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powerpc/cpumask: Dynamically allocate cpu_sibling_map and cpu_core_map cpumasks

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Dynamically allocate cpu_sibling_map and cpu_core_map cpumasks.

We don't need to set_cpu_online() the boot cpu in smp_prepare_boot_cpu,
init/main.c does it for us.

We also postpone setting of the boot cpu in cpu_sibling_map and cpu_core_map
until when the memory allocator is available (smp_prepare_cpus), similar
to x86.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard
2010-04-26 15:32:41 +00:00
committed by Benjamin Herrenschmidt
parent e6532c63cc
commit cc1ba8ea6d
4 changed files with 40 additions and 24 deletions
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arch/powerpc/include/asm/topology.h
+2 -2
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@@ -112,8 +112,8 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev,
#ifdef CONFIG_PPC64
#include <asm/smp.h>
#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
#define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu))
#define topology_thread_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu))
#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu))
#define topology_core_id(cpu) (cpu_to_core_id(cpu))
#endif
#endif