diff options
| -rw-r--r-- | arch/powerpc/include/asm/bug.h | 3 | ||||
| -rw-r--r-- | arch/powerpc/kernel/traps.c | 24 | ||||
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal.c | 18 | ||||
| -rw-r--r-- | arch/powerpc/platforms/ps3/setup.c | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/pseries/setup.c | 8 |
5 files changed, 38 insertions, 16 deletions
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h index 97c38472b924..fd06dbe7d7d3 100644 --- a/arch/powerpc/include/asm/bug.h +++ b/arch/powerpc/include/asm/bug.h @@ -136,7 +136,8 @@ extern void _exception(int, struct pt_regs *, int, unsigned long); extern void _exception_pkey(int, struct pt_regs *, int, unsigned long, int); extern void die(const char *, struct pt_regs *, long); extern bool die_will_crash(void); - +extern void panic_flush_kmsg_start(void); +extern void panic_flush_kmsg_end(void); #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ 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; diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 69b5263fc9e3..c15182765ff5 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -461,24 +461,14 @@ static int opal_recover_mce(struct pt_regs *regs, void pnv_platform_error_reboot(struct pt_regs *regs, const char *msg) { - /* - * This is 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); + panic_flush_kmsg_start(); + pr_emerg("Hardware platform error: %s\n", msg); if (regs) show_regs(regs); smp_send_stop(); - printk_safe_flush_on_panic(); - kmsg_dump(KMSG_DUMP_PANIC); - bust_spinlocks(0); - debug_locks_off(); - console_flush_on_panic(); + + panic_flush_kmsg_end(); /* * Don't bother to shut things down because this will diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c index 6244bc849469..77a37520068d 100644 --- a/arch/powerpc/platforms/ps3/setup.c +++ b/arch/powerpc/platforms/ps3/setup.c @@ -113,6 +113,7 @@ static void ps3_panic(char *str) printk(" System does not reboot automatically.\n"); printk(" Please press POWER button.\n"); printk("\n"); + panic_flush_kmsg_end(); while(1) lv1_pause(1); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index db76963e693d..42e9cf0b3180 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -533,6 +533,12 @@ static void __init pSeries_setup_arch(void) ppc_md.pcibios_root_bridge_prepare = pseries_root_bridge_prepare; } +static void pseries_panic(char *str) +{ + panic_flush_kmsg_end(); + rtas_os_term(str); +} + static int __init pSeries_init_panel(void) { /* Manually leave the kernel version on the panel. */ @@ -761,7 +767,7 @@ define_machine(pseries) { .pcibios_fixup = pSeries_final_fixup, .restart = rtas_restart, .halt = rtas_halt, - .panic = rtas_os_term, + .panic = pseries_panic, .get_boot_time = rtas_get_boot_time, .get_rtc_time = rtas_get_rtc_time, .set_rtc_time = rtas_set_rtc_time, |