diff -NurpP --minimal linux-2.6.18.1-vs2.1.1-rc42/arch/alpha/kernel/irq.c linux-2.6.18.1-vs2.1.1-rc42.1/arch/alpha/kernel/irq.c
--- linux-2.6.18.1-vs2.1.1-rc42/arch/alpha/kernel/irq.c	2006-09-20 16:57:57 +0200
+++ linux-2.6.18.1-vs2.1.1-rc42.1/arch/alpha/kernel/irq.c	2006-10-23 04:25:59 +0200
@@ -26,6 +26,7 @@
 #include <linux/seq_file.h>
 #include <linux/profile.h>
 #include <linux/bitops.h>
+#include <linux/vs_context.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -140,6 +141,7 @@ handle_irq(int irq, struct pt_regs * reg
 	 * handled by some other CPU. (or is disabled)
 	 */
 	static unsigned int illegal_count=0;
+	struct vx_info_save vxis;
 	
 	if ((unsigned) irq > ACTUAL_NR_IRQS && illegal_count < MAX_ILLEGAL_IRQS ) {
 		irq_err_count++;
@@ -157,6 +159,8 @@ handle_irq(int irq, struct pt_regs * reg
 	 * at IPL 0.
 	 */
 	local_irq_disable();
+	__enter_vx_admin(&vxis);
 	__do_IRQ(irq, regs);
+	__leave_vx_admin(&vxis);
 	irq_exit();
 }
diff -NurpP --minimal linux-2.6.18.1-vs2.1.1-rc42/arch/v850/kernel/irq.c linux-2.6.18.1-vs2.1.1-rc42.1/arch/v850/kernel/irq.c
--- linux-2.6.18.1-vs2.1.1-rc42/arch/v850/kernel/irq.c	2006-09-20 16:58:06 +0200
+++ linux-2.6.18.1-vs2.1.1-rc42.1/arch/v850/kernel/irq.c	2006-10-23 04:27:27 +0200
@@ -23,6 +23,7 @@
 #include <linux/mm.h>
 #include <linux/random.h>
 #include <linux/seq_file.h>
+#include <linux/vs_context.h>
 
 #include <asm/system.h>
 
@@ -100,8 +101,12 @@ int show_interrupts(struct seq_file *p, 
    interrupt.  */
 unsigned int handle_irq (int irq, struct pt_regs *regs)
 {
+	struct vx_info_save vxis;
+
 	irq_enter();
+	__enter_vx_admin(&vxis);
 	__do_IRQ(irq, regs);
+	__leave_vx_admin(&vxis);
 	irq_exit();
 	return 1;
 }