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author | Thomas Gleixner <tglx@linutronix.de> | 2011-01-23 17:30:09 +0300 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2011-01-27 14:30:38 +0300 |
commit | d04fa5a3ba06c3b7a1c4a6860d0fa4825507a755 (patch) | |
tree | e17ac53c5bb9b60839d4722533fb0b6ba1c87027 /Documentation | |
parent | 10389a15e25fd4784d42de7e0e3fc8c242f2011d (diff) | |
download | linux-d04fa5a3ba06c3b7a1c4a6860d0fa4825507a755.tar.xz |
locking: Remove deprecated lock initializers
Last users are gone. Remove the left overs.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/spinlocks.txt | 24 |
1 files changed, 1 insertions, 23 deletions
diff --git a/Documentation/spinlocks.txt b/Documentation/spinlocks.txt index 178c831b907d..2e3c64b1a6a5 100644 --- a/Documentation/spinlocks.txt +++ b/Documentation/spinlocks.txt @@ -86,7 +86,7 @@ to change the variables it has to get an exclusive write lock. The routines look the same as above: - rwlock_t xxx_lock = RW_LOCK_UNLOCKED; + rwlock_t xxx_lock = __RW_LOCK_UNLOCKED(xxx_lock); unsigned long flags; @@ -196,25 +196,3 @@ appropriate: For static initialization, use DEFINE_SPINLOCK() / DEFINE_RWLOCK() or __SPIN_LOCK_UNLOCKED() / __RW_LOCK_UNLOCKED() as appropriate. - -SPIN_LOCK_UNLOCKED and RW_LOCK_UNLOCKED are deprecated. These interfere -with lockdep state tracking. - -Most of the time, you can simply turn: - static spinlock_t xxx_lock = SPIN_LOCK_UNLOCKED; -into: - static DEFINE_SPINLOCK(xxx_lock); - -Static structure member variables go from: - - struct foo bar { - .lock = SPIN_LOCK_UNLOCKED; - }; - -to: - - struct foo bar { - .lock = __SPIN_LOCK_UNLOCKED(bar.lock); - }; - -Declaration of static rw_locks undergo a similar transformation. |