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Subject[tip: locking/core] locking/lockdep: Remove unused @nested argument from lock_release()
The following commit has been merged into the locking/core branch of tip:

Commit-ID: 5facae4f3549b5cf7c0e10ec312a65ffd43b5726
Gitweb: https://git.kernel.org/tip/5facae4f3549b5cf7c0e10ec312a65ffd43b5726
Author: Qian Cai <cai@lca.pw>
AuthorDate: Thu, 19 Sep 2019 12:09:40 -04:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Wed, 09 Oct 2019 12:46:10 +02:00

locking/lockdep: Remove unused @nested argument from lock_release()

Since the following commit:

b4adfe8e05f1 ("locking/lockdep: Remove unused argument in __lock_release")

@nested is no longer used in lock_release(), so remove it from all
lock_release() calls and friends.

Signed-off-by: Qian Cai <cai@lca.pw>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: airlied@linux.ie
Cc: akpm@linux-foundation.org
Cc: alexander.levin@microsoft.com
Cc: daniel@iogearbox.net
Cc: davem@davemloft.net
Cc: dri-devel@lists.freedesktop.org
Cc: duyuyang@gmail.com
Cc: gregkh@linuxfoundation.org
Cc: hannes@cmpxchg.org
Cc: intel-gfx@lists.freedesktop.org
Cc: jack@suse.com
Cc: jlbec@evilplan.or
Cc: joonas.lahtinen@linux.intel.com
Cc: joseph.qi@linux.alibaba.com
Cc: jslaby@suse.com
Cc: juri.lelli@redhat.com
Cc: maarten.lankhorst@linux.intel.com
Cc: mark@fasheh.com
Cc: mhocko@kernel.org
Cc: mripard@kernel.org
Cc: ocfs2-devel@oss.oracle.com
Cc: rodrigo.vivi@intel.com
Cc: sean@poorly.run
Cc: st@kernel.org
Cc: tj@kernel.org
Cc: tytso@mit.edu
Cc: vdavydov.dev@gmail.com
Cc: vincent.guittot@linaro.org
Cc: viro@zeniv.linux.org.uk
Link: https://lkml.kernel.org/r/1568909380-32199-1-git-send-email-cai@lca.pw
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
drivers/gpu/drm/drm_connector.c | 2 +-
drivers/gpu/drm/i915/gem/i915_gem_shrinker.c | 6 ++---
drivers/gpu/drm/i915/gt/intel_engine_pm.c | 2 +-
drivers/gpu/drm/i915/i915_request.c | 2 +-
drivers/tty/tty_ldsem.c | 8 +++---
fs/dcache.c | 2 +-
fs/jbd2/transaction.c | 4 +--
fs/kernfs/dir.c | 4 +--
fs/ocfs2/dlmglue.c | 2 +-
include/linux/jbd2.h | 2 +-
include/linux/lockdep.h | 21 +++++++---------
include/linux/percpu-rwsem.h | 4 +--
include/linux/rcupdate.h | 2 +-
include/linux/rwlock_api_smp.h | 16 ++++++------
include/linux/seqlock.h | 4 +--
include/linux/spinlock_api_smp.h | 8 +++---
include/linux/ww_mutex.h | 2 +-
include/net/sock.h | 2 +-
kernel/bpf/stackmap.c | 2 +-
kernel/cpu.c | 2 +-
kernel/locking/lockdep.c | 3 +--
kernel/locking/mutex.c | 4 +--
kernel/locking/rtmutex.c | 6 ++---
kernel/locking/rwsem.c | 10 ++++----
kernel/printk/printk.c | 10 ++++----
kernel/sched/core.c | 2 +-
lib/locking-selftest.c | 24 +++++++++---------
mm/memcontrol.c | 2 +-
net/core/sock.c | 2 +-
tools/lib/lockdep/include/liblockdep/common.h | 3 +--
tools/lib/lockdep/include/liblockdep/mutex.h | 2 +-
tools/lib/lockdep/include/liblockdep/rwlock.h | 2 +-
tools/lib/lockdep/preload.c | 16 ++++++------
33 files changed, 90 insertions(+), 93 deletions(-)

diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 4c76662..4a8b2e5 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -719,7 +719,7 @@ void drm_connector_list_iter_end(struct drm_connector_list_iter *iter)
__drm_connector_put_safe(iter->conn);
spin_unlock_irqrestore(&config->connector_list_lock, flags);
}
- lock_release(&connector_list_iter_dep_map, 0, _RET_IP_);
+ lock_release(&connector_list_iter_dep_map, _RET_IP_);
}
EXPORT_SYMBOL(drm_connector_list_iter_end);

