arm: Explain why _atomic_subword.h is needed

Sponsored by:	Arm Ltd
Differential Revision:	https://reviews.freebsd.org/D41134

This commit is contained in:

Andrew Turner

2023-07-24 17:58:13 +01:00

parent e0e5127ff4

commit 554cdf8f57

1 changed files with 6 additions and 0 deletions

									
										sys/arm/include/atomic.h
									
		+6
		
												View File
												
				@@ -93,6 +93,12 @@ atomic_swap_long(volatile u_long *p, u_long v)

				#define atomic_store_rel_int		atomic_store_rel_32

				#define atomic_swap_int			atomic_swap_32

				/*

				 * For:

				 *  - atomic_load_acq_8

				 *  - atomic_load_acq_16

				 *  - atomic_testandset_acq_long

				 */

				#include <sys/_atomic_subword.h>

				#endif /* _MACHINE_ATOMIC_H_ */