lockdep: simplify the mark_lock_irq() helpers
In order to unify them, take some arguments away
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 0b863c8..989a60b 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2001,12 +2001,38 @@
#define STRICT_READ_CHECKS 1
+static const char *state_names[] = {
+#define LOCKDEP_STATE(__STATE) \
+ STR(__STATE),
+#include "lockdep_states.h"
+#undef LOCKDEP_STATE
+};
+
+static inline const char *state_name(enum lock_usage_bit bit)
+{
+ return state_names[bit >> 2];
+}
+
+static const char *state_rnames[] = {
+#define LOCKDEP_STATE(__STATE) \
+ STR(__STATE)"-READ",
+#include "lockdep_states.h"
+#undef LOCKDEP_STATE
+};
+
+static inline const char *state_rname(enum lock_usage_bit bit)
+{
+ return state_rnames[bit >> 2];
+}
+
static int
mark_lock_irq_used_in(struct task_struct *curr, struct held_lock *this,
int new_bit, int excl_bit,
- const char *name, const char *rname,
int (*verbose)(struct lock_class *class))
{
+ const char *name = state_name(new_bit);
+ const char *rname = state_rname(new_bit);
+
if (!valid_state(curr, this, new_bit, excl_bit))
return 0;
if (!valid_state(curr, this, new_bit, excl_bit + 1))
@@ -2034,9 +2060,11 @@
static int
mark_lock_irq_used_in_read(struct task_struct *curr, struct held_lock *this,
int new_bit, int excl_bit,
- const char *name, const char *rname,
int (*verbose)(struct lock_class *class))
{
+ const char *name = state_name(new_bit);
+ const char *rname = state_rname(new_bit);
+
if (!valid_state(curr, this, new_bit, excl_bit))
return 0;
/*
@@ -2054,9 +2082,11 @@
static int
mark_lock_irq_enabled(struct task_struct *curr, struct held_lock *this,
int new_bit, int excl_bit,
- const char *name, const char *rname,
int (*verbose)(struct lock_class *class))
{
+ const char *name = state_name(new_bit);
+ const char *rname = state_rname(new_bit);
+
if (!valid_state(curr, this, new_bit, excl_bit))
return 0;
if (!valid_state(curr, this, new_bit, excl_bit + 1))
@@ -2085,9 +2115,11 @@
static int
mark_lock_irq_enabled_read(struct task_struct *curr, struct held_lock *this,
int new_bit, int excl_bit,
- const char *name, const char *rname,
int (*verbose)(struct lock_class *class))
{
+ const char *name = state_name(new_bit);
+ const char *rname = state_rname(new_bit);
+
if (!valid_state(curr, this, new_bit, excl_bit))
return 0;
#if STRICT_READ_CHECKS
@@ -2113,57 +2145,53 @@
case LOCK_USED_IN_HARDIRQ:
return mark_lock_irq_used_in(curr, this, new_bit,
LOCK_ENABLED_HARDIRQ,
- "hard", "hard-read", hardirq_verbose);
+ hardirq_verbose);
case LOCK_USED_IN_SOFTIRQ:
return mark_lock_irq_used_in(curr, this, new_bit,
LOCK_ENABLED_SOFTIRQ,
- "soft", "soft-read", softirq_verbose);
+ softirq_verbose);
case LOCK_USED_IN_RECLAIM_FS:
return mark_lock_irq_used_in(curr, this, new_bit,
LOCK_ENABLED_RECLAIM_FS,
- "reclaim-fs", "reclaim-fs-read",
reclaim_verbose);
case LOCK_USED_IN_HARDIRQ_READ:
return mark_lock_irq_used_in_read(curr, this, new_bit,
LOCK_ENABLED_HARDIRQ,
- "hard", "hard-read", hardirq_verbose);
+ hardirq_verbose);
case LOCK_USED_IN_SOFTIRQ_READ:
return mark_lock_irq_used_in_read(curr, this, new_bit,
LOCK_ENABLED_SOFTIRQ,
- "soft", "soft-read", softirq_verbose);
+ softirq_verbose);
case LOCK_USED_IN_RECLAIM_FS_READ:
return mark_lock_irq_used_in_read(curr, this, new_bit,
LOCK_ENABLED_RECLAIM_FS,
- "reclaim-fs", "reclaim-fs-read",
reclaim_verbose);
case LOCK_ENABLED_HARDIRQ:
return mark_lock_irq_enabled(curr, this, new_bit,
LOCK_USED_IN_HARDIRQ,
- "hard", "hard-read", hardirq_verbose);
+ hardirq_verbose);
case LOCK_ENABLED_SOFTIRQ:
return mark_lock_irq_enabled(curr, this, new_bit,
LOCK_USED_IN_SOFTIRQ,
- "soft", "soft-read", softirq_verbose);
+ softirq_verbose);
case LOCK_ENABLED_RECLAIM_FS:
return mark_lock_irq_enabled(curr, this, new_bit,
LOCK_USED_IN_RECLAIM_FS,
- "reclaim-fs", "reclaim-fs-read",
reclaim_verbose);
case LOCK_ENABLED_HARDIRQ_READ:
return mark_lock_irq_enabled_read(curr, this, new_bit,
LOCK_USED_IN_HARDIRQ,
- "hard", "hard-read", hardirq_verbose);
+ hardirq_verbose);
case LOCK_ENABLED_SOFTIRQ_READ:
return mark_lock_irq_enabled_read(curr, this, new_bit,
LOCK_USED_IN_SOFTIRQ,
- "soft", "soft-read", softirq_verbose);
+ softirq_verbose);
case LOCK_ENABLED_RECLAIM_FS_READ:
return mark_lock_irq_enabled_read(curr, this, new_bit,
LOCK_USED_IN_RECLAIM_FS,
- "reclaim-fs", "reclaim-fs-read",
reclaim_verbose);
default: