> > The point is that the IDT address itself should not be mutable state if
> > it can be at all avoided.
>
> Hmm, maybe we can do it. Have two counters, a debug_idt_ctr and a
> trace_idt_ctr, then have a function that basically does this:
>
> if (this_cpu_read(debug_idt_ctr))
> load_idt(&nmi_idt_descr); /* probably should rename to
> debug_idt_descr) */
> else if (trace_idt_ctr)
> load_idt(&trace_idt_descr);
> else
> load_idt(&idt_descr);
>
> Then all modifications of the idt would call this function.
I think it will work.
I will make the patch.
Seiji
>
> -- Steve
>
>
N�����r��y����b�X��ǧv�^�){.n�+����{����zX����ܨ}���Ơz�&j:+v�������zZ+��+zf���h���~����i���z� �w���?�����&�)ߢf��^jǫy�m��@A�a���
0��h���i
