Re: [PATCH 21/21] hw/core: Assert memory_region_allocate_system_memory has machine owner

[Alistair Francis]

On Sun, Oct 20, 2019 at 4:22 PM Philippe Mathieu-Daudé
<address@hidden> wrote:
>
> All the memory_region_allocate_system_memory() pass a MachineState
> argument. Add an assertion to ensure the new boards/machines added
> set this argument, so all system memory object have the machine as
> its QOM owner.
>
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>

Reviewed-by: Alistair Francis <address@hidden>

Alistair

> ---
>  hw/core/numa.c      | 4 +---
>  include/hw/boards.h | 2 +-
>  2 files changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/hw/core/numa.c b/hw/core/numa.c
> index 2e29e4bfe0..3e07e94d00 100644
> --- a/hw/core/numa.c
> +++ b/hw/core/numa.c
> @@ -527,9 +527,7 @@ void memory_region_allocate_system_memory(MemoryRegion 
> *mr, MachineState *ms,
>      uint64_t addr = 0;
>      int i;
>
> -    if (!ms) {
> -        ms = MACHINE(qdev_get_machine());
> -    }
> +    g_assert(ms);
>
>      if (ms->numa_state == NULL ||
>          ms->numa_state->num_nodes == 0 || !have_memdevs) {
> diff --git a/include/hw/boards.h b/include/hw/boards.h
> index 3b6cb82b6c..31ab6e7586 100644
> --- a/include/hw/boards.h
> +++ b/include/hw/boards.h
> @@ -14,7 +14,7 @@
>  /**
>   * memory_region_allocate_system_memory - Allocate a board's main memory
>   * @mr: the #MemoryRegion to be initialized
> - * @ms: the #MachineState object that own the system memory
> + * @ms: the #MachineState object that own the system memory (must not be 
> NULL)
>   * @name: name of the memory region
>   * @ram_size: size of the region in bytes
>   *
> --
> 2.21.0
>
>