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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2009-01-22 17:53:47 +0100
committerIngo Molnar <mingo@elte.hu>2009-02-14 23:28:22 +0100
commitf510b233cfc7bfd57b6007071c52aa42e3d16b06 (patch)
treed7e91f4d82ee3bed078f5813377b73a1eb7e382f /kernel/lockdep.c
parent3ff176ca47911630d1555f150d36daa2d0819ea9 (diff)
lockdep: get_user_chars() redo
Generic, states independent, get_user_chars(). Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/lockdep.c')
-rw-r--r--kernel/lockdep.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 1b4ee3c0b78..22ced8d4912 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -487,25 +487,25 @@ static char get_usage_char(struct lock_class *class, enum lock_usage_bit bit)
return c;
}
-void
-get_usage_chars(struct lock_class *class, char *c1, char *c2, char *c3,
- char *c4, char *c5, char *c6)
+void get_usage_chars(struct lock_class *class, char usage[LOCK_USAGE_CHARS])
{
- *c1 = get_usage_char(class, LOCK_USED_IN_HARDIRQ);
- *c2 = get_usage_char(class, LOCK_USED_IN_SOFTITQ);
- *c3 = get_usage_char(class, LOCK_USED_IN_HARDIRQ_READ);
- *c4 = get_usage_char(class, LOCK_USED_IN_SOFTITQ_READ);
+ int i = 0;
- *c5 = get_usage_char(class, LOCK_USED_IN_RECLAIM_FS);
- *c6 = get_usage_char(class, LOCK_USED_IN_RECLAIM_FS_READ);
+#define LOCKDEP_STATE(__STATE) \
+ usage[i++] = get_usage_char(class, LOCK_USED_IN_##__STATE); \
+ usage[i++] = get_usage_char(class, LOCK_USED_IN_##__STATE##_READ);
+#include "lockdep_states.h"
+#undef LOCKDEP_STATE
+
+ usage[i] = '\0';
}
static void print_lock_name(struct lock_class *class)
{
- char str[KSYM_NAME_LEN], c1, c2, c3, c4, c5, c6;
+ char str[KSYM_NAME_LEN], usage[LOCK_USAGE_CHARS];
const char *name;
- get_usage_chars(class, &c1, &c2, &c3, &c4, &c5, &c6);
+ get_usage_chars(class, usage);
name = class->name;
if (!name) {
@@ -518,7 +518,7 @@ static void print_lock_name(struct lock_class *class)
if (class->subclass)
printk("/%d", class->subclass);
}
- printk("){%c%c%c%c%c%c}", c1, c2, c3, c4, c5, c6);
+ printk("){%s}", usage);
}
static void print_lockdep_cache(struct lockdep_map *lock)