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authorIngo Molnar <mingo@elte.hu>2008-09-04 13:02:35 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-04 13:02:35 +0200
commit42390cdec5f6e6e2ee54f308474a6ef7dd16aa5c (patch)
treee9684c84f53272319a5acd4b9c86503f30274a51 /kernel/lockdep_proc.c
parent11c231a962c740b3216eb6565149ae5a7944cba7 (diff)
parentd210baf53b699fc61aa891c177b71d7082d3b957 (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: arch/x86/kernel/cpu/cyrix.c include/asm-x86/cpufeature.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/lockdep_proc.c')
-rw-r--r--kernel/lockdep_proc.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index fa19aee604c..20dbcbf9c7d 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);
@@ -472,8 +472,9 @@ static void snprint_time(char *buf, size_t bufsiz, s64 nr)
{
unsigned long rem;
+ nr += 5; /* for display rounding */
rem = do_div(nr, 1000); /* XXX: do_div_signed */
- snprintf(buf, bufsiz, "%lld.%02d", (long long)nr, ((int)rem+5)/10);
+ snprintf(buf, bufsiz, "%lld.%02d", (long long)nr, (int)rem/10);
}
static void seq_time(struct seq_file *m, s64 time)