Re: [Xen-devel] [PATCH v6 01/11] x86/hypervisor: make hypervisor_ap_setup return an error code

[Jan Beulich <jbeulich@xxxxxxxx>]

On 31.01.2020 18:49, Wei Liu wrote:
> We want to be able to handle AP setup error in the upper layer.
> 
> Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>
> ---
> v6:
> 1. Change map_vcpuinfo as well

And by implication then ...

> @@ -257,11 +257,17 @@ static void __init setup(void)
>      init_evtchn();
>  }
>  
> -static void ap_setup(void)
> +static int ap_setup(void)
>  {
> +    int rc;
> +
>      set_vcpu_id();
> -    map_vcpuinfo();
> -    init_evtchn();
> +    rc = map_vcpuinfo();
> +
> +    if ( !rc )
> +        init_evtchn();

... init_evtchn() as well?

Jan

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