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
index edd21d1..1a51b35 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
@@ -509,14 +509,14 @@ void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915,
I915_MM_SHRINKER, 0, _RET_IP_);

mutex_acquire(&mutex->dep_map, 0, 0, _RET_IP_);
- mutex_release(&mutex->dep_map, 0, _RET_IP_);
+ mutex_release(&mutex->dep_map, _RET_IP_);

- mutex_release(&i915->drm.struct_mutex.dep_map, 0, _RET_IP_);
+ mutex_release(&i915->drm.struct_mutex.dep_map, _RET_IP_);

fs_reclaim_release(GFP_KERNEL);

if (unlock)
- mutex_release(&i915->drm.struct_mutex.dep_map, 0, _RET_IP_);
+ mutex_release(&i915->drm.struct_mutex.dep_map, _RET_IP_);
}

#define obj_to_i915(obj__) to_i915((obj__)->base.dev)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_pm.c b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
index 65b5ca7..7f64724 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_pm.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_pm.c
@@ -52,7 +52,7 @@ static inline unsigned long __timeline_mark_lock(struct intel_context *ce)
static inline void __timeline_mark_unlock(struct intel_context *ce,
unsigned long flags)
{
- mutex_release(&ce->timeline->mutex.dep_map, 0, _THIS_IP_);
+ mutex_release(&ce->timeline->mutex.dep_map, _THIS_IP_);
local_irq_restore(flags);
}

diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c
index a53777d..e1f1be4 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -1456,7 +1456,7 @@ long i915_request_wait(struct i915_request *rq,
dma_fence_remove_callback(&rq->fence, &wait.cb);

out:
- mutex_release(&rq->engine->gt->reset.mutex.dep_map, 0, _THIS_IP_);
+ mutex_release(&rq->engine->gt->reset.mutex.dep_map, _THIS_IP_);
trace_i915_request_wait_end(rq);
return timeout;
}
diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 60ff236..ce82910 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -303,7 +303,7 @@ static int __ldsem_down_read_nested(struct ld_semaphore *sem,
if (count <= 0) {
lock_contended(&sem->dep_map, _RET_IP_);
if (!down_read_failed(sem, count, timeout)) {
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
return 0;
}
}
@@ -322,7 +322,7 @@ static int __ldsem_down_write_nested(struct ld_semaphore *sem,
if ((count & LDSEM_ACTIVE_MASK) != LDSEM_ACTIVE_BIAS) {
lock_contended(&sem->dep_map, _RET_IP_);
if (!down_write_failed(sem, count, timeout)) {
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
return 0;
}
}
@@ -390,7 +390,7 @@ void ldsem_up_read(struct ld_semaphore *sem)
{
long count;

- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);

count = atomic_long_add_return(-LDSEM_READ_BIAS, &sem->count);
if (count < 0 && (count & LDSEM_ACTIVE_MASK) == 0)
@@ -404,7 +404,7 @@ void ldsem_up_write(struct ld_semaphore *sem)
{
long count;

- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);

count = atomic_long_add_return(-LDSEM_WRITE_BIAS, &sem->count);
if (count < 0)
diff --git a/fs/dcache.c b/fs/dcache.c
index e88cf05..f7931b6 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1319,7 +1319,7 @@ resume:

if (!list_empty(&dentry->d_subdirs)) {
spin_unlock(&this_parent->d_lock);
- spin_release(&dentry->d_lock.dep_map, 1, _RET_IP_);
+ spin_release(&dentry->d_lock.dep_map, _RET_IP_);
this_parent = dentry;
spin_acquire(&this_parent->d_lock.dep_map, 0, 1, _RET_IP_);
goto repeat;
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index bee8498..b25ebdc 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -713,7 +713,7 @@ int jbd2__journal_restart(handle_t *handle, int nblocks, gfp_t gfp_mask)
if (need_to_start)
jbd2_log_start_commit(journal, tid);

- rwsem_release(&journal->j_trans_commit_map, 1, _THIS_IP_);
+ rwsem_release(&journal->j_trans_commit_map, _THIS_IP_);
handle->h_buffer_credits = nblocks;
/*
* Restore the original nofs context because the journal restart
@@ -1848,7 +1848,7 @@ int jbd2_journal_stop(handle_t *handle)
wake_up(&journal->j_wait_transaction_locked);
}

