diff options
Diffstat (limited to 'arch/i386/kernel/process.c')
| -rw-r--r-- | arch/i386/kernel/process.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c index 66099780039..b45cbf93d43 100644 --- a/arch/i386/kernel/process.c +++ b/arch/i386/kernel/process.c @@ -712,6 +712,12 @@ struct task_struct fastcall * __switch_to(struct task_struct *prev_p, struct tas loadsegment(gs, next->gs); /* + * Restore IOPL if needed. + */ + if (unlikely(prev->iopl != next->iopl)) + set_iopl_mask(next->iopl); + + /* * Now maybe reload the debug registers */ if (unlikely(next->debugreg[7])) { |