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From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Richard Henderson" <richard.henderson@linaro.org>,
	"Eric Farman" <farman@linux.ibm.com>,
	"Peter Xu" <peterx@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Halil Pasic" <pasic@linux.ibm.com>,
	"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
	"Strahinja Jankovic" <strahinja.p.jankovic@gmail.com>,
	"Eduardo Habkost" <eduardo@habkost.net>,
	"Sergio Lopez" <slp@redhat.com>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Marcel Apfelbaum" <marcel.apfelbaum@gmail.com>,
	"Jason Wang" <jasowang@redhat.com>,
	qemu-arm@nongnu.org, qemu-s390x@nongnu.org,
	"Ilya Leoshkevich" <iii@linux.ibm.com>,
	"Song Gao" <gaosong@loongson.cn>,
	"Huacai Chen" <chenhuacai@kernel.org>,
	"Beniamino Galvani" <b.galvani@gmail.com>,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"David Hildenbrand" <david@redhat.com>,
	"Daniel P. Berrangé" <berrange@redhat.com>,
	"Paolo Bonzini" <pbonzini@redhat.com>
Subject: [PATCH 11/12] hw/sysbus: Ensure device is not realized before adding MMIO region
Date: Wed, 18 Oct 2023 16:11:49 +0200	[thread overview]
Message-ID: <20231018141151.87466-12-philmd@linaro.org> (raw)
In-Reply-To: <20231018141151.87466-1-philmd@linaro.org>

sysbus_init_mmio() should not be called on realized device.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/core/sysbus.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c
index 35f902b582..ce54e2c416 100644
--- a/hw/core/sysbus.c
+++ b/hw/core/sysbus.c
@@ -192,6 +192,11 @@ void sysbus_init_mmio(SysBusDevice *dev, MemoryRegion *memory)
     int n;
 
     assert(dev->num_mmio < QDEV_MAX_MMIO);
+    if (DEVICE(dev)->realized) {
+        error_report("sysbus_init_mmio(type:%s) but object is realized",
+                     object_get_typename(OBJECT(dev)));
+        abort();
+    }
     n = dev->num_mmio++;
     dev->mmio[n].addr = -1;
     dev->mmio[n].memory = memory;
-- 
2.41.0



  parent reply	other threads:[~2023-10-18 14:13 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-18 14:11 [PATCH 00/12] hw: Strengthen SysBus & QBus API Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 01/12] hw/i386/amd_iommu: Do not use SysBus API to map local MMIO region Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 02/12] hw/i386/intel_iommu: " Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 03/12] hw/misc/allwinner-dramc: Move sysbus_mmio_map call from init -> realize Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 04/12] hw/misc/allwinner-dramc: Do not use SysBus API to map local MMIO region Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 05/12] hw/pci-host/bonito: " Philippe Mathieu-Daudé
2023-10-18 16:05   ` Thomas Huth
2023-10-18 18:23     ` Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 06/12] hw/acpi: Realize ACPI_GED sysbus device before accessing it Philippe Mathieu-Daudé
2023-10-18 16:00   ` Thomas Huth
2023-10-18 14:11 ` [PATCH 07/12] hw/arm/virt: Realize ARM_GICV2M " Philippe Mathieu-Daudé
2023-10-18 15:58   ` Thomas Huth
2023-10-18 14:11 ` [PATCH 08/12] hw/isa: Realize ISA BUS " Philippe Mathieu-Daudé
2023-10-18 15:57   ` Thomas Huth
2023-10-18 18:26     ` Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 09/12] hw/s390x/css-bridge: Realize " Philippe Mathieu-Daudé
2023-10-18 15:06   ` Thomas Huth
2023-10-18 18:27     ` Philippe Mathieu-Daudé
2023-10-18 14:11 ` [PATCH 10/12] hw/qdev: Ensure parent device is not realized before adding bus Philippe Mathieu-Daudé
2023-10-18 16:08   ` Thomas Huth
2023-10-18 14:11 ` Philippe Mathieu-Daudé [this message]
2023-10-18 16:10   ` [PATCH 11/12] hw/sysbus: Ensure device is not realized before adding MMIO region Thomas Huth
2023-10-18 14:11 ` [PATCH 12/12] hw/sysbus: Ensure device is realized before mapping it Philippe Mathieu-Daudé
2023-10-18 16:13   ` Thomas Huth
2023-10-18 18:24     ` Philippe Mathieu-Daudé
2023-10-18 16:11 ` [PATCH 00/12] hw: Strengthen SysBus & QBus API Michael S. Tsirkin
2023-10-18 16:24 ` Thomas Huth
2023-10-18 18:25   ` Philippe Mathieu-Daudé
2023-10-18 18:32   ` Philippe Mathieu-Daudé

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