- rwsem_release(&journal->j_trans_commit_map, 1, _THIS_IP_);
+ rwsem_release(&journal->j_trans_commit_map, _THIS_IP_);

if (wait_for_commit)
err = jbd2_log_wait_commit(journal, tid);
diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c
index 6ebae6b..c45b82f 100644
--- a/fs/kernfs/dir.c
+++ b/fs/kernfs/dir.c
@@ -438,7 +438,7 @@ void kernfs_put_active(struct kernfs_node *kn)
return;

if (kernfs_lockdep(kn))
- rwsem_release(&kn->dep_map, 1, _RET_IP_);
+ rwsem_release(&kn->dep_map, _RET_IP_);
v = atomic_dec_return(&kn->active);
if (likely(v != KN_DEACTIVATED_BIAS))
return;
@@ -476,7 +476,7 @@ static void kernfs_drain(struct kernfs_node *kn)

if (kernfs_lockdep(kn)) {
lock_acquired(&kn->dep_map, _RET_IP_);
- rwsem_release(&kn->dep_map, 1, _RET_IP_);
+ rwsem_release(&kn->dep_map, _RET_IP_);
}

kernfs_drain_open_files(kn);
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 6e774c5..1c4c51f 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -1687,7 +1687,7 @@ static void __ocfs2_cluster_unlock(struct ocfs2_super *osb,
spin_unlock_irqrestore(&lockres->l_lock, flags);
#ifdef CONFIG_DEBUG_LOCK_ALLOC
if (lockres->l_lockdep_map.key != NULL)
- rwsem_release(&lockres->l_lockdep_map, 1, caller_ip);
+ rwsem_release(&lockres->l_lockdep_map, caller_ip);
#endif
}

diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 603fbc4..564793c 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -1170,7 +1170,7 @@ struct journal_s
#define jbd2_might_wait_for_commit(j) \
do { \
rwsem_acquire(&j->j_trans_commit_map, 0, 0, _THIS_IP_); \
- rwsem_release(&j->j_trans_commit_map, 1, _THIS_IP_); \
+ rwsem_release(&j->j_trans_commit_map, _THIS_IP_); \
} while (0)

/* journal feature predicate functions */
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index b8a835f..c50d01e 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -349,8 +349,7 @@ extern void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
int trylock, int read, int check,
struct lockdep_map *nest_lock, unsigned long ip);

-extern void lock_release(struct lockdep_map *lock, int nested,
- unsigned long ip);
+extern void lock_release(struct lockdep_map *lock, unsigned long ip);

/*
* Same "read" as for lock_acquire(), except -1 means any.
@@ -428,7 +427,7 @@ static inline void lockdep_set_selftest_task(struct task_struct *task)
}

# define lock_acquire(l, s, t, r, c, n, i) do { } while (0)
-# define lock_release(l, n, i) do { } while (0)
+# define lock_release(l, i) do { } while (0)
# define lock_downgrade(l, i) do { } while (0)
# define lock_set_class(l, n, k, s, i) do { } while (0)
# define lock_set_subclass(l, s, i) do { } while (0)
@@ -591,42 +590,42 @@ static inline void print_irqtrace_events(struct task_struct *curr)

#define spin_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i)
#define spin_acquire_nest(l, s, t, n, i) lock_acquire_exclusive(l, s, t, n, i)
-#define spin_release(l, n, i) lock_release(l, n, i)
+#define spin_release(l, i) lock_release(l, i)

#define rwlock_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i)
#define rwlock_acquire_read(l, s, t, i) lock_acquire_shared_recursive(l, s, t, NULL, i)
-#define rwlock_release(l, n, i) lock_release(l, n, i)
+#define rwlock_release(l, i) lock_release(l, i)

#define seqcount_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i)
#define seqcount_acquire_read(l, s, t, i) lock_acquire_shared_recursive(l, s, t, NULL, i)
-#define seqcount_release(l, n, i) lock_release(l, n, i)
+#define seqcount_release(l, i) lock_release(l, i)

#define mutex_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i)
#define mutex_acquire_nest(l, s, t, n, i) lock_acquire_exclusive(l, s, t, n, i)
-#define mutex_release(l, n, i) lock_release(l, n, i)
+#define mutex_release(l, i) lock_release(l, i)

#define rwsem_acquire(l, s, t, i) lock_acquire_exclusive(l, s, t, NULL, i)
#define rwsem_acquire_nest(l, s, t, n, i) lock_acquire_exclusive(l, s, t, n, i)
#define rwsem_acquire_read(l, s, t, i) lock_acquire_shared(l, s, t, NULL, i)
-#define rwsem_release(l, n, i) lock_release(l, n, i)
+#define rwsem_release(l, i) lock_release(l, i)

#define lock_map_acquire(l) lock_acquire_exclusive(l, 0, 0, NULL, _THIS_IP_)
#define lock_map_acquire_read(l) lock_acquire_shared_recursive(l, 0, 0, NULL, _THIS_IP_)
#define lock_map_acquire_tryread(l) lock_acquire_shared_recursive(l, 0, 1, NULL, _THIS_IP_)
-#define lock_map_release(l) lock_release(l, 1, _THIS_IP_)
+#define lock_map_release(l) lock_release(l, _THIS_IP_)

