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-rw-r--r--kernel/sched.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/kernel/sched.c b/kernel/sched.c
index af02a4de069b..d1e6663d3ab0 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -66,6 +66,7 @@
66#include <linux/pagemap.h> 66#include <linux/pagemap.h>
67 67
68#include <asm/tlb.h> 68#include <asm/tlb.h>
69#include <asm/irq_regs.h>
69 70
70/* 71/*
71 * Scheduler clock - returns current time in nanosec units. 72 * Scheduler clock - returns current time in nanosec units.
@@ -3507,12 +3508,19 @@ EXPORT_SYMBOL(sub_preempt_count);
3507 */ 3508 */
3508static noinline void __schedule_bug(struct task_struct *prev) 3509static noinline void __schedule_bug(struct task_struct *prev)
3509{ 3510{
3510 printk(KERN_ERR "BUG: scheduling while atomic: %s/0x%08x/%d\n", 3511 struct pt_regs *regs = get_irq_regs();
3511 prev->comm, preempt_count(), task_pid_nr(prev)); 3512
3513 printk(KERN_ERR "BUG: scheduling while atomic: %s/%d/0x%08x\n",
3514 prev->comm, prev->pid, preempt_count());
3515
3512 debug_show_held_locks(prev); 3516 debug_show_held_locks(prev);
3513 if (irqs_disabled()) 3517 if (irqs_disabled())
3514 print_irqtrace_events(prev); 3518 print_irqtrace_events(prev);
3515 dump_stack(); 3519
3520 if (regs)
3521 show_regs(regs);
3522 else
3523 dump_stack();
3516} 3524}
3517 3525
3518/* 3526/*