#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/fs.h>
#include <linux/smp.h>
#include <linux/stddef.h>
#include <linux/unistd.h>
#include <asm/processor.h>
#include <asm/irq.h>
#include <asm/timer.h>
+#include <asm/cpu.h>
asmlinkage void ret_from_fork(void) asm ("ret_from_fork");
void do_monitor_call(struct pt_regs *regs, long interruption_code)
{
+#ifdef CONFIG_SMP
+ struct s390_idle_data *idle;
+
+ idle = &__get_cpu_var(s390_idle);
+ spin_lock(&idle->lock);
+ idle->idle_time += get_clock() - idle->idle_enter;
+ idle->in_idle = 0;
+ spin_unlock(&idle->lock);
+#endif
/* disable monitor call class 0 */
__ctl_clear_bit(8, 15);
static void default_idle(void)
{
int cpu, rc;
+#ifdef CONFIG_SMP
+ struct s390_idle_data *idle;
+#endif
/* CPU is going idle. */
cpu = smp_processor_id();
s390_handle_mcck();
return;
}
-
+#ifdef CONFIG_SMP
+ idle = &__get_cpu_var(s390_idle);
+ spin_lock(&idle->lock);
+ idle->idle_count++;
+ idle->in_idle = 1;
+ idle->idle_enter = get_clock();
+ spin_unlock(&idle->lock);
+#endif
trace_hardirqs_on();
/* Wait for external, I/O or machine check interrupt. */
__load_psw_mask(psw_kernel_bits | PSW_MASK_WAIT |
printk("CPU: %d %s\n", task_thread_info(tsk)->cpu, print_tainted());
printk("Process %s (pid: %d, task: %p, ksp: %p)\n",
- current->comm, current->pid, (void *) tsk,
+ current->comm, task_pid_nr(current), (void *) tsk,
(void *) tsk->thread.ksp);
show_registers(regs);
save_fp_regs(¤t->thread.fp_regs);
memcpy(&p->thread.fp_regs, ¤t->thread.fp_regs,
sizeof(s390_fp_regs));
- p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _SEGMENT_TABLE;
/* Set a new TLS ? */
if (clone_flags & CLONE_SETTLS)
p->thread.acrs[0] = regs->gprs[6];
#else /* CONFIG_64BIT */
/* Save the fpu registers to new thread structure. */
save_fp_regs(&p->thread.fp_regs);
- p->thread.user_seg = __pa((unsigned long) p->mm->pgd) | _REGION_TABLE;
/* Set a new TLS ? */
if (clone_flags & CLONE_SETTLS) {
if (test_thread_flag(TIF_31BIT)) {