diff options
Diffstat (limited to 'kernel/lockdep.c')
| -rw-r--r-- | kernel/lockdep.c | 60 |
1 files changed, 44 insertions, 16 deletions
diff --git a/kernel/lockdep.c b/kernel/lockdep.c index 0b863c83a77..989a60baf97 100644 --- a/kernel/lockdep.c +++ b/kernel/lockdep.c @@ -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: |