lockdep: simplify mark_lock_irq() helpers #3
Kill another argument
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 306d0b8..e0a027d 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -1975,7 +1975,7 @@
print_ip_sym(curr->softirq_disable_ip);
}
-static int hardirq_verbose(struct lock_class *class)
+static int HARDIRQ_verbose(struct lock_class *class)
{
#if HARDIRQ_VERBOSE
return class_filter(class);
@@ -1983,7 +1983,7 @@
return 0;
}
-static int softirq_verbose(struct lock_class *class)
+static int SOFTIRQ_verbose(struct lock_class *class)
{
#if SOFTIRQ_VERBOSE
return class_filter(class);
@@ -1991,7 +1991,7 @@
return 0;
}
-static int reclaim_verbose(struct lock_class *class)
+static int RECLAIM_FS_verbose(struct lock_class *class)
{
#if RECLAIM_VERBOSE
return class_filter(class);
@@ -2025,6 +2025,19 @@
return state_rnames[bit >> 2];
}
+static int (*state_verbose_f[])(struct lock_class *class) = {
+#define LOCKDEP_STATE(__STATE) \
+ __STATE##_verbose,
+#include "lockdep_states.h"
+#undef LOCKDEP_STATE
+};
+
+static inline int state_verbose(enum lock_usage_bit bit,
+ struct lock_class *class)
+{
+ return state_verbose_f[bit >> 2](class);
+}
+
static int exclusive_bit(int new_bit)
{
/*
@@ -2046,8 +2059,7 @@
static int
mark_lock_irq_used_in(struct task_struct *curr, struct held_lock *this,
- int new_bit,
- int (*verbose)(struct lock_class *class))
+ int new_bit)
{
const char *name = state_name(new_bit);
const char *rname = state_rname(new_bit);
@@ -2072,7 +2084,7 @@
if (!check_usage_forwards(curr, this, excl_bit + 1, rname))
return 0;
#endif
- if (verbose(hlock_class(this)))
+ if (state_verbose(new_bit, hlock_class(this)))
return 2;
return 1;
@@ -2080,8 +2092,7 @@
static int
mark_lock_irq_used_in_read(struct task_struct *curr, struct held_lock *this,
- int new_bit,
- int (*verbose)(struct lock_class *class))
+ int new_bit)
{
const char *name = state_name(new_bit);
const char *rname = state_rname(new_bit);
@@ -2096,7 +2107,7 @@
*/
if (!check_usage_forwards(curr, this, excl_bit, name))
return 0;
- if (verbose(hlock_class(this)))
+ if (state_verbose(new_bit, hlock_class(this)))
return 2;
return 1;
@@ -2104,8 +2115,7 @@
static int
mark_lock_irq_enabled(struct task_struct *curr, struct held_lock *this,
- int new_bit,
- int (*verbose)(struct lock_class *class))
+ int new_bit)
{
const char *name = state_name(new_bit);
const char *rname = state_rname(new_bit);
@@ -2131,7 +2141,7 @@
if (!check_usage_backwards(curr, this, excl_bit + 1, rname))
return 0;
#endif
- if (verbose(hlock_class(this)))
+ if (state_verbose(new_bit, hlock_class(this)))
return 2;
return 1;
@@ -2139,8 +2149,7 @@
static int
mark_lock_irq_enabled_read(struct task_struct *curr, struct held_lock *this,
- int new_bit,
- int (*verbose)(struct lock_class *class))
+ int new_bit)
{
const char *name = state_name(new_bit);
const char *rname = state_rname(new_bit);
@@ -2170,44 +2179,24 @@
switch(new_bit) {
case LOCK_USED_IN_HARDIRQ:
- return mark_lock_irq_used_in(curr, this, new_bit,
- hardirq_verbose);
case LOCK_USED_IN_SOFTIRQ:
- return mark_lock_irq_used_in(curr, this, new_bit,
- softirq_verbose);
case LOCK_USED_IN_RECLAIM_FS:
- return mark_lock_irq_used_in(curr, this, new_bit,
- reclaim_verbose);
+ return mark_lock_irq_used_in(curr, this, new_bit);
case LOCK_USED_IN_HARDIRQ_READ:
- return mark_lock_irq_used_in_read(curr, this, new_bit,
- hardirq_verbose);
case LOCK_USED_IN_SOFTIRQ_READ:
- return mark_lock_irq_used_in_read(curr, this, new_bit,
- softirq_verbose);
case LOCK_USED_IN_RECLAIM_FS_READ:
- return mark_lock_irq_used_in_read(curr, this, new_bit,
- reclaim_verbose);
+ return mark_lock_irq_used_in_read(curr, this, new_bit);
case LOCK_ENABLED_HARDIRQ:
- return mark_lock_irq_enabled(curr, this, new_bit,
- hardirq_verbose);
case LOCK_ENABLED_SOFTIRQ:
- return mark_lock_irq_enabled(curr, this, new_bit,
- softirq_verbose);
case LOCK_ENABLED_RECLAIM_FS:
- return mark_lock_irq_enabled(curr, this, new_bit,
- reclaim_verbose);
+ return mark_lock_irq_enabled(curr, this, new_bit);
case LOCK_ENABLED_HARDIRQ_READ:
- return mark_lock_irq_enabled_read(curr, this, new_bit,
- hardirq_verbose);
case LOCK_ENABLED_SOFTIRQ_READ:
- return mark_lock_irq_enabled_read(curr, this, new_bit,
- softirq_verbose);
case LOCK_ENABLED_RECLAIM_FS_READ:
- return mark_lock_irq_enabled_read(curr, this, new_bit,
- reclaim_verbose);
+ return mark_lock_irq_enabled_read(curr, this, new_bit);
default:
WARN_ON(1);