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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-06-17 14:38:27 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-06-17 14:40:39 +0200 |
| commit | d9202429e60d16d39c427cd4e4408cf1827ab9e9 (patch) | |
| tree | 2b080c06880cca1881b506b9436b01129b768724 /arch | |
| parent | Linux 2.6.22-rc5 (diff) | |
| download | linux-d9202429e60d16d39c427cd4e4408cf1827ab9e9.tar.xz linux-d9202429e60d16d39c427cd4e4408cf1827ab9e9.zip | |
[ARM] Add support for pause_on_oops and display preempt/smp options
Add calls to oops_enter() and oops_exit() to __die(), so that
things like lockdep know when an oops occurs.
Add suffixes to the oops report to indicate whether the running
kernel has been built with preempt or smp support.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/kernel/traps.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 10ff36e4e414..1b68d365d0e1 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -204,12 +204,24 @@ void show_stack(struct task_struct *tsk, unsigned long *sp) barrier(); } +#ifdef CONFIG_PREEMPT +#define S_PREEMPT " PREEMPT" +#else +#define S_PREEMPT "" +#endif +#ifdef CONFIG_SMP +#define S_SMP " SMP" +#else +#define S_SMP "" +#endif + static void __die(const char *str, int err, struct thread_info *thread, struct pt_regs *regs) { struct task_struct *tsk = thread->task; static int die_counter; - printk("Internal error: %s: %x [#%d]\n", str, err, ++die_counter); + printk("Internal error: %s: %x [#%d]" S_PREEMPT S_SMP "\n", + str, err, ++die_counter); print_modules(); __show_regs(regs); printk("Process %s (pid: %d, stack limit = 0x%p)\n", @@ -232,6 +244,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) { struct thread_info *thread = current_thread_info(); + oops_enter(); + console_verbose(); spin_lock_irq(&die_lock); bust_spinlocks(1); @@ -239,9 +253,13 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err) bust_spinlocks(0); spin_unlock_irq(&die_lock); + if (in_interrupt()) + panic("Fatal exception in interrupt"); + if (panic_on_oops) panic("Fatal exception"); + oops_exit(); do_exit(SIGSEGV); } |