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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v4 23/32] qdev: Move dev->realized check to qdev_property_set()
On Fri, 11 Dec 2020 17:05:20 -0500
Eduardo Habkost <ehabkost@xxxxxxxxxx> wrote:
> Every single qdev property setter function manually checks
> dev->realized. We can just check dev->realized inside
> qdev_property_set() instead.
>
> The check is being added as a separate function
> (qdev_prop_allow_set()) because it will become a callback later.
is callback added within this series?
and I'd add here what's the purpose of it.
>
> Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
> Signed-off-by: Eduardo Habkost <ehabkost@xxxxxxxxxx>
> ---
> Changes v1 -> v2:
> * Removed unused variable at xen_block_set_vdev()
> * Redone patch after changes in the previous patches in the
> series
> ---
> Cc: Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx>
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Anthony Perard <anthony.perard@xxxxxxxxxx>
> Cc: Paul Durrant <paul@xxxxxxx>
> Cc: Kevin Wolf <kwolf@xxxxxxxxxx>
> Cc: Max Reitz <mreitz@xxxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: "Daniel P. Berrangé" <berrange@xxxxxxxxxx>
> Cc: Eduardo Habkost <ehabkost@xxxxxxxxxx>
> Cc: Cornelia Huck <cohuck@xxxxxxxxxx>
> Cc: Halil Pasic <pasic@xxxxxxxxxxxxx>
> Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
> Cc: Richard Henderson <rth@xxxxxxxxxxx>
> Cc: David Hildenbrand <david@xxxxxxxxxx>
> Cc: Thomas Huth <thuth@xxxxxxxxxx>
> Cc: Matthew Rosato <mjrosato@xxxxxxxxxxxxx>
> Cc: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Cc: Mark Cave-Ayland <mark.cave-ayland@xxxxxxxxxxxx>
> Cc: Artyom Tarasenko <atar4qemu@xxxxxxxxx>
> Cc: qemu-devel@xxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Cc: qemu-block@xxxxxxxxxx
> Cc: qemu-s390x@xxxxxxxxxx
> ---
> backends/tpm/tpm_util.c | 6 --
> hw/block/xen-block.c | 6 --
> hw/core/qdev-properties-system.c | 70 ----------------------
> hw/core/qdev-properties.c | 100 ++++++-------------------------
> hw/s390x/css.c | 6 --
> hw/s390x/s390-pci-bus.c | 6 --
> hw/vfio/pci-quirks.c | 6 --
> target/sparc/cpu.c | 6 --
> 8 files changed, 18 insertions(+), 188 deletions(-)
>
> diff --git a/backends/tpm/tpm_util.c b/backends/tpm/tpm_util.c
> index a5d997e7dc..39b45fa46d 100644
> --- a/backends/tpm/tpm_util.c
> +++ b/backends/tpm/tpm_util.c
> @@ -46,16 +46,10 @@ static void get_tpm(Object *obj, Visitor *v, const char
> *name, void *opaque,
> static void set_tpm(Object *obj, Visitor *v, const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> TPMBackend *s, **be = qdev_get_prop_ptr(obj, prop);
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> diff --git a/hw/block/xen-block.c b/hw/block/xen-block.c
> index 905e4acd97..bd1aef63a7 100644
> --- a/hw/block/xen-block.c
> +++ b/hw/block/xen-block.c
> @@ -395,17 +395,11 @@ static int vbd_name_to_disk(const char *name, const
> char **endp,
> static void xen_block_set_vdev(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> XenBlockVdev *vdev = qdev_get_prop_ptr(obj, prop);
> char *str, *p;
> const char *end;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> diff --git a/hw/core/qdev-properties-system.c
> b/hw/core/qdev-properties-system.c
> index 42529c3b65..f31aea3de1 100644
> --- a/hw/core/qdev-properties-system.c
> +++ b/hw/core/qdev-properties-system.c
> @@ -94,11 +94,6 @@ static void set_drive_helper(Object *obj, Visitor *v,
> const char *name,
> bool blk_created = false;
> int ret;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -230,17 +225,11 @@ static void get_chr(Object *obj, Visitor *v, const char
> *name, void *opaque,
> static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> CharBackend *be = qdev_get_prop_ptr(obj, prop);
> Chardev *s;
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -311,18 +300,12 @@ static void get_mac(Object *obj, Visitor *v, const char
> *name, void *opaque,
> static void set_mac(Object *obj, Visitor *v, const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> MACAddr *mac = qdev_get_prop_ptr(obj, prop);
> int i, pos;
> char *str;
> const char *p;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -390,7 +373,6 @@ static void get_netdev(Object *obj, Visitor *v, const
> char *name,
> static void set_netdev(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> NICPeers *peers_ptr = qdev_get_prop_ptr(obj, prop);
> NetClientState **ncs = peers_ptr->ncs;
> @@ -398,11 +380,6 @@ static void set_netdev(Object *obj, Visitor *v, const
> char *name,
> int queues, err = 0, i = 0;
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -469,18 +446,12 @@ static void get_audiodev(Object *obj, Visitor *v, const
> char* name,
> static void set_audiodev(Object *obj, Visitor *v, const char* name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> QEMUSoundCard *card = qdev_get_prop_ptr(obj, prop);
> AudioState *state;
> int err = 0;
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -582,11 +553,6 @@ static void set_blocksize(Object *obj, Visitor *v, const
