mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 04:34:11 +08:00
11369f356b
* Strengthen the return type for the _node_to_cpumask_ptr to be
a const pointer. This adds compiler checking to insure that
node_to_cpumask_map[] is not changed inadvertently.
Signed-off-by: Mike Travis <travis@sgi.com>
Cc: "akpm@linux-foundation.org" <akpm@linux-foundation.org>
Cc: Yinghai Lu <yhlu.kernel@gmail.com>
Acked-by: Vegard Nossum <vegard.nossum@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/*
|
|
* linux/include/asm-generic/topology.h
|
|
*
|
|
* Written by: Matthew Dobson, IBM Corporation
|
|
*
|
|
* Copyright (C) 2002, IBM Corp.
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
|
|
* NON INFRINGEMENT. See the GNU General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*
|
|
* Send feedback to <colpatch@us.ibm.com>
|
|
*/
|
|
#ifndef _ASM_GENERIC_TOPOLOGY_H
|
|
#define _ASM_GENERIC_TOPOLOGY_H
|
|
|
|
#ifndef CONFIG_NUMA
|
|
|
|
/* Other architectures wishing to use this simple topology API should fill
|
|
in the below functions as appropriate in their own <asm/topology.h> file. */
|
|
#ifndef cpu_to_node
|
|
#define cpu_to_node(cpu) ((void)(cpu),0)
|
|
#endif
|
|
#ifndef parent_node
|
|
#define parent_node(node) ((void)(node),0)
|
|
#endif
|
|
#ifndef node_to_cpumask
|
|
#define node_to_cpumask(node) ((void)node, cpu_online_map)
|
|
#endif
|
|
#ifndef node_to_first_cpu
|
|
#define node_to_first_cpu(node) ((void)(node),0)
|
|
#endif
|
|
#ifndef pcibus_to_node
|
|
#define pcibus_to_node(bus) ((void)(bus), -1)
|
|
#endif
|
|
|
|
#ifndef pcibus_to_cpumask
|
|
#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
|
|
CPU_MASK_ALL : \
|
|
node_to_cpumask(pcibus_to_node(bus)) \
|
|
)
|
|
#endif
|
|
|
|
#endif /* CONFIG_NUMA */
|
|
|
|
/* returns pointer to cpumask for specified node */
|
|
#ifndef node_to_cpumask_ptr
|
|
|
|
#define node_to_cpumask_ptr(v, node) \
|
|
cpumask_t _##v = node_to_cpumask(node); \
|
|
const cpumask_t *v = &_##v
|
|
|
|
#define node_to_cpumask_ptr_next(v, node) \
|
|
_##v = node_to_cpumask(node)
|
|
#endif
|
|
|
|
#endif /* _ASM_GENERIC_TOPOLOGY_H */
|