#ifdef CONFIG_PROVE_LOCKING
# define might_lock(lock) \
do { \
typecheck(struct lockdep_map *, &(lock)->dep_map); \
lock_acquire(&(lock)->dep_map, 0, 0, 0, 1, NULL, _THIS_IP_); \
- lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
+ lock_release(&(lock)->dep_map, _THIS_IP_); \
} while (0)
# define might_lock_read(lock) \
do { \
typecheck(struct lockdep_map *, &(lock)->dep_map); \
lock_acquire(&(lock)->dep_map, 0, 0, 1, 1, NULL, _THIS_IP_); \
- lock_release(&(lock)->dep_map, 0, _THIS_IP_); \
+ lock_release(&(lock)->dep_map, _THIS_IP_); \
} while (0)

#define lockdep_assert_irqs_enabled() do { \
diff --git a/include/linux/percpu-rwsem.h b/include/linux/percpu-rwsem.h
index 3998cdf..ad2ca2a 100644
--- a/include/linux/percpu-rwsem.h
+++ b/include/linux/percpu-rwsem.h
@@ -93,7 +93,7 @@ static inline void percpu_up_read(struct percpu_rw_semaphore *sem)
__percpu_up_read(sem); /* Unconditional memory barrier */
preempt_enable();

- rwsem_release(&sem->rw_sem.dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->rw_sem.dep_map, _RET_IP_);
}

extern void percpu_down_write(struct percpu_rw_semaphore *);
@@ -118,7 +118,7 @@ extern void percpu_free_rwsem(struct percpu_rw_semaphore *);
static inline void percpu_rwsem_release(struct percpu_rw_semaphore *sem,
bool read, unsigned long ip)
{
- lock_release(&sem->rw_sem.dep_map, 1, ip);
+ lock_release(&sem->rw_sem.dep_map, ip);
#ifdef CONFIG_RWSEM_SPIN_ON_OWNER
if (!read)
atomic_long_set(&sem->rw_sem.owner, RWSEM_OWNER_UNKNOWN);
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 75a2ede..269b31e 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -210,7 +210,7 @@ static inline void rcu_lock_acquire(struct lockdep_map *map)

static inline void rcu_lock_release(struct lockdep_map *map)
{
- lock_release(map, 1, _THIS_IP_);
+ lock_release(map, _THIS_IP_);
}

extern struct lockdep_map rcu_lock_map;
diff --git a/include/linux/rwlock_api_smp.h b/include/linux/rwlock_api_smp.h
index 86ebb4b..abfb53a 100644
--- a/include/linux/rwlock_api_smp.h
+++ b/include/linux/rwlock_api_smp.h
@@ -215,14 +215,14 @@ static inline void __raw_write_lock(rwlock_t *lock)

static inline void __raw_write_unlock(rwlock_t *lock)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_write_unlock(lock);
preempt_enable();
}

static inline void __raw_read_unlock(rwlock_t *lock)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_read_unlock(lock);
preempt_enable();
}
@@ -230,7 +230,7 @@ static inline void __raw_read_unlock(rwlock_t *lock)
static inline void
__raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_read_unlock(lock);
local_irq_restore(flags);
preempt_enable();
@@ -238,7 +238,7 @@ __raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags)

static inline void __raw_read_unlock_irq(rwlock_t *lock)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_read_unlock(lock);
local_irq_enable();
preempt_enable();
@@ -246,7 +246,7 @@ static inline void __raw_read_unlock_irq(rwlock_t *lock)

static inline void __raw_read_unlock_bh(rwlock_t *lock)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_read_unlock(lock);
__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
}
@@ -254,7 +254,7 @@ static inline void __raw_read_unlock_bh(rwlock_t *lock)
static inline void __raw_write_unlock_irqrestore(rwlock_t *lock,
unsigned long flags)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_write_unlock(lock);
local_irq_restore(flags);
preempt_enable();
@@ -262,7 +262,7 @@ static inline void __raw_write_unlock_irqrestore(rwlock_t *lock,

static inline void __raw_write_unlock_irq(rwlock_t *lock)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_write_unlock(lock);
local_irq_enable();
preempt_enable();
@@ -270,7 +270,7 @@ static inline void __raw_write_unlock_irq(rwlock_t *lock)

static inline void __raw_write_unlock_bh(rwlock_t *lock)
{
- rwlock_release(&lock->dep_map, 1, _RET_IP_);
+ rwlock_release(&lock->dep_map, _RET_IP_);
do_raw_write_unlock(lock);
__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
}
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index bcf4cf2..0491d96 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -79,7 +79,7 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s)

local_irq_save(flags);
seqcount_acquire_read(&l->dep_map, 0, 0, _RET_IP_);
- seqcount_release(&l->dep_map, 1, _RET_IP_);
+ seqcount_release(&l->dep_map, _RET_IP_);
local_irq_restore(flags);
}

