Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S944299AbdDTKcI (ORCPT ); Thu, 20 Apr 2017 06:32:08 -0400 Received: from mx0b-0016f401.pphosted.com ([67.231.156.173]:33747 "EHLO mx0b-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S942244AbdDTKcG (ORCPT ); Thu, 20 Apr 2017 06:32:06 -0400 From: Jisheng Zhang To: , , , , CC: , , , Jisheng Zhang Subject: [PATCH] PCI: dwc/host: Mark PCIe/PCI (MSI) cascade ISR as IRQF_NO_THREAD Date: Thu, 20 Apr 2017 18:27:18 +0800 Message-ID: <20170420102718.3778-1-jszhang@marvell.com> X-Mailer: git-send-email 2.11.0 MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2017-04-20_09:,, signatures=0 X-Proofpoint-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1704200084 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2193 Lines: 57 Similar as commit 8ff0ef996ca0 ("PCI: host: Mark PCIe/PCI (MSI) IRQ cascade handlers as IRQF_NO_THREAD"), we should mark PCIe/PCI (MSI) IRQ cascade handlers IRQF_NO_THREAD explicitly. I just found this issue in pcie-designware-plat driver, then searched the code, I think we should fix pcie-qcom and vmd as well. Signed-off-by: Jisheng Zhang --- drivers/pci/dwc/pcie-designware-plat.c | 3 ++- drivers/pci/dwc/pcie-qcom.c | 3 ++- drivers/pci/host/vmd.c | 3 ++- 3 files changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c index f20d494922ab..0db1dafc82bb 100644 --- a/drivers/pci/dwc/pcie-designware-plat.c +++ b/drivers/pci/dwc/pcie-designware-plat.c @@ -67,7 +67,8 @@ static int dw_plat_add_pcie_port(struct pcie_port *pp, ret = devm_request_irq(dev, pp->msi_irq, dw_plat_pcie_msi_irq_handler, - IRQF_SHARED, "dw-plat-pcie-msi", pp); + IRQF_SHARED | IRQF_NO_THREAD, + "dw-plat-pcie-msi", pp); if (ret) { dev_err(dev, "failed to request MSI IRQ\n"); return ret; diff --git a/drivers/pci/dwc/pcie-qcom.c b/drivers/pci/dwc/pcie-qcom.c index 67eb7f5926dd..a5570c58081e 100644 --- a/drivers/pci/dwc/pcie-qcom.c +++ b/drivers/pci/dwc/pcie-qcom.c @@ -727,7 +727,8 @@ static int qcom_pcie_probe(struct platform_device *pdev) ret = devm_request_irq(dev, pp->msi_irq, qcom_pcie_msi_irq_handler, - IRQF_SHARED, "qcom-pcie-msi", pp); + IRQF_SHARED | IRQF_NO_THREAD, + "qcom-pcie-msi", pp); if (ret) { dev_err(dev, "cannot request msi irq\n"); return ret; diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c index e27ad2a3bd33..784f63beb487 100644 --- a/drivers/pci/host/vmd.c +++ b/drivers/pci/host/vmd.c @@ -704,7 +704,8 @@ static int vmd_probe(struct pci_dev *dev, const struct pci_device_id *id) INIT_LIST_HEAD(&vmd->irqs[i].irq_list); err = devm_request_irq(&dev->dev, pci_irq_vector(dev, i), - vmd_irq, 0, "vmd", &vmd->irqs[i]); + vmd_irq, IRQF_NO_THREAD, + "vmd", &vmd->irqs[i]); if (err) return err; } -- 2.11.0