> char *name,
> uint64_t value;
> Error *local_err = NULL;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_size(v, name, &value, errp)) {
> return;
> }
> @@ -686,7 +652,6 @@ static void get_reserved_region(Object *obj, Visitor *v,
> const char *name,
> static void set_reserved_region(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> ReservedRegion *rr = qdev_get_prop_ptr(obj, prop);
> Error *local_err = NULL;
> @@ -694,11 +659,6 @@ static void set_reserved_region(Object *obj, Visitor *v,
> const char *name,
> char *str;
> int ret;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_str(v, name, &str, &local_err);
> if (local_err) {
> error_propagate(errp, local_err);
> @@ -754,17 +714,11 @@ const PropertyInfo qdev_prop_reserved_region = {
> static void set_pci_devfn(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> int32_t value, *ptr = qdev_get_prop_ptr(obj, prop);
> unsigned int slot, fn, n;
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, NULL)) {
> if (!visit_type_int32(v, name, &value, errp)) {
> return;
> @@ -848,7 +802,6 @@ static void get_pci_host_devaddr(Object *obj, Visitor *v,
> const char *name,
> static void set_pci_host_devaddr(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> PCIHostDeviceAddress *addr = qdev_get_prop_ptr(obj, prop);
> char *str, *p;
> @@ -857,11 +810,6 @@ static void set_pci_host_devaddr(Object *obj, Visitor
> *v, const char *name,
> unsigned long dom = 0, bus = 0;
> unsigned int slot = 0, func = 0;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -972,16 +920,10 @@ static void get_prop_pcielinkspeed(Object *obj, Visitor
> *v, const char *name,
> static void set_prop_pcielinkspeed(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> PCIExpLinkSpeed *p = qdev_get_prop_ptr(obj, prop);
> int speed;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_enum(v, name, &speed, prop->info->enum_table,
> errp)) {
> return;
> @@ -1057,16 +999,10 @@ static void get_prop_pcielinkwidth(Object *obj,
> Visitor *v, const char *name,
> static void set_prop_pcielinkwidth(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> PCIExpLinkWidth *p = qdev_get_prop_ptr(obj, prop);
> int width;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_enum(v, name, &width, prop->info->enum_table,
> errp)) {
> return;
> @@ -1129,16 +1065,10 @@ static void get_uuid(Object *obj, Visitor *v, const
> char *name, void *opaque,
> static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> QemuUUID *uuid = qdev_get_prop_ptr(obj, prop);
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c
> index b924f13d58..92f48ecbf2 100644
> --- a/hw/core/qdev-properties.c
> +++ b/hw/core/qdev-properties.c
> @@ -24,6 +24,19 @@ void qdev_prop_set_after_realize(DeviceState *dev, const
> char *name,
> }
> }
>
> +/* returns: true if property is allowed to be set, false otherwise */
> +static bool qdev_prop_allow_set(Object *obj, const char *name,
> + Error **errp)
> +{
> + DeviceState *dev = DEVICE(obj);
> +
> + if (dev->realized) {
> + qdev_prop_set_after_realize(dev, name, errp);
> + return false;
> + }
> + return true;
> +}
> +
> void qdev_prop_allow_set_link_before_realize(const Object *obj,
> const char *name,
> Object *val, Error **errp)
> @@ -65,6 +78,11 @@ static void field_prop_set(Object *obj, Visitor *v, const
> char *name,
> void *opaque, Error **errp)
> {
> Property *prop = opaque;
> +
> + if (!qdev_prop_allow_set(obj, name, errp)) {
> + return;
> + }
> +
> return prop->info->set(obj, v, name, opaque, errp);
> }
>
> @@ -90,15 +108,9 @@ void qdev_propinfo_get_enum(Object *obj, Visitor *v,
> const char *name,
> void qdev_propinfo_set_enum(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> int *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_enum(v, name, ptr, prop->info->enum_table, errp);
> }
>
> @@ -148,15 +160,9 @@ static void prop_get_bit(Object *obj, Visitor *v, const
> char *name,
> static void prop_set_bit(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> bool value;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_bool(v, name, &value, errp)) {
> return;
> }
> @@ -208,15 +214,9 @@ static void prop_get_bit64(Object *obj, Visitor *v,
> const char *name,
> static void prop_set_bit64(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> bool value;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_bool(v, name, &value, errp)) {
> return;
> }
> @@ -245,15 +245,9 @@ static void get_bool(Object *obj, Visitor *v, const char
> *name, void *opaque,
> static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> bool *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_bool(v, name, ptr, errp);
> }
>
> @@ -278,15 +272,9 @@ static void get_uint8(Object *obj, Visitor *v, const
> char *name, void *opaque,
> static void set_uint8(Object *obj, Visitor *v, const char *name, void
> *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint8_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_uint8(v, name, ptr, errp);
