"hw/core/cpu.h" declares 'first_cpu'. Include it to avoid
when unrelated headers are refactored:

  system/qtest.c:548:33: error: use of undeclared identifier 'first_cpu'
            address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED,
                                ^

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 system/qtest.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/system/qtest.c b/system/qtest.c
index 7964f0b248..6da58b3874 100644
--- a/system/qtest.c
+++ b/system/qtest.c
@@ -21,6 +21,7 @@
 #include "exec/tswap.h"
 #include "hw/qdev-core.h"
 #include "hw/irq.h"
+#include "hw/core/cpu.h"
 #include "qemu/accel.h"
 #include "sysemu/cpu-timers.h"
 #include "qemu/config-file.h"
-- 
2.41.0

On 12/12/2023 12.30, Philippe Mathieu-Daudé wrote:
> "hw/core/cpu.h" declares 'first_cpu'. Include it to avoid
> when unrelated headers are refactored:
> 
>    system/qtest.c:548:33: error: use of undeclared identifier 'first_cpu'
>              address_space_write(first_cpu->as, addr, MEMTXATTRS_UNSPECIFIED,
>                                  ^
> 
> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> ---
>   system/qtest.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/system/qtest.c b/system/qtest.c
> index 7964f0b248..6da58b3874 100644
> --- a/system/qtest.c
> +++ b/system/qtest.c
> @@ -21,6 +21,7 @@
>   #include "exec/tswap.h"
>   #include "hw/qdev-core.h"
>   #include "hw/irq.h"
> +#include "hw/core/cpu.h"
>   #include "qemu/accel.h"
>   #include "sysemu/cpu-timers.h"
>   #include "qemu/config-file.h"

Reviewed-by: Thomas Huth <thuth@redhat.com>