In-Reply-To: <[email protected]>
On Tue, 12 Dec 2006 14:54:30 -0800, Chros Wright wrote:
> > --- a/arch/i386/kernel/process.c Tue Dec 12 13:50:50 2006 -0800
> > +++ b/arch/i386/kernel/process.c Tue Dec 12 13:50:53 2006 -0800
> > @@ -665,6 +665,37 @@ struct task_struct fastcall * __switch_t
> > load_TLS(next, cpu);
> >
> > /*
> > + * Restore IOPL if needed.
> > + */
> > + if (unlikely(prev->iopl != next->iopl))
> > + set_iopl_mask(next->iopl);
>
> Small sidenote that this bit undoes a recent change from Chuck Ebbert, which
> killed iopl_mask update via hypervisor.
This whole thing needs a proper fix IMO. I posted something a while back
but Andi didn't like it, I guess.
--
MBTI: IXTP
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