> }
>
> @@ -323,15 +311,9 @@ static void get_uint16(Object *obj, Visitor *v, const
> char *name,
> static void set_uint16(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint16_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_uint16(v, name, ptr, errp);
> }
>
> @@ -356,15 +338,9 @@ static void get_uint32(Object *obj, Visitor *v, const
> char *name,
> static void set_uint32(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint32_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_uint32(v, name, ptr, errp);
> }
>
> @@ -380,15 +356,9 @@ void qdev_propinfo_get_int32(Object *obj, Visitor *v,
> const char *name,
> static void set_int32(Object *obj, Visitor *v, const char *name, void
> *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> int32_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_int32(v, name, ptr, errp);
> }
>
> @@ -420,15 +390,9 @@ static void get_uint64(Object *obj, Visitor *v, const
> char *name,
> static void set_uint64(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint64_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_uint64(v, name, ptr, errp);
> }
>
> @@ -444,15 +408,9 @@ static void get_int64(Object *obj, Visitor *v, const
> char *name,
> static void set_int64(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> int64_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_int64(v, name, ptr, errp);
> }
>
> @@ -495,16 +453,10 @@ static void get_string(Object *obj, Visitor *v, const
> char *name,
> static void set_string(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> char **ptr = qdev_get_prop_ptr(obj, prop);
> char *str;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> @@ -545,16 +497,10 @@ void qdev_propinfo_get_size32(Object *obj, Visitor *v,
> const char *name,
> static void set_size32(Object *obj, Visitor *v, const char *name, void
> *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint32_t *ptr = qdev_get_prop_ptr(obj, prop);
> uint64_t value;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_size(v, name, &value, errp)) {
> return;
> }
> @@ -621,10 +567,6 @@ static void set_prop_arraylen(Object *obj, Visitor *v,
> const char *name,
> const char *arrayname;
> int i;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> if (*alenptr) {
> error_setg(errp, "array size property %s may not be set more than
> once",
> name);
> @@ -864,15 +806,9 @@ static void get_size(Object *obj, Visitor *v, const char
> *name, void *opaque,
> static void set_size(Object *obj, Visitor *v, const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint64_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> visit_type_size(v, name, ptr, errp);
> }
>
> diff --git a/hw/s390x/css.c b/hw/s390x/css.c
> index 7a44320d12..496e2c5801 100644
> --- a/hw/s390x/css.c
> +++ b/hw/s390x/css.c
> @@ -2372,18 +2372,12 @@ static void get_css_devid(Object *obj, Visitor *v,
> const char *name,
> static void set_css_devid(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> CssDevId *dev_id = qdev_get_prop_ptr(obj, prop);
> char *str;
> int num, n1, n2;
> unsigned int cssid, ssid, devid;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_str(v, name, &str, errp)) {
> return;
> }
> diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c
> index 8b6be1197b..30511f620e 100644
> --- a/hw/s390x/s390-pci-bus.c
> +++ b/hw/s390x/s390-pci-bus.c
> @@ -1338,16 +1338,10 @@ static void s390_pci_get_fid(Object *obj, Visitor *v,
> const char *name,
> static void s390_pci_set_fid(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> S390PCIBusDevice *zpci = S390_PCI_DEVICE(obj);
> Property *prop = opaque;
> uint32_t *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_uint32(v, name, ptr, errp)) {
> return;
> }
> diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
> index 53569925a2..802979635c 100644
> --- a/hw/vfio/pci-quirks.c
> +++ b/hw/vfio/pci-quirks.c
> @@ -1498,15 +1498,9 @@ static void set_nv_gpudirect_clique_id(Object *obj,
> Visitor *v,
> const char *name, void *opaque,
> Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> Property *prop = opaque;
> uint8_t value, *ptr = qdev_get_prop_ptr(obj, prop);
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_uint8(v, name, &value, errp)) {
> return;
> }
> diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c
> index 92534bcd18..b730146bbe 100644
> --- a/target/sparc/cpu.c
> +++ b/target/sparc/cpu.c
> @@ -798,17 +798,11 @@ static void sparc_get_nwindows(Object *obj, Visitor *v,
> const char *name,
> static void sparc_set_nwindows(Object *obj, Visitor *v, const char *name,
> void *opaque, Error **errp)
> {
> - DeviceState *dev = DEVICE(obj);
> const int64_t min = MIN_NWINDOWS;
> const int64_t max = MAX_NWINDOWS;
> SPARCCPU *cpu = SPARC_CPU(obj);
> int64_t value;
>
> - if (dev->realized) {
> - qdev_prop_set_after_realize(dev, name, errp);
> - return;
> - }
> -
> if (!visit_type_int(v, name, &value, errp)) {
> return;
> }
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