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authorLinus Torvalds <torvalds@linux-foundation.org>2010-04-05 09:16:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-04-05 09:16:37 -0700
commit9e74e7c81a24aee66024fc477786bd1de84e293b (patch)
tree8f172b7e5a86fe6b51e46f1d219e9c0707beab60 /kernel/lockdep.c
parent4946d54cb55e86a156216fcfeed5568514b0830f (diff)
parentd5e50daf92df8afcb701fd717b301985691e802f (diff)
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: module: add stub for is_module_percpu_address percpu, module: implement and use is_kernel/module_percpu_address() module: encapsulate percpu handling better and record percpu_size
Diffstat (limited to 'kernel/lockdep.c')
-rw-r--r--kernel/lockdep.c21
1 files changed, 5 insertions, 16 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index c927a549..9bbb9c8 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -582,9 +582,6 @@ static int static_obj(void *obj)
unsigned long start = (unsigned long) &_stext,
end = (unsigned long) &_end,
addr = (unsigned long) obj;
-#ifdef CONFIG_SMP
- int i;
-#endif
/*
* static variable?
@@ -595,24 +592,16 @@ static int static_obj(void *obj)
if (arch_is_kernel_data(addr))
return 1;
-#ifdef CONFIG_SMP
/*
- * percpu var?
+ * in-kernel percpu var?
*/
- for_each_possible_cpu(i) {
- start = (unsigned long) &__per_cpu_start + per_cpu_offset(i);
- end = (unsigned long) &__per_cpu_start + PERCPU_ENOUGH_ROOM
- + per_cpu_offset(i);
-
- if ((addr >= start) && (addr < end))
- return 1;
- }
-#endif
+ if (is_kernel_percpu_address(addr))
+ return 1;
/*
- * module var?
+ * module static or percpu var?
*/
- return is_module_address(addr);
+ return is_module_address(addr) || is_module_percpu_address(addr);
}
/*
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