3 files changed, 10 insertions, 4 deletions

diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 7852382de2f..f07c0864b0b 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -194,8 +194,11 @@ void fixup_irqs(void)
          */
         for (irq=0; irq < NR_IRQS; irq++) {
                 if (vectors_in_migration[irq]) {
+                        struct pt_regs *old_regs = set_irq_regs(NULL);
+
                         vectors_in_migration[irq]=0;
-                        __do_IRQ(irq, NULL);
+                        __do_IRQ(irq);
+                        set_irq_regs(old_regs);
                 }
         }
 
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 7fd3ef9e064..68339dd0c9e 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -226,6 +226,8 @@ void ia64_process_pending_intr(void)
           */
         while (vector != IA64_SPURIOUS_INT_VECTOR) {
                 if (!IS_RESCHEDULE(vector)) {
+                        struct pt_regs *old_regs = set_irq_regs(NULL);
+
                         ia64_setreg(_IA64_REG_CR_TPR, vector);
                         ia64_srlz_d();
 
@@ -236,7 +238,8 @@ void ia64_process_pending_intr(void)
                          * Probably could shared code.
                          */
                         vectors_in_migration[local_vector_to_irq(vector)]=0;
-                        __do_IRQ(local_vector_to_irq(vector), NULL);
+                        __do_IRQ(local_vector_to_irq(vector));
+                        set_irq_regs(old_regs);
 
                         /*
                          * Disable interrupts and send EOI
@@ -253,7 +256,7 @@ void ia64_process_pending_intr(void)
 
 
 #ifdef CONFIG_SMP
-extern irqreturn_t handle_IPI (int irq, void *dev_id, struct pt_regs *regs);
+extern irqreturn_t handle_IPI (int irq, void *dev_id);
 
 static struct irqaction ipi_irqaction = {
         .handler =      handle_IPI,
diff --git a/arch/ia64/sn/kernel/sn2/timer_interrupt.c b/arch/ia64/sn/kernel/sn2/timer_interrupt.c
index fa7f6994591..103d6ea8e94 100644
--- a/arch/ia64/sn/kernel/sn2/timer_interrupt.c
+++ b/arch/ia64/sn/kernel/sn2/timer_interrupt.c
@@ -36,7 +36,7 @@ extern irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
 
 #define SN_LB_INT_WAR_INTERVAL 100
 
-void sn_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+void sn_timer_interrupt(int irq, void *dev_id)
 {
         /* LED blinking */
         if (!pda->hb_count--) {