diff options
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r-- | arch/powerpc/kernel/traps.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index cb07d6519783..4260c73461a3 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -39,6 +39,8 @@ #include <linux/ratelimit.h> #include <linux/context_tracking.h> #include <linux/smp.h> +#include <linux/console.h> +#include <linux/kmsg_dump.h> #include <asm/emulated_ops.h> #include <asm/pgtable.h> @@ -143,6 +145,28 @@ static int die_owner = -1; static unsigned int die_nest_count; static int die_counter; +extern void panic_flush_kmsg_start(void) +{ + /* + * These are mostly taken from kernel/panic.c, but tries to do + * relatively minimal work. Don't use delay functions (TB may + * be broken), don't crash dump (need to set a firmware log), + * don't run notifiers. We do want to get some information to + * Linux console. + */ + console_verbose(); + bust_spinlocks(1); +} + +extern void panic_flush_kmsg_end(void) +{ + printk_safe_flush_on_panic(); + kmsg_dump(KMSG_DUMP_PANIC); + bust_spinlocks(0); + debug_locks_off(); + console_flush_on_panic(); +} + static unsigned long oops_begin(struct pt_regs *regs) { int cpu; |