diff options
-rw-r--r-- | arch/arm/kernel/traps.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 66e5a0516f23..45e9ea6cd2a5 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c | |||
@@ -198,25 +198,16 @@ void show_stack(struct task_struct *tsk, unsigned long *sp) | |||
198 | barrier(); | 198 | barrier(); |
199 | } | 199 | } |
200 | 200 | ||
201 | DEFINE_SPINLOCK(die_lock); | 201 | static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs) |
202 | |||
203 | /* | ||
204 | * This function is protected against re-entrancy. | ||
205 | */ | ||
206 | NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) | ||
207 | { | 202 | { |
208 | struct task_struct *tsk = current; | 203 | struct task_struct *tsk = thread->task; |
209 | static int die_counter; | 204 | static int die_counter; |
210 | 205 | ||
211 | console_verbose(); | ||
212 | spin_lock_irq(&die_lock); | ||
213 | bust_spinlocks(1); | ||
214 | |||
215 | printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter); | 206 | printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter); |
216 | print_modules(); | 207 | print_modules(); |
217 | __show_regs(regs); | 208 | __show_regs(regs); |
218 | printk("Process %s (pid: %d, stack limit = 0x%p)\n", | 209 | printk("Process %s (pid: %d, stack limit = 0x%p)\n", |
219 | tsk->comm, tsk->pid, tsk->thread_info + 1); | 210 | tsk->comm, tsk->pid, thread + 1); |
220 | 211 | ||
221 | if (!user_mode(regs) || in_interrupt()) { | 212 | if (!user_mode(regs) || in_interrupt()) { |
222 | dump_mem("Stack: ", regs->ARM_sp, | 213 | dump_mem("Stack: ", regs->ARM_sp, |
@@ -224,7 +215,21 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) | |||
224 | dump_backtrace(regs, tsk); | 215 | dump_backtrace(regs, tsk); |
225 | dump_instr(regs); | 216 | dump_instr(regs); |
226 | } | 217 | } |
218 | } | ||
227 | 219 | ||
220 | DEFINE_SPINLOCK(die_lock); | ||
221 | |||
222 | /* | ||
223 | * This function is protected against re-entrancy. | ||
224 | */ | ||
225 | NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) | ||
226 | { | ||
227 | struct thread_info *thread = current_thread_info(); | ||
228 | |||
229 | console_verbose(); | ||
230 | spin_lock_irq(&die_lock); | ||
231 | bust_spinlocks(1); | ||
232 | __die(str, err, thread, regs); | ||
228 | bust_spinlocks(0); | 233 | bust_spinlocks(0); |
229 | spin_unlock_irq(&die_lock); | 234 | spin_unlock_irq(&die_lock); |
230 | do_exit(SIGSEGV); | 235 | do_exit(SIGSEGV); |