include/linux/smp.h:on_each_cpu(): switch back to a C function

Revert commit c846ef7deba2 ("include/linux/smp.h:on_each_cpu(): switch
back to a macro").  It turns out that the problematic linux/irqflags.h
include was fixed within ia64 and mn10300.

Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: David Daney <david.daney@cavium.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/include/linux/smp.h b/include/linux/smp.h
index c181399..c848876 100644 (file)
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -11,6 +11,7 @@
 #include <linux/list.h>
 #include <linux/cpumask.h>
 #include <linux/init.h>
+#include <linux/irqflags.h>
 
 extern void cpu_idle(void);
 
@@ -139,14 +140,17 @@ static inline int up_smp_call_function(smp_call_func_t func, void *info)
 }
 #define smp_call_function(func, info, wait) \
                        (up_smp_call_function(func, info))
-#define on_each_cpu(func, info, wait)          \
-       ({                                      \
-               unsigned long __flags;          \
-               local_irq_save(__flags);        \
-               func(info);                     \
-               local_irq_restore(__flags);     \
-               0;                              \
-       })
+
+static inline int on_each_cpu(smp_call_func_t func, void *info, int wait)
+{
+       unsigned long flags;
+
+       local_irq_save(flags);
+       func(info);
+       local_irq_restore(flags);
+       return 0;
+}
+
 /*
  * Note we still need to test the mask even for UP
  * because we actually can get an empty mask from