Re: [Xen-devel] [PATCH 3/5] xen/vm_event: Support for guest-requested events

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 06.05.15 at 19:12, <rcojocaru@xxxxxxxxxxxxxxx> wrote:
> Added support for a new class of vm_events: VM_EVENT_REASON_REQUEST,

Perhaps better VM_EVENT_REASON_GUEST_REQUEST?

> --- a/xen/arch/x86/hvm/event.c
> +++ b/xen/arch/x86/hvm/event.c
> @@ -167,6 +167,20 @@ void hvm_event_xsetbv(unsigned long xcr, uint64_t value)
>          hvm_event_traps(currad->monitor.xsetbv_sync, &req);
>  }
>  
> +void hvm_event_requested(void)
> +{
> +    struct vcpu *curr = current;
> +    struct arch_domain *currad = &current->domain->arch;

So you latched current into curr and then use current again?

Jan



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