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Commit f0b848ce authored by Rusty Russell's avatar Rusty Russell
Browse files

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: default avatarRusty 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>
parent aab46da0

include/asm-generic/topology.h

+13 −1
Original line number Diff line number Diff line
@@ -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) 					\