diff options
Diffstat (limited to 'arch/powerpc/kernel/traps.c')
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index bd5de5d..f829e05 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1168,6 +1168,27 @@ void vsx_unavailable_exception(struct pt_regs *regs) die("Unrecoverable VSX Unavailable Exception", regs, SIGABRT); } +void tm_unavailable_exception(struct pt_regs *regs) +{ + /* We restore the interrupt state now */ + if (!arch_irq_disabled_regs(regs)) + local_irq_enable(); + + /* Currently we never expect a TMU exception. Catch + * this and kill the process! + */ + printk(KERN_EMERG "Unexpected TM unavailable exception at %lx " + "(msr %lx)\n", + regs->nip, regs->msr); + + if (user_mode(regs)) { + _exception(SIGILL, regs, ILL_ILLOPC, regs->nip); + return; + } + + die("Unexpected TM unavailable exception", regs, SIGABRT); +} + void performance_monitor_exception(struct pt_regs *regs) { __get_cpu_var(irq_stat).pmu_irqs++; |