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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-10-30 19:01:43 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2005-10-30 19:01:43 +0000
commitd362979aa2b031b91ee12122e5c4cad89577d8d3 (patch)
tree45b418415e77f104f8d90f2fb4c99b1acc9fb365 /arch/arm/kernel/traps.c
parentdc07845d0ce20d771fb96b0a5db57ffec2a89d3e (diff)
[ARM] Re-organise die()
Provide __die() which can be called from various contexts to provide an oops report. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/traps.c')
-rw-r--r--arch/arm/kernel/traps.c29
1 files changed, 17 insertions, 12 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 66e5a0516f2..45e9ea6cd2a 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)
barrier();
}
-DEFINE_SPINLOCK(die_lock);
-
-/*
- * This function is protected against re-entrancy.
- */
-NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
+static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs)
{
- struct task_struct *tsk = current;
+ struct task_struct *tsk = thread->task;
static int die_counter;
- console_verbose();
- spin_lock_irq(&die_lock);
- bust_spinlocks(1);
-
printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter);
print_modules();
__show_regs(regs);
printk("Process %s (pid: %d, stack limit = 0x%p)\n",
- tsk->comm, tsk->pid, tsk->thread_info + 1);
+ tsk->comm, tsk->pid, thread + 1);
if (!user_mode(regs) || in_interrupt()) {
dump_mem("Stack: ", regs->ARM_sp,
@@ -224,7 +215,21 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
dump_backtrace(regs, tsk);
dump_instr(regs);
}
+}
+DEFINE_SPINLOCK(die_lock);
+
+/*
+ * This function is protected against re-entrancy.
+ */
+NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
+{
+ struct thread_info *thread = current_thread_info();
+
+ console_verbose();
+ spin_lock_irq(&die_lock);
+ bust_spinlocks(1);
+ __die(str, err, thread, regs);
bust_spinlocks(0);
spin_unlock_irq(&die_lock);
do_exit(SIGSEGV);