ftrace, POWERPC: add irqs_disabled_flags to ppc

PPC doesn't have the irqs_disabled_flags needed by ftrace.
This patch adds it.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/include/asm-powerpc/hw_irq.h b/include/asm-powerpc/hw_irq.h
index ad8c9f7fd0e3..f75a5fc64d2e 100644
--- a/include/asm-powerpc/hw_irq.h
+++ b/include/asm-powerpc/hw_irq.h
@@ -59,6 +59,11 @@ extern void iseries_handle_interrupts(void);
                 get_paca()->hard_enabled = 0;   \
         } while(0)
 
+static inline int irqs_disabled_flags(unsigned long flags)
+{
+        return flags == 0;
+}
+
 #else
 
 #if defined(CONFIG_BOOKE)
@@ -113,6 +118,11 @@ static inline void local_irq_save_ptr(unsigned long *flags)
 #define hard_irq_enable()       local_irq_enable()
 #define hard_irq_disable()      local_irq_disable()
 
+static inline int irqs_disabled_flags(unsigned long flags)
+{
+        return (flags & MSR_EE) == 0;
+}
+
 #endif /* CONFIG_PPC64 */
 
 /*