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| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2009-01-22 17:53:47 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-14 23:28:22 +0100 |
| commit | f510b233cfc7bfd57b6007071c52aa42e3d16b06 (patch) | |
| tree | d7e91f4d82ee3bed078f5813377b73a1eb7e382f /kernel/lockdep.c | |
| parent | 3ff176ca47911630d1555f150d36daa2d0819ea9 (diff) | |
| download | lwn-f510b233cfc7bfd57b6007071c52aa42e3d16b06.tar.gz lwn-f510b233cfc7bfd57b6007071c52aa42e3d16b06.zip | |
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.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 1b4ee3c0b789..22ced8d4912f 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) |