diff options
| -rw-r--r-- | arch/ppc/kernel/traps.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c index ed5c7acdca7..aec225b402a 100644 --- a/arch/ppc/kernel/traps.c +++ b/arch/ppc/kernel/traps.c @@ -805,6 +805,13 @@ void AltivecAssistException(struct pt_regs *regs) if (regs->msr & MSR_VEC) giveup_altivec(current); preempt_enable(); + if (!user_mode(regs)) { + printk(KERN_ERR "altivec assist exception in kernel mode" + " at %lx\n", regs->nip); + debugger(regs); + die("altivec assist exception", regs, SIGFPE); + return; + } err = emulate_altivec(regs); if (err == 0) { |