@@ -384,7 +384,7 @@ static inline void write_seqcount_begin(seqcount_t *s)

static inline void write_seqcount_end(seqcount_t *s)
{
- seqcount_release(&s->dep_map, 1, _RET_IP_);
+ seqcount_release(&s->dep_map, _RET_IP_);
raw_write_seqcount_end(s);
}

diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h
index b762eab..19a9be9 100644
--- a/include/linux/spinlock_api_smp.h
+++ b/include/linux/spinlock_api_smp.h
@@ -147,7 +147,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)

static inline void __raw_spin_unlock(raw_spinlock_t *lock)
{
- spin_release(&lock->dep_map, 1, _RET_IP_);
+ spin_release(&lock->dep_map, _RET_IP_);
do_raw_spin_unlock(lock);
preempt_enable();
}
@@ -155,7 +155,7 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock)
static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock,
unsigned long flags)
{
- spin_release(&lock->dep_map, 1, _RET_IP_);
+ spin_release(&lock->dep_map, _RET_IP_);
do_raw_spin_unlock(lock);
local_irq_restore(flags);
preempt_enable();
@@ -163,7 +163,7 @@ static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock,

static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock)
{
- spin_release(&lock->dep_map, 1, _RET_IP_);
+ spin_release(&lock->dep_map, _RET_IP_);
do_raw_spin_unlock(lock);
local_irq_enable();
preempt_enable();
@@ -171,7 +171,7 @@ static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock)

static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock)
{
- spin_release(&lock->dep_map, 1, _RET_IP_);
+ spin_release(&lock->dep_map, _RET_IP_);
do_raw_spin_unlock(lock);
__local_bh_enable_ip(_RET_IP_, SOFTIRQ_LOCK_OFFSET);
}
diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h
index 3af7c0e..d755425 100644
--- a/include/linux/ww_mutex.h
+++ b/include/linux/ww_mutex.h
@@ -182,7 +182,7 @@ static inline void ww_acquire_done(struct ww_acquire_ctx *ctx)
static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx)
{
#ifdef CONFIG_DEBUG_MUTEXES
- mutex_release(&ctx->dep_map, 0, _THIS_IP_);
+ mutex_release(&ctx->dep_map, _THIS_IP_);

DEBUG_LOCKS_WARN_ON(ctx->acquired);
if (!IS_ENABLED(CONFIG_PROVE_LOCKING))
diff --git a/include/net/sock.h b/include/net/sock.h
index 2c53f1a..e46db0c 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1484,7 +1484,7 @@ static inline void sock_release_ownership(struct sock *sk)
sk->sk_lock.owned = 0;

/* The sk_lock has mutex_unlock() semantics: */
- mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
+ mutex_release(&sk->sk_lock.dep_map, _RET_IP_);
}
}

diff --git a/kernel/bpf/stackmap.c b/kernel/bpf/stackmap.c
index 052580c..dcfe2d3 100644
--- a/kernel/bpf/stackmap.c
+++ b/kernel/bpf/stackmap.c
@@ -338,7 +338,7 @@ static void stack_map_get_build_id_offset(struct bpf_stack_build_id *id_offs,
* up_read_non_owner(). The rwsem_release() is called
* here to release the lock from lockdep's perspective.
*/
- rwsem_release(&current->mm->mmap_sem.dep_map, 1, _RET_IP_);
+ rwsem_release(&current->mm->mmap_sem.dep_map, _RET_IP_);
}
}

diff --git a/kernel/cpu.c b/kernel/cpu.c
index fc28e17..68f8562 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -336,7 +336,7 @@ static void lockdep_acquire_cpus_lock(void)

static void lockdep_release_cpus_lock(void)
{
- rwsem_release(&cpu_hotplug_lock.rw_sem.dep_map, 1, _THIS_IP_);
+ rwsem_release(&cpu_hotplug_lock.rw_sem.dep_map, _THIS_IP_);
}

/*
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 233459c..8123518 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -4491,8 +4491,7 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
}
EXPORT_SYMBOL_GPL(lock_acquire);

-void lock_release(struct lockdep_map *lock, int nested,
- unsigned long ip)
+void lock_release(struct lockdep_map *lock, unsigned long ip)
{
unsigned long flags;

diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c
index 468a9b8..5352ce5 100644
--- a/kernel/locking/mutex.c
+++ b/kernel/locking/mutex.c
@@ -1091,7 +1091,7 @@ err:
err_early_kill:
spin_unlock(&lock->wait_lock);
debug_mutex_free_waiter(&waiter);
- mutex_release(&lock->dep_map, 1, ip);
+ mutex_release(&lock->dep_map, ip);
preempt_enable();
return ret;
}
@@ -1225,7 +1225,7 @@ static noinline void __sched __mutex_unlock_slowpath(struct mutex *lock, unsigne
DEFINE_WAKE_Q(wake_q);
unsigned long owner;

