Re: [Qemu-devel] [PATCH 03/25] vmstate: make all architectures export a way to migrate cpu's

[Max Filippov <jcmvbkbc@gmail.com>]

> This makes several changes:
> - exports VMStateDescription vmstate_cpu non-static.
> - makes sure that every cpu has a vmstate_cpu or cpu_save/load defined
> - for the architecture that had nothing, it just register the cpu as unmigratable.
> - Depending on CPU_SAVE_VERSION we register old/new migration style
> 
> Signed-off-by: Juan Quintela <quintela@redhat.com>

[...snip...]

> diff --git a/target-xtensa/machine.c b/target-xtensa/machine.c
> index ddeffb2..3f98330 100644
> --- a/target-xtensa/machine.c
> +++ b/target-xtensa/machine.c
> @@ -26,13 +26,11 @@
>   */
> 
>  #include "hw/hw.h"
> -#include "hw/boards.h"
> 
> -void cpu_save(QEMUFile *f, void *opaque)
> -{
> -}
> +/* To make this architecture migratable, we need to define cpu state
> +   here.  Other things need to be done elsewhere */
> 
> -int cpu_load(QEMUFile *f, void *opaque, int version_id)
> -{
> -    return 0;
> -}
> +const VMStateDescription vmstate_cpu = {
> +    .name = "cpu",
> +    .unmigratable = 1,
> +};
> 

Acked-by: Max Filippov <jcmvbkbc@gmail.com>

Thanks.
-- Max