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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729775054; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=Ueq/gBGxSMoZ7D6unLbmY3sy7nVg75uDlXSCadUqSg0=; b=SXBXeNAw0hFhz+2QXS2hE/gZYm2whnQmp01kZVuLS0mIXx8vHPHred+gDdFiv1EwiUS77V Ur38FMauyvZeQ9oo96W1QM5cEjudNImwryebaou4tgHNGzptTv2VkRNWEu5UV4z9+GQ/Ig BTG3C1EAzwXllc5xuhySvrZ514gD4XU= X-MC-Unique: vu_rRhHqOQK5784BtAanMw-1 From: Thomas Huth To: qemu-devel@nongnu.org, Halil Pasic , Christian Borntraeger , Eric Farman Cc: qemu-s390x@nongnu.org, Boris Fiuczynski , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH] hw/s390x: Re-enable the pci-bridge device on s390x Date: Thu, 24 Oct 2024 15:04:05 +0200 Message-ID: <20241024130405.62134-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" Commit e779e5c05a ("hw/pci-bridge: Add a Kconfig switch for the normal PCI bridge") added a config switch for the pci-bridge, so that the device is not included in the s390x target anymore (since the pci-bridge is not really useful on s390x). However, it seems like libvirt is still adding pci-bridge devices automatically to the guests' XML definitions (when adding a PCI device to a non-zero PCI bus), so these guests are now broken due to the missing pci-bridge in the QEMU binary. To avoid disruption of the users, let's re-enable the pci-bridge device on s390x for the time being. We could maybe disable it later again if libvirt does not add the pci-bridge device automatically to the guests anymore in the future. Signed-off-by: Thomas Huth Reviewed-by: Boris Fiuczynski Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/s390x/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/s390x/Kconfig b/hw/s390x/Kconfig index 3bbf4ae56e..82afdaa9dc 100644 --- a/hw/s390x/Kconfig +++ b/hw/s390x/Kconfig @@ -7,6 +7,7 @@ config S390_CCW_VIRTIO imply VFIO_AP imply VFIO_CCW imply WDT_DIAG288 + imply PCI_BRIDGE imply PCIE_DEVICES imply IOMMUFD select PCI_EXPRESS --=20 2.47.0