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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>
This commit is contained in:
Peter Zijlstra 2009-01-22 16:24:44 +01:00 committed by Ingo Molnar
parent 6a6904d347
commit 604de3b5b6
1 changed files with 44 additions and 16 deletions
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60
kernel/lockdep.c
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@ -2001,12 +2001,38 @@ static int reclaim_verbose(struct lock_class *class)
#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 @@ mark_lock_irq_used_in(struct task_struct *curr, struct held_lock *this,
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 @@ mark_lock_irq_used_in_read(struct task_struct *curr, struct held_lock *this,
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 @@ mark_lock_irq_enabled(struct task_struct *curr, struct held_lock *this,
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 @@ static int mark_lock_irq(struct task_struct *curr, struct held_lock *this,
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: