Messages in this thread Patch in this message | | | Subject | PATCH 2 of 4] cpumask: export cpu_online_map and cpu_possible_map consistently | From | Greg Banks <> | Date | Fri, 04 Aug 2006 15:35:59 +1000 |
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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@melbourne.sgi.com> ---
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 __read_mostly = CPU_MASK_ALL; +EXPORT_SYMBOL_GPL(cpu_possible_map); #endif long sched_getaffinity(pid_t pid, cpumask_t *mask) Index: linux-2.6.18-rc2/arch/arm/kernel/smp.c =================================================================== --- linux-2.6.18-rc2.orig/arch/arm/kernel/smp.c 2006-07-16 07:53:08.000000000 +1000 +++ linux-2.6.18-rc2/arch/arm/kernel/smp.c 2006-08-02 23:16:11.014268293 +1000 @@ -36,7 +36,9 @@ * The online bitmask indicates that the CPU is up and running. */ cpumask_t cpu_possible_map; +EXPORT_SYMBOL(cpu_possible_map); cpumask_t cpu_online_map; +EXPORT_SYMBOL(cpu_online_map); /* * as from 2.5, kernels no longer have an init_tasks structure Index: linux-2.6.18-rc2/arch/cris/arch-v32/kernel/smp.c =================================================================== --- linux-2.6.18-rc2.orig/arch/cris/arch-v32/kernel/smp.c 2006-07-16 07:53:08.000000000 +1000 +++ linux-2.6.18-rc2/arch/cris/arch-v32/kernel/smp.c 2006-08-02 23:26:25.253636007 +1000 @@ -28,6 +28,7 @@ spinlock_t cris_atomic_locks[] = { [0 .. /* CPU masks */ cpumask_t cpu_online_map = CPU_MASK_NONE; +EXPORT_SYMBOL(cpu_online_map); cpumask_t phys_cpu_present_map = CPU_MASK_NONE; EXPORT_SYMBOL(phys_cpu_present_map); Index: linux-2.6.18-rc2/arch/sh/kernel/smp.c =================================================================== --- linux-2.6.18-rc2.orig/arch/sh/kernel/smp.c 2006-07-16 07:53:08.000000000 +1000 +++ linux-2.6.18-rc2/arch/sh/kernel/smp.c 2006-08-02 23:23:34.284064085 +1000 @@ -42,6 +42,7 @@ cpumask_t cpu_possible_map; EXPORT_SYMBOL(cpu_possible_map); cpumask_t cpu_online_map; +EXPORT_SYMBOL(cpu_online_map); static atomic_t cpus_booted = ATOMIC_INIT(0); /* These are defined by the board-specific code. */ -- Greg Banks, R&D Software Engineer, SGI Australian Software Group. I don't speak for SGI.
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