Re: [Qemu-devel] [PATCH] file_ram_alloc: propagate error to caller instead of terminating QEMU

[Paolo Bonzini <pbonzini@redhat.com>]

On 19/10/2015 19:11, Igor Mammedov wrote:
> QEMU shouldn't exits from file_ram_alloc() if -mem-prealloc option is specified
> and "object_add memory-backend-file,..." fails allocation during memory hotplug.
> 
> Propagate error to a caller and let it decide what to do with allocation failure.
> That leaves QEMU alive if it can't create backend during hotplug time and
> kills QEMU at startup time if backends or initial memory were misconfigured/
> too large.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
>  exec.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/exec.c b/exec.c
> index 7d90a52..0aadd41 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -1292,10 +1292,6 @@ static void *file_ram_alloc(RAMBlock *block,
>      return area;
>  
>  error:
> -    if (mem_prealloc) {
> -        error_report("%s", error_get_pretty(*errp));
> -        exit(1);
> -    }
>      return NULL;
>  }
>  #endif
> 

Queued, thanks.

Paolo