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qdev patches for 2017-04-21 

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Merge remote-tracking branch 'remotes/armbru/tags/pull-qdev-2017-04-21' into staging

qdev patches for 2017-04-21

# gpg: Signature made Fri 21 Apr 2017 06:37:19 BST
# gpg:                using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867  4E5F 3870 B400 EB91 8653

* remotes/armbru/tags/pull-qdev-2017-04-21:
  qdev: remove cannot_destroy_with_object_finalize_yet
  versatile: remove cannot_destroy_with_object_finalize_yet
  ppc: remove cannot_destroy_with_object_finalize_yet
  arm: remove remaining cannot_destroy_with_object_finalize_yet

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2017-04-21 11:42:03 +01:00
parent 7cd37925a1 08f00df4f4
commit bfec359afb
11 changed files with 12 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
hw/arm/allwinner-a10.c
View File

@ -118,12 +118,6 @@ static void aw_a10_class_init(ObjectClass *oc, void *data)
DeviceClass *dc = DEVICE_CLASS(oc); DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = aw_a10_realize; dc->realize = aw_a10_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
} }
static const TypeInfo aw_a10_type_info = { static const TypeInfo aw_a10_type_info = {

6
hw/arm/bcm2836.c
View File

@ -160,12 +160,6 @@ static void bcm2836_class_init(ObjectClass *oc, void *data)
dc->props = bcm2836_props; dc->props = bcm2836_props;
dc->realize = bcm2836_realize; dc->realize = bcm2836_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
} }
static const TypeInfo bcm2836_type_info = { static const TypeInfo bcm2836_type_info = {

6
hw/arm/digic.c
View File

@ -101,12 +101,6 @@ static void digic_class_init(ObjectClass *oc, void *data)
DeviceClass *dc = DEVICE_CLASS(oc); DeviceClass *dc = DEVICE_CLASS(oc);
dc->realize = digic_realize; dc->realize = digic_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
} }
static const TypeInfo digic_type_info = { static const TypeInfo digic_type_info = {

5
hw/arm/fsl-imx25.c
View File

@ -290,11 +290,6 @@ static void fsl_imx25_class_init(ObjectClass *oc, void *data)
dc->realize = fsl_imx25_realize; dc->realize = fsl_imx25_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
dc->desc = "i.MX25 SOC"; dc->desc = "i.MX25 SOC";
} }

5
hw/arm/fsl-imx31.c
View File

@ -262,11 +262,6 @@ static void fsl_imx31_class_init(ObjectClass *oc, void *data)
dc->realize = fsl_imx31_realize; dc->realize = fsl_imx31_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
dc->desc = "i.MX31 SOC"; dc->desc = "i.MX31 SOC";
} }

5
hw/arm/fsl-imx6.c
View File

@ -442,11 +442,6 @@ static void fsl_imx6_class_init(ObjectClass *oc, void *data)
dc->realize = fsl_imx6_realize; dc->realize = fsl_imx6_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
dc->desc = "i.MX6 SOC"; dc->desc = "i.MX6 SOC";
} }

6
hw/arm/xlnx-zynqmp.c
View File

@ -443,12 +443,6 @@ static void xlnx_zynqmp_class_init(ObjectClass *oc, void *data)
dc->props = xlnx_zynqmp_props; dc->props = xlnx_zynqmp_props;
dc->realize = xlnx_zynqmp_realize; dc->realize = xlnx_zynqmp_realize;
/*
* Reason: creates an ARM CPU, thus use after free(), see
* arm_cpu_class_init()
*/
dc->cannot_destroy_with_object_finalize_yet = true;
} }
static const TypeInfo xlnx_zynqmp_type_info = { static const TypeInfo xlnx_zynqmp_type_info = {

