diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 39f07aec640c..5a4e1bb8fb1b 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -48,4 +48,7 @@ extern int cp0_compare_irq; extern int cp0_compare_irq_shift; extern int cp0_perfcount_irq; +void arch_trigger_all_cpu_backtrace(bool); +#define arch_trigger_all_cpu_backtrace arch_trigger_all_cpu_backtrace + #endif /* _ASM_IRQ_H */ diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index d0e77b2470cb..eb76434828e8 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -42,6 +42,7 @@ #include #include #include +#include #ifdef CONFIG_HOTPLUG_CPU void arch_cpu_idle_dead(void) @@ -532,3 +533,20 @@ unsigned long arch_align_stack(unsigned long sp) return sp & ALMASK; } + +static void arch_dump_stack(void *info) +{ + struct pt_regs *regs; + + regs = get_irq_regs(); + + if (regs) + show_regs(regs); + + dump_stack(); +} + +void arch_trigger_all_cpu_backtrace(bool include_self) +{ + smp_call_function(arch_dump_stack, NULL, 1); +}