[PATCH v2 08/45] CPU hotplug: Convert preprocessor macros to static inline functions
Srivatsa S. Bhat
srivatsa.bhat at linux.vnet.ibm.com
Wed Jun 26 06:26:55 EST 2013
Convert the macros in the CPU hotplug code to static inline C functions.
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Andrew Morton <akpm at linux-foundation.org>
Cc: Tejun Heo <tj at kernel.org>
Cc: "Rafael J. Wysocki" <rjw at sisk.pl>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat at linux.vnet.ibm.com>
---
include/linux/cpu.h | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index a57b25a..85431a0 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -202,10 +202,8 @@ 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 cpu_hotplug_disable() do { } while (0)
-#define cpu_hotplug_enable() do { } while (0)
+static inline void get_online_cpus(void) {}
+static inline void put_online_cpus(void) {}
static inline unsigned int get_online_cpus_atomic(void)
{
@@ -222,6 +220,9 @@ static inline void put_online_cpus_atomic(void)
preempt_enable();
}
+static inline void cpu_hotplug_disable(void) {}
+static inline void cpu_hotplug_enable(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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