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author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-03-12 16:54:14 -0700 |
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committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2013-06-10 13:45:25 -0700 |
commit | 99f88919f8fa8a8b01b5306c59c9977b94604df8 (patch) | |
tree | 8e92937651258199944fed1ae2b612f0f693be00 /include/linux | |
parent | efc151c33b971148894789dc7c5589dec46d4348 (diff) | |
download | op-kernel-dev-99f88919f8fa8a8b01b5306c59c9977b94604df8.zip op-kernel-dev-99f88919f8fa8a8b01b5306c59c9977b94604df8.tar.gz |
rcu: Remove srcu_read_lock_raw() and srcu_read_unlock_raw().
These interfaces never did get used, so this commit removes them,
their rcutorture tests, and documentation referencing them.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Reviewed-by: Josh Triplett <josh@joshtriplett.org>
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/srcu.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h index 04f4121..c114614 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -237,47 +237,4 @@ static inline void srcu_read_unlock(struct srcu_struct *sp, int idx) __srcu_read_unlock(sp, idx); } -/** - * srcu_read_lock_raw - register a new reader for an SRCU-protected structure. - * @sp: srcu_struct in which to register the new reader. - * - * Enter an SRCU read-side critical section. Similar to srcu_read_lock(), - * but avoids the RCU-lockdep checking. This means that it is legal to - * use srcu_read_lock_raw() in one context, for example, in an exception - * handler, and then have the matching srcu_read_unlock_raw() in another - * context, for example in the task that took the exception. - * - * However, the entire SRCU read-side critical section must reside within a - * single task. For example, beware of using srcu_read_lock_raw() in - * a device interrupt handler and srcu_read_unlock() in the interrupted - * task: This will not work if interrupts are threaded. - */ -static inline int srcu_read_lock_raw(struct srcu_struct *sp) -{ - unsigned long flags; - int ret; - - local_irq_save(flags); - ret = __srcu_read_lock(sp); - local_irq_restore(flags); - return ret; -} - -/** - * srcu_read_unlock_raw - unregister reader from an SRCU-protected structure. - * @sp: srcu_struct in which to unregister the old reader. - * @idx: return value from corresponding srcu_read_lock_raw(). - * - * Exit an SRCU read-side critical section without lockdep-RCU checking. - * See srcu_read_lock_raw() for more details. - */ -static inline void srcu_read_unlock_raw(struct srcu_struct *sp, int idx) -{ - unsigned long flags; - - local_irq_save(flags); - __srcu_read_unlock(sp, idx); - local_irq_restore(flags); -} - #endif |