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| author |   Rusty Russell <rusty@rustcorp.com.au> | 2008-12-13 21:20:27 +1030 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2008-12-13 21:20:27 +1030 |
| commit | f0b848ce6fe9062d504d997e9e97fe0f87d57217 (patch) | |
| tree | a65d0d47ba2b13f740ea4477617fdcb710ae5889 /include/asm-generic/topology.h | |
| parent | cpumask: Add CONFIG_CPUMASK_OFFSTACK (diff) | |
| download | wireguard-linux-f0b848ce6fe9062d504d997e9e97fe0f87d57217.tar.xz wireguard-linux-f0b848ce6fe9062d504d997e9e97fe0f87d57217.zip | |
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/topology.h')
| -rw-r--r-- | include/asm-generic/topology.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h index 54bbf6e04ee8..0e9e2bc0ee96 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) \ |