1 files changed, 5 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index 8b505eaaa38a..e73d554538dd 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -49,8 +49,13 @@ extern void iseries_handle_interrupts(void);
 #define raw_irqs_disabled()             (local_get_flags() == 0)
 #define raw_irqs_disabled_flags(flags)  ((flags) == 0)
 
+#ifdef CONFIG_PPC_BOOK3E
+#define __hard_irq_enable()     __asm__ __volatile__("wrteei 1": : :"memory");
+#define __hard_irq_disable()    __asm__ __volatile__("wrteei 0": : :"memory");
+#else
 #define __hard_irq_enable()     __mtmsrd(mfmsr() | MSR_EE, 1)
 #define __hard_irq_disable()    __mtmsrd(mfmsr() & ~MSR_EE, 1)
+#endif
 
 #define  hard_irq_disable()                     \
         do {                                    \