Re: [Xen-devel] Ping: [PATCH 1/3] x86/HVM: introduce hvm_get_cpl() and respective hook

[Tim Deegan <tim@xxxxxxx>]

At 01:45 -0700 on 13 Dec (1481593536), Jan Beulich wrote:
> > --- a/xen/arch/x86/mm/shadow/common.c
> > +++ b/xen/arch/x86/mm/shadow/common.c
> > @@ -1779,7 +1779,7 @@ void *sh_emulate_map_dest(struct vcpu *v
> >  #ifndef NDEBUG
> >      /* We don't emulate user-mode writes to page tables. */
> >      if ( has_hvm_container_domain(d)
> > -         ? hvm_get_seg_reg(x86_seg_ss, sh_ctxt)->attr.fields.dpl == 3
> > +         ? hvm_get_cpl(v) == 3
> >           : !guest_kernel_mode(v, guest_cpu_user_regs()) )
> >      {
> >          gdprintk(XENLOG_DEBUG, "User-mode write to pagetable reached "
> 
> Tim, how about this one?

Sorry, didn't see that there.  Acked-by: Tim Deegan <tim@xxxxxxx>

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