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arm: Explain why _atomic_subword.h is needed

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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
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6
sys/arm/include/atomic.h
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@ -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_ */