diff options
| author | Len Brown <len.brown@intel.com> | 2005-09-08 01:45:47 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-09-08 01:45:47 -0400 |
| commit | 64e47488c913ac704d465a6af86a26786d1412a5 (patch) | |
| tree | d3b0148592963dcde26e4bb35ddfec8b1eaf8e23 /arch/i386/kernel/ioport.c | |
| parent | 4a35a46bf1cda4737c428380d1db5d15e2590d18 (diff) | |
| parent | caf39e87cc1182f7dae84eefc43ca14d54c78ef9 (diff) | |
Merge linux-2.6 with linux-acpi-2.6
Diffstat (limited to 'arch/i386/kernel/ioport.c')
| -rw-r--r-- | arch/i386/kernel/ioport.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/i386/kernel/ioport.c b/arch/i386/kernel/ioport.c index 8b25160393c..f2b37654777 100644 --- a/arch/i386/kernel/ioport.c +++ b/arch/i386/kernel/ioport.c @@ -132,6 +132,7 @@ asmlinkage long sys_iopl(unsigned long unused) volatile struct pt_regs * regs = (struct pt_regs *) &unused; unsigned int level = regs->ebx; unsigned int old = (regs->eflags >> 12) & 3; + struct thread_struct *t = ¤t->thread; if (level > 3) return -EINVAL; @@ -140,8 +141,8 @@ asmlinkage long sys_iopl(unsigned long unused) if (!capable(CAP_SYS_RAWIO)) return -EPERM; } - regs->eflags = (regs->eflags &~ 0x3000UL) | (level << 12); - /* Make sure we return the long way (not sysenter) */ - set_thread_flag(TIF_IRET); + t->iopl = level << 12; + regs->eflags = (regs->eflags & ~X86_EFLAGS_IOPL) | t->iopl; + set_iopl_mask(t->iopl); return 0; } |