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| author | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-09 20:14:47 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor_core@ameritech.net> | 2005-09-09 20:14:47 -0500 |
| commit | d344c5e0856ad03278d8700b503762dbc8b86e12 (patch) | |
| tree | a6d893a643470a3c2580a58f3228a55fa1fd1d82 /arch/i386/kernel/ioport.c | |
| parent | 010988e888a0abbe7118635c1b33d049caae6b29 (diff) | |
| parent | 87fc767b832ef5a681a0ff9d203c3289bc3be2bf (diff) | |
| download | talos-op-linux-d344c5e0856ad03278d8700b503762dbc8b86e12.tar.gz talos-op-linux-d344c5e0856ad03278d8700b503762dbc8b86e12.zip | |
Manual merge with Linus
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 8b25160393c1..f2b37654777f 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; } |
