From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 454B73264D4; Sat, 12 Sep 2026 14:10:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789222235; cv=none; b=uoeXc0qxAlwgQ3e67T3fehdaozTOVW4NG9wLYvHFmIZKuG04LtqpkwPqbB0CZnEKSw8AhwnAJr3s77XUDrJ7xpOapgZjUBzYifaNgTmAVBVY8y8MRtFvHvdRfprdKvX6tVOYJWhAXUG33fqORg+k+iXe0twyQjlc1CWbKOAEdS0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789222235; c=relaxed/simple; bh=iY2pdX2mnu+3pUVcNVTTU0neL0mioxG2LqhtEZAjY1s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=GfJE+imeeG9UOShZIsD4ypCWBQhATPWMZfVuNOTc0QnkZvztKKQQFFqW/usfQKre7+ryymgvLe3IlOj4iLrYnHad0Vydt49G2uAX1XLnqiXqfm6zLPSyIgO8ygpevKF5eXevcU1YZUrPGqWxdfdIXd1XVknm1UfDJjue7UEMSiw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=FCos1EzX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="FCos1EzX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DBFA01F000FF; Sat, 12 Sep 2026 14:10:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789222234; bh=lH5rqlj0wdOcGJf+wjemNYBc2V6vQ64tLk+Itnu694c=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FCos1EzXlCT0Ew7saK/ZiEnuyfQ1oM3xO2kYWhli/AY+lyxS4vFF0XU/oRrffJO1d jKZRrT+EeBvBIqLj2ckK7/yPvZkTcxRW2ChPnrXHut0jVAd/GdQZGbw0s6aHACnmz3 jQ5JmbwZF5LFiQK8eQ95DRQbCHZIXZWoN779VrQI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jian Shen , Jijie Shao , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.6 0538/1424] net: hns3: dont auto enable misc vector Date: Sat, 12 Sep 2026 08:49:30 +0200 Message-ID: <20260912065619.348992341@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.279695368@linuxfoundation.org> References: <20260912065607.279695368@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jian Shen [ Upstream commit 98b1e3b27734139c76295754b6c317aa4df6d32e ] Currently, there is a time window between misc irq enabled and service task inited. If an interrupte is reported at this time, it will cause warning like below: [ 16.324639] Call trace: [ 16.324641] __queue_delayed_work+0xb8/0xe0 [ 16.324643] mod_delayed_work_on+0x78/0xd0 [ 16.324655] hclge_errhand_task_schedule+0x58/0x90 [hclge] [ 16.324662] hclge_misc_irq_handle+0x168/0x240 [hclge] [ 16.324666] __handle_irq_event_percpu+0x64/0x1e0 [ 16.324667] handle_irq_event+0x80/0x170 [ 16.324670] handle_fasteoi_edge_irq+0x110/0x2bc [ 16.324671] __handle_domain_irq+0x84/0xfc [ 16.324673] gic_handle_irq+0x88/0x2c0 [ 16.324674] el1_irq+0xb8/0x140 [ 16.324677] arch_cpu_idle+0x18/0x40 [ 16.324679] default_idle_call+0x5c/0x1bc [ 16.324682] cpuidle_idle_call+0x18c/0x1c4 [ 16.324684] do_idle+0x174/0x17c [ 16.324685] cpu_startup_entry+0x30/0x6c [ 16.324687] secondary_start_kernel+0x1a4/0x280 [ 16.324688] ---[ end trace 6aa0bff672a964aa ]--- So don't auto enable misc vector when request irq.. Fixes: 7be1b9f3e99f ("net: hns3: make hclge_service use delayed workqueue") Signed-off-by: Jian Shen Signed-off-by: Jijie Shao Link: https://patch.msgid.link/20250106143642.539698-5-shaojijie@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- .../net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 04c58928585ca..5c66eb21bb7ea 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -3713,7 +3714,7 @@ static int hclge_misc_irq_init(struct hclge_dev *hdev) snprintf(hdev->misc_vector.name, HNAE3_INT_NAME_LEN, "%s-misc-%s", HCLGE_NAME, pci_name(hdev->pdev)); ret = request_irq(hdev->misc_vector.vector_irq, hclge_misc_irq_handle, - 0, hdev->misc_vector.name, hdev); + IRQF_NO_AUTOEN, hdev->misc_vector.name, hdev); if (ret) { hclge_free_vector(hdev, 0); dev_err(&hdev->pdev->dev, "request misc irq(%d) fail\n", @@ -11815,9 +11816,6 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) hclge_init_rxd_adv_layout(hdev); - /* Enable MISC vector(vector0) */ - hclge_enable_vector(&hdev->misc_vector, true); - ret = hclge_init_wol(hdev); if (ret) dev_warn(&pdev->dev, @@ -11830,6 +11828,10 @@ static int hclge_init_ae_dev(struct hnae3_ae_dev *ae_dev) hclge_state_init(hdev); hdev->last_reset_time = jiffies; + /* Enable MISC vector(vector0) */ + enable_irq(hdev->misc_vector.vector_irq); + hclge_enable_vector(&hdev->misc_vector, true); + dev_info(&hdev->pdev->dev, "%s driver initialization finished.\n", HCLGE_DRIVER_NAME); @@ -12233,7 +12235,7 @@ static void hclge_uninit_ae_dev(struct hnae3_ae_dev *ae_dev) /* Disable MISC vector(vector0) */ hclge_enable_vector(&hdev->misc_vector, false); - synchronize_irq(hdev->misc_vector.vector_irq); + disable_irq(hdev->misc_vector.vector_irq); /* Disable all hw interrupts */ hclge_config_mac_tnl_int(hdev, false); -- 2.53.0