[PATCH] i386: remove IOPL check on task switch

IOPL is implicitly saved and restored on task switch,
so explicit check is no longer needed.

Signed-off-by: Chuck Ebbert <76306.1226@compuserve.com>
Signed-off-by: Andi Kleen <ak@suse.de>

diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index 8f42659..9930851 100644 (file)
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -674,12 +674,6 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas
 
        write_pda(pcurrent, next_p);
 
-       /*
-        * Restore IOPL if needed.
-        */
-       if (unlikely(prev->iopl != next->iopl))
-               set_iopl_mask(next->iopl);
-
        /*
         * Now maybe handle debug registers and/or IO bitmaps
         */