[IA64] kdump on INIT needs multi-nodes sync-up (v.2)

[linux-2.6-omap-h63xx.git] / arch / ia64 / kernel / mca.c

diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 6bedd97570ca97dceddbd7ab46270160e5a1f771..93e82e4d99d6e3497317464af5e375c1c37fe86d 100644 (file)
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -63,7 +63,6 @@
 #include <linux/sched.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
-#include <linux/smp_lock.h>
 #include <linux/bootmem.h>
 #include <linux/acpi.h>
 #include <linux/timer.h>
@@ -72,9 +71,9 @@
 #include <linux/smp.h>
 #include <linux/workqueue.h>
 #include <linux/cpumask.h>
+#include <linux/kdebug.h>
 
 #include <asm/delay.h>
-#include <asm/kdebug.h>
 #include <asm/machvec.h>
 #include <asm/meminit.h>
 #include <asm/page.h>
@@ -82,6 +81,7 @@
 #include <asm/system.h>
 #include <asm/sal.h>
 #include <asm/mca.h>
+#include <asm/kexec.h>
 
 #include <asm/irq.h>
 #include <asm/hw_irq.h>
@@ -118,7 +118,9 @@ static ia64_mc_info_t               ia64_mc_info;
 #define CPE_HISTORY_LENGTH    5
 #define CMC_HISTORY_LENGTH    5
 
+#ifdef CONFIG_ACPI
 static struct timer_list cpe_poll_timer;
+#endif
 static struct timer_list cmc_poll_timer;
 /*
  * This variable tells whether we are currently in polling mode.
@@ -1191,8 +1193,6 @@ void
 ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
                 struct ia64_sal_os_state *sos)
 {
-       pal_processor_state_info_t *psp = (pal_processor_state_info_t *)
-               &sos->proc_state_param;
        int recover, cpu = smp_processor_id();
        struct task_struct *previous_current;
        struct ia64_mca_notify_die nd =
@@ -1222,10 +1222,8 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
        /* Get the MCA error record and log it */
        ia64_mca_log_sal_error_record(SAL_INFO_TYPE_MCA);
 
-       /* TLB error is only exist in this SAL error record */
-       recover = (psp->tc && !(psp->cc || psp->bc || psp->rc || psp->uc))
-       /* other error recovery */
-          || (ia64_mca_ucmc_extension
+       /* MCA error recovery */
+       recover = (ia64_mca_ucmc_extension
                && ia64_mca_ucmc_extension(
                        IA64_LOG_CURR_BUFFER(SAL_INFO_TYPE_MCA),
                        sos));
@@ -1238,6 +1236,10 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
        } else {
                /* Dump buffered message to console */
                ia64_mlogbuf_finish(1);
+#ifdef CONFIG_KEXEC
+               atomic_set(&kdump_in_progress, 1);
+               monarch_cpu = -1;
+#endif
        }
        if (notify_die(DIE_MCA_MONARCH_LEAVE, "MCA", regs, (long)&nd, 0, recover)
                        == NOTIFY_STOP)
@@ -1475,6 +1477,10 @@ default_monarch_init_process(struct notifier_block *self, unsigned long val, voi
        struct task_struct *g, *t;
        if (val != DIE_INIT_MONARCH_PROCESS)
                return NOTIFY_DONE;
+#ifdef CONFIG_KEXEC
+       if (atomic_read(&kdump_in_progress))
+               return NOTIFY_DONE;
+#endif
 
        /*
         * FIXME: mlogbuf will brim over with INIT stack dumps.
@@ -1689,7 +1695,7 @@ format_mca_init_stack(void *mca_data, unsigned long offset,
        ti->preempt_count = 1;
        ti->task = p;
        ti->cpu = cpu;
-       p->thread_info = ti;
+       p->stack = ti;
        p->state = TASK_UNINTERRUPTIBLE;
        cpu_set(cpu, p->cpus_allowed);
        INIT_LIST_HEAD(&p->tasks);