- mutex_release(&lock->dep_map, 1, ip);
+ mutex_release(&lock->dep_map, ip);

/*
* Release the lock before (potentially) taking the spinlock such that
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 2874bf5..851bbb1 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1517,7 +1517,7 @@ int __sched rt_mutex_lock_interruptible(struct rt_mutex *lock)
mutex_acquire(&lock->dep_map, 0, 0, _RET_IP_);
ret = rt_mutex_fastlock(lock, TASK_INTERRUPTIBLE, rt_mutex_slowlock);
if (ret)
- mutex_release(&lock->dep_map, 1, _RET_IP_);
+ mutex_release(&lock->dep_map, _RET_IP_);

return ret;
}
@@ -1561,7 +1561,7 @@ rt_mutex_timed_lock(struct rt_mutex *lock, struct hrtimer_sleeper *timeout)
RT_MUTEX_MIN_CHAINWALK,
rt_mutex_slowlock);
if (ret)
- mutex_release(&lock->dep_map, 1, _RET_IP_);
+ mutex_release(&lock->dep_map, _RET_IP_);

return ret;
}
@@ -1600,7 +1600,7 @@ EXPORT_SYMBOL_GPL(rt_mutex_trylock);
*/
void __sched rt_mutex_unlock(struct rt_mutex *lock)
{
- mutex_release(&lock->dep_map, 1, _RET_IP_);
+ mutex_release(&lock->dep_map, _RET_IP_);
rt_mutex_fastunlock(lock, rt_mutex_slowunlock);
}
EXPORT_SYMBOL_GPL(rt_mutex_unlock);
diff --git a/kernel/locking/rwsem.c b/kernel/locking/rwsem.c
index eef0455..44e6876 100644
--- a/kernel/locking/rwsem.c
+++ b/kernel/locking/rwsem.c
@@ -1504,7 +1504,7 @@ int __sched down_read_killable(struct rw_semaphore *sem)
rwsem_acquire_read(&sem->dep_map, 0, 0, _RET_IP_);

if (LOCK_CONTENDED_RETURN(sem, __down_read_trylock, __down_read_killable)) {
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
return -EINTR;
}

@@ -1546,7 +1546,7 @@ int __sched down_write_killable(struct rw_semaphore *sem)

if (LOCK_CONTENDED_RETURN(sem, __down_write_trylock,
__down_write_killable)) {
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
return -EINTR;
}

@@ -1573,7 +1573,7 @@ EXPORT_SYMBOL(down_write_trylock);
*/
void up_read(struct rw_semaphore *sem)
{
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
__up_read(sem);
}
EXPORT_SYMBOL(up_read);
@@ -1583,7 +1583,7 @@ EXPORT_SYMBOL(up_read);
*/
void up_write(struct rw_semaphore *sem)
{
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
__up_write(sem);
}
EXPORT_SYMBOL(up_write);
@@ -1639,7 +1639,7 @@ int __sched down_write_killable_nested(struct rw_semaphore *sem, int subclass)

if (LOCK_CONTENDED_RETURN(sem, __down_write_trylock,
__down_write_killable)) {
- rwsem_release(&sem->dep_map, 1, _RET_IP_);
+ rwsem_release(&sem->dep_map, _RET_IP_);
return -EINTR;
}

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index ca65327..c8be5a0 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -248,7 +248,7 @@ static void __up_console_sem(unsigned long ip)
{
unsigned long flags;

- mutex_release(&console_lock_dep_map, 1, ip);
+ mutex_release(&console_lock_dep_map, ip);

printk_safe_enter_irqsave(flags);
up(&console_sem);
@@ -1679,20 +1679,20 @@ static int console_lock_spinning_disable_and_check(void)
raw_spin_unlock(&console_owner_lock);

if (!waiter) {
- spin_release(&console_owner_dep_map, 1, _THIS_IP_);
+ spin_release(&console_owner_dep_map, _THIS_IP_);
return 0;
}

/* The waiter is now free to continue */
WRITE_ONCE(console_waiter, false);

- spin_release(&console_owner_dep_map, 1, _THIS_IP_);
+ spin_release(&console_owner_dep_map, _THIS_IP_);

/*
* Hand off console_lock to waiter. The waiter will perform
* the up(). After this, the waiter is the console_lock owner.
*/
- mutex_release(&console_lock_dep_map, 1, _THIS_IP_);
+ mutex_release(&console_lock_dep_map, _THIS_IP_);
return 1;
}

