tty/ldsem: Convert to regular lockdep annotations

For some reason ldsem has its own lockdep wrappers, make them go away.

Cc: Jiri Slaby <jslaby@suse.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index b989ca26fc78858ea27e3b1c17b4a39c0dab23d5..d4d0dbf4a6d9215d0c78ab026a2b2549243effb9 100644 (file)
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -34,29 +34,6 @@
 #include <linux/sched/task.h>
 
 
-#ifdef CONFIG_DEBUG_LOCK_ALLOC
-# define __acq(l, s, t, r, c, n, i)            \
-                               lock_acquire(&(l)->dep_map, s, t, r, c, n, i)
-# define __rel(l, n, i)                                \
-                               lock_release(&(l)->dep_map, n, i)
-#define lockdep_acquire(l, s, t, i)            __acq(l, s, t, 0, 1, NULL, i)
-#define lockdep_acquire_nest(l, s, t, n, i)    __acq(l, s, t, 0, 1, n, i)
-#define lockdep_acquire_read(l, s, t, i)       __acq(l, s, t, 1, 1, NULL, i)
-#define lockdep_release(l, n, i)               __rel(l, n, i)
-#else
-# define lockdep_acquire(l, s, t, i)           do { } while (0)
-# define lockdep_acquire_nest(l, s, t, n, i)   do { } while (0)
-# define lockdep_acquire_read(l, s, t, i)      do { } while (0)
-# define lockdep_release(l, n, i)              do { } while (0)
-#endif
-
-#ifdef CONFIG_LOCK_STAT
-# define lock_stat(_lock, stat)                lock_##stat(&(_lock)->dep_map, _RET_IP_)
-#else
-# define lock_stat(_lock, stat)                do { } while (0)
-#endif
-
-
 #if BITS_PER_LONG == 64
 # define LDSEM_ACTIVE_MASK     0xffffffffL
 #else
@@ -320,17 +297,17 @@ static int __ldsem_down_read_nested(struct ld_semaphore *sem,
 {
        long count;
 
-       lockdep_acquire_read(sem, subclass, 0, _RET_IP_);
+       rwsem_acquire_read(&sem->dep_map, subclass, 0, _RET_IP_);
 
        count = atomic_long_add_return(LDSEM_READ_BIAS, &sem->count);
        if (count <= 0) {
-               lock_stat(sem, contended);
+               lock_contended(&sem->dep_map, _RET_IP_);
                if (!down_read_failed(sem, count, timeout)) {
-                       lockdep_release(sem, 1, _RET_IP_);
+                       rwsem_release(&sem->dep_map, 1, _RET_IP_);
                        return 0;
                }
        }
-       lock_stat(sem, acquired);
+       lock_acquired(&sem->dep_map, _RET_IP_);
        return 1;
 }
 
@@ -339,17 +316,17 @@ static int __ldsem_down_write_nested(struct ld_semaphore *sem,
 {
        long count;
 
-       lockdep_acquire(sem, subclass, 0, _RET_IP_);
+       rwsem_acquire(&sem->dep_map, subclass, 0, _RET_IP_);
 
        count = atomic_long_add_return(LDSEM_WRITE_BIAS, &sem->count);
        if ((count & LDSEM_ACTIVE_MASK) != LDSEM_ACTIVE_BIAS) {
-               lock_stat(sem, contended);
+               lock_contended(&sem->dep_map, _RET_IP_);
                if (!down_write_failed(sem, count, timeout)) {
-                       lockdep_release(sem, 1, _RET_IP_);
+                       rwsem_release(&sem->dep_map, 1, _RET_IP_);
                        return 0;
                }
        }
-       lock_stat(sem, acquired);
+       lock_acquired(&sem->dep_map, _RET_IP_);
        return 1;
 }
 
@@ -372,8 +349,8 @@ int ldsem_down_read_trylock(struct ld_semaphore *sem)
 
        while (count >= 0) {
                if (atomic_long_try_cmpxchg(&sem->count, &count, count + LDSEM_READ_BIAS)) {
-                       lockdep_acquire_read(sem, 0, 1, _RET_IP_);
-                       lock_stat(sem, acquired);
+                       rwsem_acquire_read(&sem->dep_map, 0, 1, _RET_IP_);
+                       lock_acquired(&sem->dep_map, _RET_IP_);
                        return 1;
                }
        }
@@ -398,8 +375,8 @@ int ldsem_down_write_trylock(struct ld_semaphore *sem)
 
        while ((count & LDSEM_ACTIVE_MASK) == 0) {
                if (atomic_long_try_cmpxchg(&sem->count, &count, count + LDSEM_WRITE_BIAS)) {
-                       lockdep_acquire(sem, 0, 1, _RET_IP_);
-                       lock_stat(sem, acquired);
+                       rwsem_acquire(&sem->dep_map, 0, 1, _RET_IP_);
+                       lock_acquired(&sem->dep_map, _RET_IP_);
                        return 1;
                }
        }
@@ -413,7 +390,7 @@ void ldsem_up_read(struct ld_semaphore *sem)
 {
        long count;
 
-       lockdep_release(sem, 1, _RET_IP_);
+       rwsem_release(&sem->dep_map, 1, _RET_IP_);
 
        count = atomic_long_add_return(-LDSEM_READ_BIAS, &sem->count);
        if (count < 0 && (count & LDSEM_ACTIVE_MASK) == 0)
@@ -427,7 +404,7 @@ void ldsem_up_write(struct ld_semaphore *sem)
 {
        long count;
 
-       lockdep_release(sem, 1, _RET_IP_);
+       rwsem_release(&sem->dep_map, 1, _RET_IP_);
 
        count = atomic_long_add_return(-LDSEM_WRITE_BIAS, &sem->count);
        if (count < 0)