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| author | Stephen Hemminger <shemminger@vyatta.com> | 2008-08-15 09:33:05 -0700 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 19:22:04 +0200 |
| commit | df60a8441866153d691ae69b77934904c2de5e0d (patch) | |
| tree | 3a893c0d5bf497408f6e670e38e6a480f7e8b035 /kernel/lockdep_proc.c | |
| parent | 2df8b1d656021e180ab93c8a4b2c9c2923d30b82 (diff) | |
| download | lwn-df60a8441866153d691ae69b77934904c2de5e0d.tar.gz lwn-df60a8441866153d691ae69b77934904c2de5e0d.zip | |
lockdep: fix build if CONFIG_PROVE_LOCKING not defined
If CONFIG_PROVE_LOCKING not defined, then no dependency information
is available.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/lockdep_proc.c')
| -rw-r--r-- | kernel/lockdep_proc.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c index fa19aee604c2..4b194d34d77f 100644 --- a/kernel/lockdep_proc.c +++ b/kernel/lockdep_proc.c @@ -82,7 +82,6 @@ static void print_name(struct seq_file *m, struct lock_class *class) static int l_show(struct seq_file *m, void *v) { - unsigned long nr_forward_deps, nr_backward_deps; struct lock_class *class = v; struct lock_list *entry; char c1, c2, c3, c4; @@ -96,11 +95,10 @@ static int l_show(struct seq_file *m, void *v) #ifdef CONFIG_DEBUG_LOCKDEP seq_printf(m, " OPS:%8ld", class->ops); #endif - nr_forward_deps = lockdep_count_forward_deps(class); - seq_printf(m, " FD:%5ld", nr_forward_deps); - - nr_backward_deps = lockdep_count_backward_deps(class); - seq_printf(m, " BD:%5ld", nr_backward_deps); +#ifdef CONFIG_PROVE_LOCKING + seq_printf(m, " FD:%5ld", lockdep_count_forward_deps(class)); + seq_printf(m, " BD:%5ld", lockdep_count_backward_deps(class)); +#endif get_usage_chars(class, &c1, &c2, &c3, &c4); seq_printf(m, " %c%c%c%c", c1, c2, c3, c4); @@ -325,7 +323,9 @@ static int lockdep_stats_show(struct seq_file *m, void *v) if (class->usage_mask & LOCKF_ENABLED_HARDIRQS_READ) nr_hardirq_read_unsafe++; +#ifdef CONFIG_PROVE_LOCKING sum_forward_deps += lockdep_count_forward_deps(class); +#endif } #ifdef CONFIG_DEBUG_LOCKDEP DEBUG_LOCKS_WARN_ON(debug_atomic_read(&nr_unused_locks) != nr_unused); |