Re: [PATCH 10/16] accel: pass object to accel_init_machine

["Marc-André Lureau" <marcandre.lureau@gmail.com>]

On Wed, Nov 13, 2019 at 6:45 PM Paolo Bonzini <pbonzini@redhat.com> wrote:
>
> We will have to set QOM properties before accel_init_machine, based on the
> options provided to -accel.  Construct the object outside it so that it
> will be possible to insert the iteration between object_new_with_class
> and accel_init_machine.
>
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>


Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

> ---
>  accel/accel.c          | 6 ++----
>  include/sysemu/accel.h | 2 +-
>  vl.c                   | 4 +++-
>  3 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/accel/accel.c b/accel/accel.c
> index 74eda68..822e945 100644
> --- a/accel/accel.c
> +++ b/accel/accel.c
> @@ -52,11 +52,9 @@ AccelClass *accel_find(const char *opt_name)
>      return ac;
>  }
>
> -int accel_init_machine(AccelClass *acc, MachineState *ms)
> +int accel_init_machine(AccelState *accel, MachineState *ms)
>  {
> -    ObjectClass *oc = OBJECT_CLASS(acc);
> -    const char *cname = object_class_get_name(oc);
> -    AccelState *accel = ACCEL(object_new(cname));
> +    AccelClass *acc = ACCEL_GET_CLASS(accel);
>      int ret;
>      ms->accelerator = accel;
>      *(acc->allowed) = true;
> diff --git a/include/sysemu/accel.h b/include/sysemu/accel.h
> index 90b6213..22cac0f 100644
> --- a/include/sysemu/accel.h
> +++ b/include/sysemu/accel.h
> @@ -67,7 +67,7 @@ typedef struct AccelClass {
>  extern unsigned long tcg_tb_size;
>
>  AccelClass *accel_find(const char *opt_name);
> -int accel_init_machine(AccelClass *acc, MachineState *ms);
> +int accel_init_machine(AccelState *accel, MachineState *ms);
>
>  /* Called just before os_setup_post (ie just before drop OS privs) */
>  void accel_setup_post(MachineState *ms);
> diff --git a/vl.c b/vl.c
> index 6e406d4..c8ec906 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2846,6 +2846,7 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
>      bool *p_init_failed = opaque;
>      const char *acc = qemu_opt_get(opts, "accel");
>      AccelClass *ac = accel_find(acc);
> +    AccelState *accel;
>      int ret;
>
>      if (!ac) {
> @@ -2853,7 +2854,8 @@ static int do_configure_accelerator(void *opaque, QemuOpts *opts, Error **errp)
>          error_report("invalid accelerator %s", acc);
>          return 0;
>      }
> -    ret = accel_init_machine(ac, current_machine);
> +    accel = ACCEL(object_new_with_class(OBJECT_CLASS(ac)));
> +    ret = accel_init_machine(accel, current_machine);
>      if (ret < 0) {
>          *p_init_failed = true;
>          error_report("failed to initialize %s: %s",
> --
> 1.8.3.1
>
>
>


-- 
Marc-André Lureau