Re: [Xen-devel] [PATCH] x86/hvm: don't give vector callback higher priority than NMI/MCE

[Keir Fraser <keir.xen@xxxxxxxxx>]

On 07/09/2012 13:59, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:

> Those two should always be delivered first imo.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>

Acked-by: Keir Fraser <keir@xxxxxxx>

> --- a/xen/arch/x86/hvm/irq.c
> +++ b/xen/arch/x86/hvm/irq.c
> @@ -395,16 +395,16 @@ struct hvm_intack hvm_vcpu_has_pending_i
>      struct hvm_domain *plat = &v->domain->arch.hvm_domain;
>      int vector;
>  
> -    if ( (plat->irq.callback_via_type == HVMIRQ_callback_vector)
> -         && vcpu_info(v, evtchn_upcall_pending) )
> -        return hvm_intack_vector(plat->irq.callback_via.vector);
> -
>      if ( unlikely(v->nmi_pending) )
>          return hvm_intack_nmi;
>  
>      if ( unlikely(v->mce_pending) )
>          return hvm_intack_mce;
>  
> +    if ( (plat->irq.callback_via_type == HVMIRQ_callback_vector)
> +         && vcpu_info(v, evtchn_upcall_pending) )
> +        return hvm_intack_vector(plat->irq.callback_via.vector);
> +
>      if ( vlapic_accept_pic_intr(v) && plat->vpic[0].int_output )
>          return hvm_intack_pic(0);
>  
> 
> 
> 
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