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[79.176.44.197]) by smtp.gmail.com with ESMTPSA id w12sm5681957wre.57.2020.12.09.10.09.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Dec 2020 10:09:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607537391; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=QowV/giP343KnzfILfGamLCO9JCQa97xX2d65deKp4E=; b=F9Rp19SAMoXTNUm50xkFFFd2hRACdkLJP/rOZn+u/Aa8qyuatL8OEBa1jNaYLKaujERHv8 FX34Ur4HS2YISuuF7jft9K49q3fKH4KLyzTI8uMLNdzDTZk8prGFfE2jP+SO/bu5+e8Xl0 PWJpJHBVVKEtUrpyAUuWGmSuNcxtNZM= X-MC-Unique: UjOa8a6oMLaxDA2h_l9xDQ-1 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=QowV/giP343KnzfILfGamLCO9JCQa97xX2d65deKp4E=; b=Uo0JwRncE3lB/40gvQiLS7ID9bje9iG1PvVqC9x7EakZ2IZrk/ccjrd2hQNL2blodq w6OW58Ab8uosvlvzJOtlaQ0wU8Hr5SGDK5bdab63Cy8/rKKkJhxKPBYPpCjEivqVTW90 b67UWooRCSxrTvYrI1O5k1Rg6+0lhP0omeKal1yFPY+7MgdTyAxPAuykJZwAj0J/03x3 Fi0zj5sdd3zTvi8zIdfuE6vunbS+O9+xnQS/OlsoHLxzHi4W18Wage/AZqNgaVTfANdi HJezKXYmTwr3XvW2R3IQqUV4lbQ8WGYlmWB9x+KPRIDbcarpHmfHpCG7K4pDp0G5f1o8 NGNA== X-Gm-Message-State: AOAM533oWIvoCrKbt4JNRMDfCUo+0Cf4K8y26gx6gcGJi363tRmBUGm1 I7SrcS/k3gbfbu6oFEo2bagSBskkpYL+t522LTRCHX1q7IfuRQ4pwI2X+XPe3pqCQw9T0rOz1f5 MuYkO/hJtioy+2sN0H+zpU9YBSks1nRDC3Q8CMvDQPXtycMBJK61DMCqfskty X-Received: by 2002:adf:e5c7:: with SMTP id a7mr4088660wrn.300.1607537387105; Wed, 09 Dec 2020 10:09:47 -0800 (PST) X-Google-Smtp-Source: ABdhPJxqaYTgjwcEMZwVWzGT7ufVqJH5LjcJ8oxX/NZABA6E+PWZPHhO4KJZ1hi5FTmDwcum7c9CHg== X-Received: by 2002:adf:e5c7:: with SMTP id a7mr4088638wrn.300.1607537386888; Wed, 09 Dec 2020 10:09:46 -0800 (PST) Date: Wed, 9 Dec 2020 13:09:44 -0500 From: "Michael S. Tsirkin" To: qemu-devel@nongnu.org Subject: [PULL v2 41/65] failover: simplify failover_unplug_primary Message-ID: <20201209180546.721296-42-mst@redhat.com> References: <20201209180546.721296-1-mst@redhat.com> MIME-Version: 1.0 In-Reply-To: <20201209180546.721296-1-mst@redhat.com> X-Mailer: git-send-email 2.27.0.106.g8ac3dc51b1 X-Mutt-Fcc: =sent Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=mst@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Disposition: inline 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=216.205.24.124; envelope-from=mst@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=ham autolearn_force=no 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: Peter Maydell , Jason Wang , Juan Quintela 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 Content-Type: text/plain; charset="utf-8" From: Juan Quintela We can calculate device just once. Signed-off-by: Juan Quintela Message-Id: <20201118083748.1328-27-quintela@redhat.com> Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- hw/net/virtio-net.c | 25 ++++++++++--------------- 1 file changed, 10 insertions(+), 15 deletions(-) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index b37e9cd1d9..9203d81780 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3146,34 +3146,29 @@ out: return !err; } =20 -static void virtio_net_handle_migration_primary(VirtIONet *n, - MigrationState *s) +static void virtio_net_handle_migration_primary(VirtIONet *n, MigrationSta= te *s) { bool should_be_hidden; Error *err =3D NULL; + DeviceState *dev =3D failover_find_primary_device(n); + + if (!dev) { + return; + } =20 should_be_hidden =3D qatomic_read(&n->failover_primary_hidden); =20 - if (!n->primary_dev) { - n->primary_dev =3D failover_find_primary_device(n); - if (!n->primary_dev) { - return; - } - } - if (migration_in_setup(s) && !should_be_hidden) { - if (failover_unplug_primary(n, n->primary_dev)) { - vmstate_unregister(VMSTATE_IF(n->primary_dev), - qdev_get_vmsd(n->primary_dev), - n->primary_dev); - qapi_event_send_unplug_primary(n->primary_dev->id); + if (failover_unplug_primary(n, dev)) { + vmstate_unregister(VMSTATE_IF(dev), qdev_get_vmsd(dev), dev); + qapi_event_send_unplug_primary(dev->id); qatomic_set(&n->failover_primary_hidden, true); } else { warn_report("couldn't unplug primary device"); } } else if (migration_has_failed(s)) { /* We already unplugged the device let's plug it back */ - if (!failover_replug_primary(n, n->primary_dev, &err)) { + if (!failover_replug_primary(n, dev, &err)) { if (err) { error_report_err(err); } --=20 MST