diff options
Diffstat (limited to 'arch/ia64/kernel/crash.c')
| -rw-r--r-- | arch/ia64/kernel/crash.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index bc2f64d72244..37bb16f07fc3 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -52,7 +52,7 @@ extern void ia64_dump_cpu_regs(void *); static DEFINE_PER_CPU(struct elf_prstatus, elf_prstatus); void -crash_save_this_cpu() +crash_save_this_cpu(void) { void *buf; unsigned long cfm, sof, sol; @@ -79,6 +79,7 @@ crash_save_this_cpu() final_note(buf); } +#ifdef CONFIG_SMP static int kdump_wait_cpu_freeze(void) { @@ -91,6 +92,7 @@ kdump_wait_cpu_freeze(void) } return 1; } +#endif void machine_crash_shutdown(struct pt_regs *pt) @@ -116,6 +118,11 @@ machine_crash_shutdown(struct pt_regs *pt) static void machine_kdump_on_init(void) { + if (!ia64_kimage) { + printk(KERN_NOTICE "machine_kdump_on_init(): " + "kdump not configured\n"); + return; + } local_irq_disable(); kexec_disable_iosapic(); machine_kexec(ia64_kimage); @@ -132,11 +139,12 @@ kdump_cpu_freeze(struct unw_frame_info *info, void *arg) atomic_inc(&kdump_cpu_freezed); kdump_status[cpuid] = 1; mb(); - if (cpuid == 0) { - for (;;) - cpu_relax(); - } else +#ifdef CONFIG_HOTPLUG_CPU + if (cpuid != 0) ia64_jump_to_sal(&sal_boot_rendez_state[cpuid]); +#endif + for (;;) + cpu_relax(); } static int |