diff options
Diffstat (limited to 'arch/ia64/kernel/crash.c')
| -rw-r--r-- | arch/ia64/kernel/crash.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c index aeb79fb28f0..1d64ef478dd 100644 --- a/arch/ia64/kernel/crash.c +++ b/arch/ia64/kernel/crash.c @@ -156,24 +156,30 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data) if (!kdump_on_init) return NOTIFY_DONE; - if (val != DIE_INIT_MONARCH_ENTER && - val != DIE_INIT_SLAVE_ENTER && + if (val != DIE_INIT_MONARCH_LEAVE && + val != DIE_INIT_SLAVE_LEAVE && + val != DIE_INIT_MONARCH_PROCESS && val != DIE_MCA_RENDZVOUS_LEAVE && val != DIE_MCA_MONARCH_LEAVE) return NOTIFY_DONE; nd = (struct ia64_mca_notify_die *)args->err; - /* Reason code 1 means machine check rendezous*/ - if ((val == DIE_INIT_MONARCH_ENTER || val == DIE_INIT_SLAVE_ENTER) && - nd->sos->rv_rc == 1) + /* Reason code 1 means machine check rendezvous*/ + if ((val == DIE_INIT_MONARCH_LEAVE || val == DIE_INIT_SLAVE_LEAVE + || val == DIE_INIT_MONARCH_PROCESS) && nd->sos->rv_rc == 1) return NOTIFY_DONE; switch (val) { - case DIE_INIT_MONARCH_ENTER: + case DIE_INIT_MONARCH_PROCESS: + atomic_set(&kdump_in_progress, 1); + *(nd->monarch_cpu) = -1; + break; + case DIE_INIT_MONARCH_LEAVE: machine_kdump_on_init(); break; - case DIE_INIT_SLAVE_ENTER: - unw_init_running(kdump_cpu_freeze, NULL); + case DIE_INIT_SLAVE_LEAVE: + if (atomic_read(&kdump_in_progress)) + unw_init_running(kdump_cpu_freeze, NULL); break; case DIE_MCA_RENDZVOUS_LEAVE: if (atomic_read(&kdump_in_progress)) @@ -215,8 +221,10 @@ static ctl_table sys_table[] = { static int machine_crash_setup(void) { + /* be notified before default_monarch_init_process */ static struct notifier_block kdump_init_notifier_nb = { .notifier_call = kdump_init_notifier, + .priority = 1, }; int ret; if((ret = register_die_notifier(&kdump_init_notifier_nb)) != 0) |