Re: [Xen-devel] [PATCH] Reset runstate_guest handles on soft reset

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 28.01.16 at 10:34, <vkuznets@xxxxxxxxxx> wrote:
> --- a/xen/common/domain.c
> +++ b/xen/common/domain.c
> @@ -1074,7 +1074,10 @@ int domain_soft_reset(struct domain *d)
>      grant_table_warn_active_grants(d);
>  
>      for_each_vcpu ( d, v )
> +    {
> +        memset(&runstate_guest(v), 0, sizeof(runstate_guest(v)));
>          unmap_vcpu_info(v);
> +    }

Well, the idea seems okay, but using memset() looks bogus: Why
can't you use guest_handle_from_pointer(NULL, ...) or
set_xen_guest_handle(..., NULL)?

Jan


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