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rcu: Remove rcu_swap_protected() 

Now that the calls to rcu_swap_protected() have been replaced by
rcu_replace_pointer(), this commit removes rcu_swap_protected().

Link: https://lore.kernel.org/lkml/CAHk-=wiAsJLw1egFEE=Z7-GGtM6wcvtyytXZA1+BHqta4gg6Hw@mail.gmail.com/
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Cc: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Shane M Seymour <shane.seymour@hpe.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Paul E. McKenney 2019-09-23 16:31:42 -07:00
parent a191c9e9f7
commit 4414abf891
1 changed files with 0 additions and 16 deletions
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16
include/linux/rcupdate.h
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@ -400,22 +400,6 @@ do { \
__tmp; \ __tmp; \
}) })
/**
* rcu_swap_protected() - swap an RCU and a regular pointer
* @rcu_ptr: RCU pointer
* @ptr: regular pointer
* @c: the conditions under which the dereference will take place
*
* Perform swap(@rcu_ptr, @ptr) where @rcu_ptr is an RCU-annotated pointer and
* @c is the argument that is passed to the rcu_dereference_protected() call
* used to read that pointer.
*/
#define rcu_swap_protected(rcu_ptr, ptr, c) do { \
typeof(ptr) __tmp = rcu_dereference_protected((rcu_ptr), (c)); \
rcu_assign_pointer((rcu_ptr), (ptr)); \
(ptr) = __tmp; \
} while (0)
/** /**
* rcu_access_pointer() - fetch RCU pointer with no dereferencing * rcu_access_pointer() - fetch RCU pointer with no dereferencing
* @p: The pointer to read * @p: The pointer to read