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authorRusty Russell <rusty@rustcorp.com.au>2008-12-13 21:20:27 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-13 21:20:27 +1030
commitf0b848ce6fe9062d504d997e9e97fe0f87d57217 (patch)
treea65d0d47ba2b13f740ea4477617fdcb710ae5889 /include/asm-generic
parentaab46da0520af9c99b7802cebe4f14a81ff39415 (diff)
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cpumask: Introduce cpumask_of_{node,pcibus} to replace {node,pcibus}_to_cpumask
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. This defines them in the generic non-NUMA case. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/topology.h14
1 files changed, 13 insertions, 1 deletions
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index 54bbf6e04ee..0e9e2bc0ee9 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -40,6 +40,9 @@
#ifndef node_to_cpumask
#define node_to_cpumask(node) ((void)node, cpu_online_map)
#endif
+#ifndef cpumask_of_node
+#define cpumask_of_node(node) ((void)node, cpu_online_mask)
+#endif
#ifndef node_to_first_cpu
#define node_to_first_cpu(node) ((void)(node),0)
#endif
@@ -54,9 +57,18 @@
)
#endif
+#ifndef cpumask_of_pcibus
+#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
+ cpu_all_mask : \
+ cpumask_of_node(pcibus_to_node(bus)))
+#endif
+
#endif /* CONFIG_NUMA */
-/* returns pointer to cpumask for specified node */
+/*
+ * returns pointer to cpumask for specified node
+ * Deprecated: use "const struct cpumask *mask = cpumask_of_node(node)"
+ */
#ifndef node_to_cpumask_ptr
#define node_to_cpumask_ptr(v, node) \