1 files changed, 10 insertions, 8 deletions

diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 90faae5c5d30..7d500da0e63b 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -1193,11 +1193,11 @@ EXPORT_SYMBOL(switch_ipi_to_APIC_timer);
  * value into /proc/profile.
  */
 
-inline void smp_local_timer_interrupt(struct pt_regs * regs)
+inline void smp_local_timer_interrupt(void)
 {
-        profile_tick(CPU_PROFILING, regs);
+        profile_tick(CPU_PROFILING);
 #ifdef CONFIG_SMP
-        update_process_times(user_mode_vm(regs));
+        update_process_times(user_mode_vm(irq_regs));
 #endif
 
         /*
@@ -1223,6 +1223,7 @@ inline void smp_local_timer_interrupt(struct pt_regs * regs)
 
 fastcall void smp_apic_timer_interrupt(struct pt_regs *regs)
 {
+        struct pt_regs *old_regs = set_irq_regs(regs);
         int cpu = smp_processor_id();
 
         /*
@@ -1241,12 +1242,13 @@ fastcall void smp_apic_timer_interrupt(struct pt_regs *regs)
          * interrupt lock, which is the WrongThing (tm) to do.
          */
         irq_enter();
-        smp_local_timer_interrupt(regs);
+        smp_local_timer_interrupt();
         irq_exit();
+        set_irq_regs(old_regs);
 }
 
 #ifndef CONFIG_SMP
-static void up_apic_timer_interrupt_call(struct pt_regs *regs)
+static void up_apic_timer_interrupt_call(void)
 {
         int cpu = smp_processor_id();
 
@@ -1255,11 +1257,11 @@ static void up_apic_timer_interrupt_call(struct pt_regs *regs)
          */
         per_cpu(irq_stat, cpu).apic_timer_irqs++;
 
-        smp_local_timer_interrupt(regs);
+        smp_local_timer_interrupt();
 }
 #endif
 
-void smp_send_timer_broadcast_ipi(struct pt_regs *regs)
+void smp_send_timer_broadcast_ipi(void)
 {
         cpumask_t mask;
 
@@ -1272,7 +1274,7 @@ void smp_send_timer_broadcast_ipi(struct pt_regs *regs)
                  * We can directly call the apic timer interrupt handler
                  * in UP case. Minus all irq related functions
                  */
-                up_apic_timer_interrupt_call(regs);
+                up_apic_timer_interrupt_call();
 #endif
         }
 }