RE: [Xen-ia64-devel] XEN_HYPER_ITC_D and XEN_HYPER_ITC_I in vhpt_miss

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

> Le Mardi 23 Mai 2006 13:53, Dietmar Hahn a écrit :
> > Hi,
> >
> > while I was trying to understand the trap handler in
> > linux-2.6-xen-sparse/arch/ia64/xen/xenivt.S
> > I saw the lines 205 ff:
> >
> > #ifdef CONFIG_XEN
> >     mov r24=r8
> >     mov r8=r18
> >     ;;
> > (p10)       XEN_HYPER_ITC_D
> >     ;;
> > (p11)       XEN_HYPER_ITC_I
> >     ;;
> >     mov r8=r24
> >     ;;
> > #else
> > (p10)       itc.i r18                               // 
> insert the instruction TLB entry
> > (p11)       itc.d r18                               // 
> insert the data TLB entry
> > #endif
> >
> > May it be that XEN_HYPER_ITC_D and XEN_HYPER_ITC_I are in 
> the reverse
> > order?
> Good catch.
> 
> Feel free to send a patch.

Does this code ever get executed?  The VHPT is pinned by
a TR, correct?

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