35
hw/pci-host/versatile.c
View File

@ -380,20 +380,8 @@ static void pci_vpb_reset(DeviceState *d)
static void pci_vpb_init(Object *obj) static void pci_vpb_init(Object *obj)
{ {
PCIHostState *h = PCI_HOST_BRIDGE(obj);
PCIVPBState *s = PCI_VPB(obj); PCIVPBState *s = PCI_VPB(obj);
memory_region_init(&s->pci_io_space, OBJECT(s), "pci_io", 1ULL << 32);
memory_region_init(&s->pci_mem_space, OBJECT(s), "pci_mem", 1ULL << 32);
pci_bus_new_inplace(&s->pci_bus, sizeof(s->pci_bus), DEVICE(obj), "pci",
&s->pci_mem_space, &s->pci_io_space,
PCI_DEVFN(11, 0), TYPE_PCI_BUS);
h->bus = &s->pci_bus;
object_initialize(&s->pci_dev, sizeof(s->pci_dev), TYPE_VERSATILE_PCI_HOST);
qdev_set_parent_bus(DEVICE(&s->pci_dev), BUS(&s->pci_bus));
/* Window sizes for VersatilePB; realview_pci's init will override */ /* Window sizes for VersatilePB; realview_pci's init will override */
s->mem_win_size[0] = 0x0c000000; s->mem_win_size[0] = 0x0c000000;
s->mem_win_size[1] = 0x10000000; s->mem_win_size[1] = 0x10000000;
@ -403,10 +391,22 @@ static void pci_vpb_init(Object *obj)
static void pci_vpb_realize(DeviceState *dev, Error **errp) static void pci_vpb_realize(DeviceState *dev, Error **errp)
{ {
PCIVPBState *s = PCI_VPB(dev); PCIVPBState *s = PCI_VPB(dev);
PCIHostState *h = PCI_HOST_BRIDGE(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev); SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
pci_map_irq_fn mapfn; pci_map_irq_fn mapfn;
int i; int i;
memory_region_init(&s->pci_io_space, OBJECT(s), "pci_io", 1ULL << 32);
memory_region_init(&s->pci_mem_space, OBJECT(s), "pci_mem", 1ULL << 32);
pci_bus_new_inplace(&s->pci_bus, sizeof(s->pci_bus), dev, "pci",
&s->pci_mem_space, &s->pci_io_space,
PCI_DEVFN(11, 0), TYPE_PCI_BUS);
h->bus = &s->pci_bus;
object_initialize(&s->pci_dev, sizeof(s->pci_dev), TYPE_VERSATILE_PCI_HOST);
qdev_set_parent_bus(DEVICE(&s->pci_dev), BUS(&s->pci_bus));
for (i = 0; i < 4; i++) { for (i = 0; i < 4; i++) {
sysbus_init_irq(sbd, &s->irq[i]); sysbus_init_irq(sbd, &s->irq[i]);
} }
@ -503,8 +503,6 @@ static void pci_vpb_class_init(ObjectClass *klass, void *data)
dc->reset = pci_vpb_reset; dc->reset = pci_vpb_reset;
dc->vmsd = &pci_vpb_vmstate; dc->vmsd = &pci_vpb_vmstate;
dc->props = pci_vpb_properties; dc->props = pci_vpb_properties;
/* Reason: object_unref() hangs */
dc->cannot_destroy_with_object_finalize_yet = true;
} }
static const TypeInfo pci_vpb_info = { static const TypeInfo pci_vpb_info = {
@ -526,19 +524,10 @@ static void pci_realview_init(Object *obj)
s->mem_win_size[2] = 0x08000000; s->mem_win_size[2] = 0x08000000;
} }
static void pci_realview_class_init(ObjectClass *class, void *data)
{
DeviceClass *dc = DEVICE_CLASS(class);
/* Reason: object_unref() hangs */
dc->cannot_destroy_with_object_finalize_yet = true;
}
static const TypeInfo pci_realview_info = { static const TypeInfo pci_realview_info = {
.name = "realview_pci", .name = "realview_pci",
.parent = TYPE_VERSATILE_PCI, .parent = TYPE_VERSATILE_PCI,
.instance_init = pci_realview_init, .instance_init = pci_realview_init,
.class_init = pci_realview_class_init,
}; };
static void versatile_pci_register_types(void) static void versatile_pci_register_types(void)

13
include/hw/qdev-core.h
View File

@ -113,19 +113,6 @@ typedef struct DeviceClass {
* TODO remove once we're there * TODO remove once we're there
*/ */
bool cannot_instantiate_with_device_add_yet; bool cannot_instantiate_with_device_add_yet;
/*
* Does this device model survive object_unref(object_new(TNAME))?
* All device models should, and this flag shouldn't exist. Some
* devices crash in object_new(), some crash or hang in
* object_unref(). Makes introspecting properties with
* qmp_device_list_properties() dangerous. Bad, because it's used
* by -device FOO,help. This flag serves to protect that code.
* It should never be set without a comment explaining why it is
* set.
* TODO remove once we're there
*/
bool cannot_destroy_with_object_finalize_yet;
bool hotpluggable; bool hotpluggable;
/* callbacks */ /* callbacks */

5
qmp.c
View File

@ -548,11 +548,6 @@ DevicePropertyInfoList *qmp_device_list_properties(const char *typename,
return NULL; return NULL;
} }
if (DEVICE_CLASS(klass)->cannot_destroy_with_object_finalize_yet) {
error_setg(errp, "Can't list properties of device '%s'", typename);
return NULL;
}
obj = object_new(typename); obj = object_new(typename);
object_property_iter_init(&iter, obj); object_property_iter_init(&iter, obj);

10
target/ppc/kvm.c
View File

@ -2245,14 +2245,8 @@ static void alter_insns(uint64_t *word, uint64_t flags, bool on)
} }
} }
static void kvmppc_host_cpu_initfn(Object *obj)
{
assert(kvm_enabled());
}
static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data) static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data)
{ {
DeviceClass *dc = DEVICE_CLASS(oc);
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc); PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
uint32_t vmx = kvmppc_get_vmx(); uint32_t vmx = kvmppc_get_vmx();
uint32_t dfp = kvmppc_get_dfp(); uint32_t dfp = kvmppc_get_dfp();
@ -2279,9 +2273,6 @@ static void kvmppc_host_cpu_class_init(ObjectClass *oc, void *data)
if (icache_size != -1) { if (icache_size != -1) {
pcc->l1_icache_size = icache_size; pcc->l1_icache_size = icache_size;
} }
/* Reason: kvmppc_host_cpu_initfn() dies when !kvm_enabled() */
dc->cannot_destroy_with_object_finalize_yet = true;
} }
bool kvmppc_has_cap_epr(void) bool kvmppc_has_cap_epr(void)
@ -2333,7 +2324,6 @@ static int kvm_ppc_register_host_cpu_type(void)
{ {
TypeInfo type_info = { TypeInfo type_info = {
.name = TYPE_HOST_POWERPC_CPU, .name = TYPE_HOST_POWERPC_CPU,
.instance_init = kvmppc_host_cpu_initfn,
.class_init = kvmppc_host_cpu_class_init, .class_init = kvmppc_host_cpu_class_init,
}; };
PowerPCCPUClass *pvr_pcc; PowerPCCPUClass *pvr_pcc;