ARM: update die() output

Make die() better match x86:
- add printing of the last accessed sysfs file
- ensure console_verbose() is called under the lock
- ensure we panic outside of oops_exit()

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index b551b65..f838f36 100644 (file)
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -231,6 +231,7 @@ static void __die(const char *str, int err, struct thread_info *thread, struct p
 
        printk(KERN_EMERG "Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n",
               str, err, ++die_counter);
+       sysfs_printk_last_file();
        print_modules();
        __show_regs(regs);
        printk(KERN_EMERG "Process %.*s (pid: %d, stack limit = 0x%p)\n",
@@ -255,13 +256,14 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 
        oops_enter();
 
-       console_verbose();
        spin_lock_irq(&die_lock);
+       console_verbose();
        bust_spinlocks(1);
        __die(str, err, thread, regs);
        bust_spinlocks(0);
        add_taint(TAINT_DIE);
        spin_unlock_irq(&die_lock);
+       oops_exit();
 
        if (in_interrupt())
                panic("Fatal exception in interrupt");
@@ -269,7 +271,6 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
        if (panic_on_oops)
                panic("Fatal exception");
 
-       oops_exit();
        do_exit(SIGSEGV);
 }