On Tue, Jan 22, 2013 at 01:05:02PM +0530, Srivatsa S. Bhat wrote:
> 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.b...@linux.vnet.ibm.com>
Reviewed-by: Paul E. McKenney <paul...@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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