#include <linux/sysdev.h>
#include <linux/cpu.h>
#include <linux/notifier.h>
+#include <linux/topology.h>
#include <asm/ptrace.h>
#include <asm/atomic.h>
int smt_enabled_at_boot = 1;
+static void (*crash_ipi_function_ptr)(struct pt_regs *) = NULL;
+
#ifdef CONFIG_MPIC
int __init smp_mpic_probe(void)
{
/* XXX Do we have to do this? */
set_need_resched();
break;
-#ifdef CONFIG_DEBUGGER
case PPC_MSG_DEBUGGER_BREAK:
+ if (crash_ipi_function_ptr) {
+ crash_ipi_function_ptr(regs);
+ break;
+ }
+#ifdef CONFIG_DEBUGGER
debugger_ipi(regs);
break;
-#endif
+#endif /* CONFIG_DEBUGGER */
+ /* FALLTHROUGH */
default:
printk("SMP %d: smp_message_recv(): unknown msg %d\n",
smp_processor_id(), msg);
}
#endif
+#ifdef CONFIG_KEXEC
+void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *))
+{
+ crash_ipi_function_ptr = crash_ipi_callback;
+ if (crash_ipi_callback) {
+ mb();
+ smp_ops->message_pass(MSG_ALL_BUT_SELF, PPC_MSG_DEBUGGER_BREAK);
+ }
+}
+#endif
+
static void stop_this_cpu(void *dummy)
{
local_irq_disable();
#ifdef CONFIG_PPC64
paca[cpu].__current = p;
#endif
- current_set[cpu] = p->thread_info;
- p->thread_info->cpu = cpu;
+ current_set[cpu] = task_thread_info(p);
+ task_thread_info(p)->cpu = cpu;
}
void __init smp_prepare_cpus(unsigned int max_cpus)
#ifdef CONFIG_PPC64
paca[boot_cpuid].__current = current;
#endif
- current_set[boot_cpuid] = current->thread_info;
+ current_set[boot_cpuid] = task_thread_info(current);
}
#ifdef CONFIG_HOTPLUG_CPU
if (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu))
return -EINVAL;
-#ifdef CONFIG_PPC64
- paca[cpu].default_decr = tb_ticks_per_jiffy;
-#endif
-
/* Make sure callin-map entry is 0 (can be leftover a CPU
* hotplug
*/
smp_ops->setup_cpu(boot_cpuid);
set_cpus_allowed(current, old_mask);
+
+ dump_numa_cpu_topology();
}
#ifdef CONFIG_HOTPLUG_CPU