hw/qdev/core.h being included by core headers means that it was quite
easy to forget including it, or anything that hw/qdev/core.h included.
Add the missing inclusions.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/hw/char/serial.h        | 1 +
 hw/virtio/iothread-vq-mapping.c | 1 +
 2 files changed, 2 insertions(+)

diff --git a/include/hw/char/serial.h b/include/hw/char/serial.h
index b804e225886..ea82ffac476 100644
--- a/include/hw/char/serial.h
+++ b/include/hw/char/serial.h
@@ -26,6 +26,7 @@
 #ifndef HW_SERIAL_H
 #define HW_SERIAL_H
 
+#include "hw/core/qdev.h"
 #include "chardev/char-fe.h"
 #include "system/memory.h"
 #include "qemu/fifo8.h"
diff --git a/hw/virtio/iothread-vq-mapping.c b/hw/virtio/iothread-vq-mapping.c
index 15909eb9332..55ce62986c7 100644
--- a/hw/virtio/iothread-vq-mapping.c
+++ b/hw/virtio/iothread-vq-mapping.c
@@ -8,6 +8,7 @@
 
 #include "qemu/osdep.h"
 #include "system/iothread.h"
+#include "qemu/bitmap.h"
 #include "hw/virtio/iothread-vq-mapping.h"
 
 static bool
-- 
2.52.0

On 3/12/25 19:51, Paolo Bonzini wrote:
> hw/qdev/core.h being included by core headers means that it was quite
> easy to forget including it, or anything that hw/qdev/core.h included.
> Add the missing inclusions.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>   include/hw/char/serial.h        | 1 +
>   hw/virtio/iothread-vq-mapping.c | 1 +
>   2 files changed, 2 insertions(+)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>