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cpumask: IA64: Introduce cpumask_of_{node,pcibus} to replace {node,pcibus}_to_cpumask

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Impact: New APIs

The old node_to_cpumask/node_to_pcibus returned a cpumask_t: these
return a pointer to a struct cpumask.  Part of removing cpumasks from
the stack.

We can also use the new for_each_cpu_and() to avoid a temporary cpumask,
and a gratuitous test in sn_topology_show.

(Includes fix from KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>)

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: Tony Luck <tony.luck@intel.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
This commit is contained in:
Rusty Russell
2008-12-26 22:23:40 +10:30
parent 86c6f274f5
commit fbb776c3ca
4 changed files with 30 additions and 29 deletions
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2
arch/ia64/kernel/acpi.c
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@@ -1001,7 +1001,7 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
node = pxm_to_node(pxm);
if (node >= MAX_NUMNODES || !node_online(node) ||
cpus_empty(node_to_cpumask(node)))
cpumask_empty(cpumask_of_node(node)))
return AE_OK;
/* We know a gsi to node mapping! */