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Subject[PATCH v6 09/46] CPU hotplug: Convert preprocessor macros to static inline functions
Date
On 12/05/2012 06:10 AM, Andrew Morton wrote:
"static inline C functions would be preferred if possible. Feel free to
fix up the wrong crufty surrounding code as well ;-)"

Convert the macros in the CPU hotplug code to static inline C functions.

Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
---

include/linux/cpu.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index cf24da1..eb79f47 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -198,10 +198,10 @@ static inline void cpu_hotplug_driver_unlock(void)

#else /* CONFIG_HOTPLUG_CPU */

-#define get_online_cpus() do { } while (0)
-#define put_online_cpus() do { } while (0)
-#define get_online_cpus_atomic() do { } while (0)
-#define put_online_cpus_atomic() do { } while (0)
+static inline void get_online_cpus(void) {}
+static inline void put_online_cpus(void) {}
+static inline void get_online_cpus_atomic(void) {}
+static inline void put_online_cpus_atomic(void) {}
#define hotcpu_notifier(fn, pri) do { (void)(fn); } while (0)
/* These aren't inline functions due to a GCC bug. */
#define register_hotcpu_notifier(nb) ({ (void)(nb); 0; })


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