[PATCH v2 08/45] CPU hotplug: Convert preprocessor macros to static inline functions
From: Srivatsa S. Bhat <hidden>
Date: 2013-06-25 20:30:25
Also in:
linux-arch, linux-pm, lkml, netdev
Subsystem:
cpu hotplug, the rest · Maintainers:
Thomas Gleixner, Peter Zijlstra, Linus Torvalds
Convert the macros in the CPU hotplug code to static inline C functions. Cc: Thomas Gleixner <redacted> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Tejun Heo <tj@kernel.org> Cc: "Rafael J. Wysocki" <redacted> Signed-off-by: Srivatsa S. Bhat <redacted> --- 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; })