1.1 --- a/xen/arch/x86/traps.c	Sat Feb 05 12:43:14 2005 +0000
     1.2 +++ b/xen/arch/x86/traps.c	Sat Feb 05 12:52:28 2005 +0000
     1.3 @@ -567,14 +567,14 @@ asmlinkage void io_check_error(struct xe
     1.4      fatal_trap(TRAP_nmi, regs);
     1.5  }
     1.6  
     1.7 -static void unknown_nmi_error(unsigned char reason, struct xen_regs * regs)
     1.8 +static void unknown_nmi_error(unsigned char reason)
     1.9  {
    1.10      printk("Uhhuh. NMI received for unknown reason %02x.\n", reason);
    1.11      printk("Dazed and confused, but trying to continue\n");
    1.12      printk("Do you have a strange power saving mode enabled?\n");
    1.13  }
    1.14  
    1.15 -asmlinkage void do_nmi(struct xen_regs * regs, unsigned long reason)
    1.16 +asmlinkage void do_nmi(struct xen_regs *regs, unsigned long reason)
    1.17  {
    1.18      ++nmi_count(smp_processor_id());
    1.19  
    1.20 @@ -583,7 +583,7 @@ asmlinkage void do_nmi(struct xen_regs *
    1.21          nmi_watchdog_tick(regs);
    1.22      else
    1.23  #endif
    1.24 -        unknown_nmi_error((unsigned char)(reason&0xff), regs);
    1.25 +        unknown_nmi_error((unsigned char)(reason&0xff));
    1.26  }
    1.27  
    1.28  unsigned long nmi_softirq_reason;
    1.29 @@ -671,6 +671,13 @@ asmlinkage int do_spurious_interrupt_bug
    1.30      return EXCRET_not_a_fault;
    1.31  }
    1.32  
    1.33 +BUILD_SMP_INTERRUPT(deferred_nmi, TRAP_deferred_nmi)
    1.34 +asmlinkage void smp_deferred_nmi(struct xen_regs regs)
    1.35 +{
    1.36 +    ack_APIC_irq();
    1.37 +    do_nmi(&regs, 0);
    1.38 +}
    1.39 +
    1.40  void set_intr_gate(unsigned int n, void *addr)
    1.41  {
    1.42      _set_gate(idt_table+n,14,0,addr);
    1.43 @@ -728,7 +735,7 @@ void __init trap_init(void)
    1.44      set_intr_gate(TRAP_alignment_check,&alignment_check);
    1.45      set_intr_gate(TRAP_machine_check,&machine_check);
    1.46      set_intr_gate(TRAP_simd_error,&simd_coprocessor_error);
    1.47 -    set_intr_gate(TRAP_deferred_nmi,&nmi);
    1.48 +    set_intr_gate(TRAP_deferred_nmi,&deferred_nmi);
    1.49  
    1.50  #if defined(__i386__)
    1.51      _set_gate(idt_table+HYPERCALL_VECTOR, 14, 1, &hypercall);

     2.1 --- a/xen/common/schedule.c	Sat Feb 05 12:43:14 2005 +0000
     2.2 +++ b/xen/common/schedule.c	Sat Feb 05 12:52:28 2005 +0000
     2.3 @@ -373,13 +373,6 @@ void __enter_scheduler(void)
     2.4      task_slice_t        next_slice;
     2.5      s32                 r_time;     /* time for new dom to run */
     2.6  
     2.7 -    if ( !is_idle_task(current->domain) )
     2.8 -    {
     2.9 -        LOCK_BIGLOCK(current->domain);
    2.10 -        cleanup_writable_pagetable(prev->domain);
    2.11 -        UNLOCK_BIGLOCK(current->domain);
    2.12 -    }
    2.13 -
    2.14      perfc_incrc(sched_run);
    2.15      
    2.16      spin_lock_irq(&schedule_data[cpu].schedule_lock);
    2.17 @@ -429,6 +422,13 @@ void __enter_scheduler(void)
    2.18      
    2.19      perfc_incrc(sched_ctx);
    2.20  
    2.21 +    if ( !is_idle_task(current->domain) )
    2.22 +    {
    2.23 +        LOCK_BIGLOCK(current->domain);
    2.24 +        cleanup_writable_pagetable(prev->domain);
    2.25 +        UNLOCK_BIGLOCK(current->domain);
    2.26 +    }
    2.27 +
    2.28  #if defined(WAKE_HISTO)
    2.29      if ( !is_idle_task(next) && next->wokenup ) {
    2.30          ulong diff = (ulong)(now - next->wokenup);