@@ -1746,7 +1746,7 @@ static int console_trylock_spinning(void)
/* Owner will clear console_waiter on hand off */
while (READ_ONCE(console_waiter))
cpu_relax();
- spin_release(&console_owner_dep_map, 1, _THIS_IP_);
+ spin_release(&console_owner_dep_map, _THIS_IP_);

printk_safe_exit_irqrestore(flags);
/*
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index dd05a37..eb42b71 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -3105,7 +3105,7 @@ prepare_lock_switch(struct rq *rq, struct task_struct *next, struct rq_flags *rf
* do an early lockdep release here:
*/
rq_unpin_lock(rq, rf);
- spin_release(&rq->lock.dep_map, 1, _THIS_IP_);
+ spin_release(&rq->lock.dep_map, _THIS_IP_);
#ifdef CONFIG_DEBUG_SPINLOCK
/* this is a valid case when another task releases the spinlock */
rq->lock.owner = next;
diff --git a/lib/locking-selftest.c b/lib/locking-selftest.c
index a170554..14f44f5 100644
--- a/lib/locking-selftest.c
+++ b/lib/locking-selftest.c
@@ -1475,7 +1475,7 @@ static void ww_test_edeadlk_normal(void)

mutex_lock(&o2.base);
o2.ctx = &t2;
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);

WWAI(&t);
t2 = t;
@@ -1500,7 +1500,7 @@ static void ww_test_edeadlk_normal_slow(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

WWAI(&t);
@@ -1527,7 +1527,7 @@ static void ww_test_edeadlk_no_unlock(void)

mutex_lock(&o2.base);
o2.ctx = &t2;
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);

WWAI(&t);
t2 = t;
@@ -1551,7 +1551,7 @@ static void ww_test_edeadlk_no_unlock_slow(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

WWAI(&t);
@@ -1576,7 +1576,7 @@ static void ww_test_edeadlk_acquire_more(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

WWAI(&t);
@@ -1597,7 +1597,7 @@ static void ww_test_edeadlk_acquire_more_slow(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

WWAI(&t);
@@ -1618,11 +1618,11 @@ static void ww_test_edeadlk_acquire_more_edeadlk(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

mutex_lock(&o3.base);
- mutex_release(&o3.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o3.base.dep_map, _THIS_IP_);
o3.ctx = &t2;

WWAI(&t);
@@ -1644,11 +1644,11 @@ static void ww_test_edeadlk_acquire_more_edeadlk_slow(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

mutex_lock(&o3.base);
- mutex_release(&o3.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o3.base.dep_map, _THIS_IP_);
o3.ctx = &t2;

WWAI(&t);
@@ -1669,7 +1669,7 @@ static void ww_test_edeadlk_acquire_wrong(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

WWAI(&t);
@@ -1694,7 +1694,7 @@ static void ww_test_edeadlk_acquire_wrong_slow(void)
int ret;

mutex_lock(&o2.base);
- mutex_release(&o2.base.dep_map, 1, _THIS_IP_);
+ mutex_release(&o2.base.dep_map, _THIS_IP_);
o2.ctx = &t2;

WWAI(&t);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index bdac560..1223346 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -1800,7 +1800,7 @@ static void mem_cgroup_oom_unlock(struct mem_cgroup *memcg)
struct mem_cgroup *iter;

spin_lock(&memcg_oom_lock);
- mutex_release(&memcg_oom_lock_dep_map, 1, _RET_IP_);
+ mutex_release(&memcg_oom_lock_dep_map, _RET_IP_);
for_each_mem_cgroup_tree(iter, memcg)
iter->oom_lock = false;
spin_unlock(&memcg_oom_lock);
diff --git a/net/core/sock.c b/net/core/sock.c
index fac2b4d..50b9303 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -521,7 +521,7 @@ int __sk_receive_skb(struct sock *sk, struct sk_buff *skb,

rc = sk_backlog_rcv(sk, skb);

- mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
+ mutex_release(&sk->sk_lock.dep_map, _RET_IP_);
} else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) {
bh_unlock_sock(sk);
atomic_inc(&sk->sk_drops);
diff --git a/tools/lib/lockdep/include/liblockdep/common.h b/tools/lib/lockdep/include/liblockdep/common.h
index a81d91d..a6d7ee5 100644
--- a/tools/lib/lockdep/include/liblockdep/common.h
+++ b/tools/lib/lockdep/include/liblockdep/common.h
@@ -42,8 +42,7 @@ void lockdep_init_map(struct lockdep_map *lock, const char *name,
void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
int trylock, int read, int check,
struct lockdep_map *nest_lock, unsigned long ip);
-void lock_release(struct lockdep_map *lock, int nested,
- unsigned long ip);
+void lock_release(struct lockdep_map *lock, unsigned long ip);
void lockdep_reset_lock(struct lockdep_map *lock);
void lockdep_register_key(struct lock_class_key *key);
void lockdep_unregister_key(struct lock_class_key *key);
diff --git a/tools/lib/lockdep/include/liblockdep/mutex.h b/tools/lib/lockdep/include/liblockdep/mutex.h
index 783dd0d..bd106b8 100644
--- a/tools/lib/lockdep/include/liblockdep/mutex.h
+++ b/tools/lib/lockdep/include/liblockdep/mutex.h
@@ -42,7 +42,7 @@ static inline int liblockdep_pthread_mutex_lock(liblockdep_pthread_mutex_t *lock

