[Xen-devel] Ping: [PATCH] x86: improve vCPU selection in pagetable_dying()

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 10.09.18 at 16:02, <JBeulich@xxxxxxxx> wrote:
> Rather than unconditionally using vCPU 0, use the current vCPU if the
> subject domain is the current one.
> 
> Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
> 
> --- a/xen/arch/x86/mm/paging.c
> +++ b/xen/arch/x86/mm/paging.c
> @@ -858,7 +858,7 @@ void pagetable_dying(struct domain *d, p
>  
>      ASSERT(paging_mode_shadow(d));
>  
> -    v = d->vcpu[0];
> +    v = (d == current->domain) ? current : d->vcpu[0];
>      v->arch.paging.mode->shadow.pagetable_dying(v, gpa);
>  #else
>      BUG();



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