From nobody Thu Apr 3 11:39:08 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1741155282375885.1599838882057; Tue, 4 Mar 2025 22:14:42 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpi09-0000o5-Nh; Wed, 05 Mar 2025 01:13:05 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tpi06-0000mk-Kn for qemu-devel@nongnu.org; Wed, 05 Mar 2025 01:13:02 -0500 Received: from mail.loongson.cn ([114.242.206.163]) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tpi02-0004Fo-A0 for qemu-devel@nongnu.org; Wed, 05 Mar 2025 01:13:02 -0500 Received: from loongson.cn (unknown [10.2.5.213]) by gateway (Coremail) with SMTP id _____8Bx12ll68dnvd+KAA--.40809S3; Wed, 05 Mar 2025 14:12:53 +0800 (CST) Received: from localhost.localdomain (unknown [10.2.5.213]) by front1 (Coremail) with SMTP id qMiowMBx3MRi68dnfRQ3AA--.5679S5; Wed, 05 Mar 2025 14:12:53 +0800 (CST) From: Bibo Mao To: Stefan Hajnoczi Cc: qemu-devel@nongnu.org, Song Gao Subject: [PULL 03/15] hw/intc/loongarch_ipi: Notify ipi object when cpu is plugged Date: Wed, 5 Mar 2025 14:12:38 +0800 Message-Id: <20250305061250.1908444-4-maobibo@loongson.cn> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20250305061250.1908444-1-maobibo@loongson.cn> References: <20250305061250.1908444-1-maobibo@loongson.cn> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qMiowMBx3MRi68dnfRQ3AA--.5679S5 X-CM-SenderInfo: xpdruxter6z05rqj20fqof0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== 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=114.242.206.163; envelope-from=maobibo@loongson.cn; helo=mail.loongson.cn X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZM-MESSAGEID: 1741155283755019000 Content-Type: text/plain; charset="utf-8" Use hotplug_handler_plug() to nofity ipi object when cold-plug cpu is created, so that ipi can set and configure irq routing to new cpu. Signed-off-by: Bibo Mao --- hw/loongarch/virt.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c index 59533b058b..0629347da1 100644 --- a/hw/loongarch/virt.c +++ b/hw/loongarch/virt.c @@ -317,6 +317,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState= *lvms) MachineClass *mc =3D MACHINE_GET_CLASS(ms); const CPUArchIdList *possible_cpus; CPUState *cs; + Error *err =3D NULL; =20 /* cpu nodes */ possible_cpus =3D mc->possible_cpu_arch_ids(ms); @@ -326,9 +327,7 @@ static void virt_cpu_irq_init(LoongArchVirtMachineState= *lvms) continue; } =20 - /* connect ipi irq to cpu irq */ - qdev_connect_gpio_out(lvms->ipi, num, - qdev_get_gpio_in(DEVICE(cs), IRQ_IPI)); + hotplug_handler_plug(HOTPLUG_HANDLER(lvms->ipi), DEVICE(cs), &err); =20 /* * connect ext irq to the cpu irq --=20 2.43.5