rcu: Remove rcu_swap_protected() (4414abf8) · Commits · 戴 / test

Now that the calls to rcu_swap_protected() have been replaced by rcu_replace_pointer(), this commit removes rcu_swap_protected().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

include/linux/rcupdate.h

+0 −16

Original line number	Diff line number	Diff line
		@@ -400,22 +400,6 @@ do { \
		__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
		* @p: The pointer to read

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