In-Reply-To: <20061212225430.GC10475@xxxxxxxxxxxxxxxxxxxx>
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 -0800Small sidenote that this bit undoes a recent change from Chuck Ebbert, which
+++ 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);
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.