On 10/08/2015 17:26, fred.kon...@greensocs.com wrote:
>  
> +    qemu_mutex_lock(&cpu->work_mutex);
>      while ((wi = cpu->queued_work_first)) {
>          cpu->queued_work_first = wi->next;
> +        qemu_mutex_unlock(&cpu->work_mutex);
>          wi->func(wi->data);
> +        qemu_mutex_lock(&cpu->work_mutex);
>          wi->done = true;

This should be atomic_mb_set

>          if (wi->free) {
>              g_free(wi);
>          }
>      }
>      cpu->queued_work_last = NULL;

... and I'm a bit afraid of leaving the state of the list inconsistent,
so I'd move this after the cpu->queued_work_first assignment.  Otherwise
the patch looks good, I'm queuing it for 2.5.

Paolo

> +    qemu_mutex_unlock(&cpu->work_mutex);
> +

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