mutex_lock(&colo_compare_mutex); QTAILQ_FOREACH(tmp, &net_compares, next) { if (tmp =3D=3D s) { @@ -1409,6 +1397,19 @@ static void colo_compare_finalize(Object *obj) } qemu_mutex_unlock(&colo_compare_mutex); =20 + qemu_chr_fe_deinit(&s->chr_pri_in, false); + qemu_chr_fe_deinit(&s->chr_sec_in, false); + qemu_chr_fe_deinit(&s->chr_out, false); + if (s->notify_dev) { + qemu_chr_fe_deinit(&s->chr_notify_dev, false); + } + + if (s->iothread) { + colo_compare_timer_del(s); + } + + qemu_bh_delete(s->event_bh); + AioContext *ctx =3D iothread_get_aio_context(s->iothread); aio_context_acquire(ctx); AIO_WAIT_WHILE(ctx, !s->out_sendco.done); --=20 2.5.0