mirror of
https://github.com/torvalds/linux.git
synced 2024-12-22 19:01:37 +00:00
44c36aed43
CC: Richard Henderson <rth@twiddle.net> CC: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Matt Turner <mattst88@gmail.com> CC: linux-alpha@vger.kernel.org CC: Rusty Russell <rusty@rustcorp.com.au> CC: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Anton Blanchard <anton@samba.org>
50 lines
918 B
C
50 lines
918 B
C
#ifndef _ASM_ALPHA_TOPOLOGY_H
|
|
#define _ASM_ALPHA_TOPOLOGY_H
|
|
|
|
#include <linux/smp.h>
|
|
#include <linux/threads.h>
|
|
#include <asm/machvec.h>
|
|
|
|
#ifdef CONFIG_NUMA
|
|
static inline int cpu_to_node(int cpu)
|
|
{
|
|
int node;
|
|
|
|
if (!alpha_mv.cpuid_to_nid)
|
|
return 0;
|
|
|
|
node = alpha_mv.cpuid_to_nid(cpu);
|
|
|
|
#ifdef DEBUG_NUMA
|
|
BUG_ON(node < 0);
|
|
#endif
|
|
|
|
return node;
|
|
}
|
|
|
|
extern struct cpumask node_to_cpumask_map[];
|
|
/* FIXME: This is dumb, recalculating every time. But simple. */
|
|
static const struct cpumask *cpumask_of_node(int node)
|
|
{
|
|
int cpu;
|
|
|
|
if (node == -1)
|
|
return cpu_all_mask;
|
|
|
|
cpumask_clear(&node_to_cpumask_map[node]);
|
|
|
|
for_each_online_cpu(cpu) {
|
|
if (cpu_to_node(cpu) == node)
|
|
cpumask_set_cpu(cpu, node_to_cpumask_map[node]);
|
|
}
|
|
|
|
return &node_to_cpumask_map[node];
|
|
}
|
|
|
|
#define cpumask_of_pcibus(bus) (cpu_online_mask)
|
|
|
|
#endif /* !CONFIG_NUMA */
|
|
# include <asm-generic/topology.h>
|
|
|
|
#endif /* _ASM_ALPHA_TOPOLOGY_H */
|