Re: PATCH 2 of 4] cpumask: export cpu_online_map and cpu_possible_mapconsistently

From: Zwane Mwaikambo
Date: Fri Aug 04 2006 - 10:28:53 EST


On Fri, 4 Aug 2006, Greg Banks wrote:

> cpumask: ensure that the cpu_online_map and cpu_possible_map bitmasks,
> and hence all the macros in <linux/cpumask.h> that require them, are
> available to modules for all supported combinations of architecture
> and CONFIG_SMP.
>
> Signed-off-by: Greg Banks <gnb@xxxxxxxxxxxxxxxxx>
> ---
>
> arch/arm/kernel/smp.c | 2 ++
> arch/cris/arch-v32/kernel/smp.c | 1 +
> arch/sh/kernel/smp.c | 1 +
> kernel/sched.c | 3 +++
> 4 files changed, 7 insertions(+)
>
> Index: linux-2.6.18-rc2/kernel/sched.c
> ===================================================================
> --- linux-2.6.18-rc2.orig/kernel/sched.c 2006-08-01 17:53:25.000000000 +1000
> +++ linux-2.6.18-rc2/kernel/sched.c 2006-08-02 23:01:20.535457863 +1000
> @@ -4348,7 +4348,10 @@ EXPORT_SYMBOL(cpu_present_map);
>
> #ifndef CONFIG_SMP
> cpumask_t cpu_online_map __read_mostly = CPU_MASK_ALL;
> +EXPORT_SYMBOL_GPL(cpu_online_map);

> cpumask_t cpu_possible_map;
> +EXPORT_SYMBOL(cpu_possible_map);
> cpumask_t cpu_online_map;
> +EXPORT_SYMBOL(cpu_online_map);

How come these are of different export types?

Cheers,
Zwane

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