Re: [PATCH v3 16/21] migration: Add support for modules

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Juan Quintela (quintela@redhat.com) wrote:
> So we don't have to compile everything in, or have ifdefs

Can you explain to me what this is allowing us to do?

Dave

> Signed-off-by: Juan Quintela <quintela@redhat.com>
> ---
>  include/qemu/module.h | 2 ++
>  vl.c                  | 1 +
>  2 files changed, 3 insertions(+)
> 
> diff --git a/include/qemu/module.h b/include/qemu/module.h
> index 65ba596e46..907cb5c0a5 100644
> --- a/include/qemu/module.h
> +++ b/include/qemu/module.h
> @@ -40,6 +40,7 @@ static void __attribute__((constructor)) do_qemu_init_ ## function(void)    \
>  #endif
>  
>  typedef enum {
> +    MODULE_INIT_MIGRATION,
>      MODULE_INIT_BLOCK,
>      MODULE_INIT_OPTS,
>      MODULE_INIT_QOM,
> @@ -56,6 +57,7 @@ typedef enum {
>  #define xen_backend_init(function) module_init(function, \
>                                                 MODULE_INIT_XEN_BACKEND)
>  #define libqos_init(function) module_init(function, MODULE_INIT_LIBQOS)
> +#define migration_init(function) module_init(function, MODULE_INIT_MIGRATION)
>  
>  #define block_module_load_one(lib) module_load_one("block-", lib)
>  #define ui_module_load_one(lib) module_load_one("ui-", lib)
> diff --git a/vl.c b/vl.c
> index 71d3e7eefb..f331a3921f 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2873,6 +2873,7 @@ int main(int argc, char **argv, char **envp)
>      qemu_init_exec_dir(argv[0]);
>  
>      module_call_init(MODULE_INIT_QOM);
> +    module_call_init(MODULE_INIT_MIGRATION);
>  
>      qemu_add_opts(&qemu_drive_opts);
>      qemu_add_drive_opts(&qemu_legacy_drive_opts);
> -- 
> 2.24.1
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK