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authorMarc-André Lureau <marcandre.lureau@redhat.com>2019-10-22 00:32:41 +0200
committerMarc-André Lureau <marcandre.lureau@redhat.com>2020-01-07 16:50:42 +0400
commit4cc017e505df7e5344e4dfe7fc17711117c5f11f (patch)
tree65b8366ac493b84dd8bddd1b6ceab3eba576acc4 /hw/char/serial.c
parent7781b88ee458ff933459503ade0b0a6ddaad08de (diff)
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serial: register vmsd with DeviceClass
Migration from old to new code works, however the other way fails for devices that use serial_init/serial_mm_init with "base", used as instance_id previously. (with qdev_set_legacy_instance_id, the alias_id is only used in savevm.c:find_se(), and thus can only be used to match against "legacy" instance id values. On new code, instance_id is generated incrementally from 0 with calculate_new_instance_id(), based on "qdev-path/vmsd-name") Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: xiaoqiang zhao <zxq_yx_007@163.com>
Diffstat (limited to 'hw/char/serial.c')
-rw-r--r--hw/char/serial.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/hw/char/serial.c b/hw/char/serial.c
index 233a9e2..e926845 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -990,8 +990,7 @@ SerialState *serial_init(int base, qemu_irq irq, int baudbase,
s->baudbase = baudbase;
qemu_chr_fe_init(&s->chr, chr, &error_abort);
serial_realize_core(s, &error_fatal);
-
- vmstate_register(NULL, base, &vmstate_serial, s);
+ qdev_set_legacy_instance_id(dev, base, 2);
qdev_init_nofail(dev);
memory_region_init_io(&s->io, NULL, &serial_io_ops, s, "serial", 8);
@@ -1006,6 +1005,7 @@ static void serial_class_init(ObjectClass *klass, void *data)
/* internal device for serialio/serialmm, not user-creatable */
dc->user_creatable = false;
+ dc->vmsd = &vmstate_serial;
}
static const TypeInfo serial_info = {
@@ -1069,7 +1069,7 @@ SerialState *serial_mm_init(MemoryRegion *address_space,
qemu_chr_fe_init(&s->chr, chr, &error_abort);
serial_realize_core(s, &error_fatal);
- vmstate_register(NULL, base, &vmstate_serial, s);
+ qdev_set_legacy_instance_id(dev, base, 2);
qdev_init_nofail(dev);
memory_region_init_io(&s->io, NULL, &serial_mm_ops[end], s,