Chuck Ebbert wrote: > In-Reply-To: <20061212225430.GC10475 at sequoia.sous-sol.org> > > 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. > We can handle this one with an #ifdef CONFIG_PARAVIRT, though. Zach
