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authorMike Travis <travis@sgi.com>2008-07-08 14:35:21 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-13 19:11:58 +0200
commit11369f356b66d363a615fde2c5526962f7683674 (patch)
tree9723013073973c413e7cde295e99221ff40afca3 /include/asm-generic
parentce8b06b985ae48f9425de6e4641e77cb3613ef00 (diff)
downloadop-kernel-dev-11369f356b66d363a615fde2c5526962f7683674.zip
op-kernel-dev-11369f356b66d363a615fde2c5526962f7683674.tar.gz
x86: change _node_to_cpumask_ptr to return const ptr
* 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>
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/topology.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index a6aea79..54bbf6e 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -60,7 +60,8 @@
#ifndef node_to_cpumask_ptr
#define node_to_cpumask_ptr(v, node) \
- cpumask_t _##v = node_to_cpumask(node), *v = &_##v
+ 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)
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