static inline int liblockdep_pthread_mutex_unlock(liblockdep_pthread_mutex_t *lock)
{
- lock_release(&lock->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&lock->dep_map, (unsigned long)_RET_IP_);
return pthread_mutex_unlock(&lock->mutex);
}

diff --git a/tools/lib/lockdep/include/liblockdep/rwlock.h b/tools/lib/lockdep/include/liblockdep/rwlock.h
index 365762e..6d5d293 100644
--- a/tools/lib/lockdep/include/liblockdep/rwlock.h
+++ b/tools/lib/lockdep/include/liblockdep/rwlock.h
@@ -44,7 +44,7 @@ static inline int liblockdep_pthread_rwlock_rdlock(liblockdep_pthread_rwlock_t *

static inline int liblockdep_pthread_rwlock_unlock(liblockdep_pthread_rwlock_t *lock)
{
- lock_release(&lock->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&lock->dep_map, (unsigned long)_RET_IP_);
return pthread_rwlock_unlock(&lock->rwlock);
}

diff --git a/tools/lib/lockdep/preload.c b/tools/lib/lockdep/preload.c
index 76245d1..8f1adbe 100644
--- a/tools/lib/lockdep/preload.c
+++ b/tools/lib/lockdep/preload.c
@@ -270,7 +270,7 @@ int pthread_mutex_lock(pthread_mutex_t *mutex)
*/
r = ll_pthread_mutex_lock(mutex);
if (r)
- lock_release(&__get_lock(mutex)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(mutex)->dep_map, (unsigned long)_RET_IP_);

return r;
}
@@ -284,7 +284,7 @@ int pthread_mutex_trylock(pthread_mutex_t *mutex)
lock_acquire(&__get_lock(mutex)->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_);
r = ll_pthread_mutex_trylock(mutex);
if (r)
- lock_release(&__get_lock(mutex)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(mutex)->dep_map, (unsigned long)_RET_IP_);

return r;
}
@@ -295,7 +295,7 @@ int pthread_mutex_unlock(pthread_mutex_t *mutex)

try_init_preload();

- lock_release(&__get_lock(mutex)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(mutex)->dep_map, (unsigned long)_RET_IP_);
/*
* Just like taking a lock, only in reverse!
*
@@ -355,7 +355,7 @@ int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock)
lock_acquire(&__get_lock(rwlock)->dep_map, 0, 0, 2, 1, NULL, (unsigned long)_RET_IP_);
r = ll_pthread_rwlock_rdlock(rwlock);
if (r)
- lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(rwlock)->dep_map, (unsigned long)_RET_IP_);

return r;
}
@@ -369,7 +369,7 @@ int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock)
lock_acquire(&__get_lock(rwlock)->dep_map, 0, 1, 2, 1, NULL, (unsigned long)_RET_IP_);
r = ll_pthread_rwlock_tryrdlock(rwlock);
if (r)
- lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(rwlock)->dep_map, (unsigned long)_RET_IP_);

return r;
}
@@ -383,7 +383,7 @@ int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock)
lock_acquire(&__get_lock(rwlock)->dep_map, 0, 1, 0, 1, NULL, (unsigned long)_RET_IP_);
r = ll_pthread_rwlock_trywrlock(rwlock);
if (r)
- lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(rwlock)->dep_map, (unsigned long)_RET_IP_);

return r;
}
@@ -397,7 +397,7 @@ int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock)
lock_acquire(&__get_lock(rwlock)->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_);
r = ll_pthread_rwlock_wrlock(rwlock);
if (r)
- lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(rwlock)->dep_map, (unsigned long)_RET_IP_);

return r;
}
@@ -408,7 +408,7 @@ int pthread_rwlock_unlock(pthread_rwlock_t *rwlock)

init_preload();

- lock_release(&__get_lock(rwlock)->dep_map, 0, (unsigned long)_RET_IP_);
+ lock_release(&__get_lock(rwlock)->dep_map, (unsigned long)_RET_IP_);
r = ll_pthread_rwlock_unlock(rwlock);
if (r)
lock_acquire(&__get_lock(rwlock)->dep_map, 0, 0, 0, 1, NULL, (unsigned long)_RET_IP_);
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