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LinuxKPI: Add atomic_long_sub macro.

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Reviewed by:	imp (mentor), hps
Approved by:	imp (mentor), hps
MFC after:	1 week
Differential Revision:	D20718
This commit is contained in:
Johannes Lundberg 2019-06-21 16:43:16 +00:00
parent 83b319101f
commit 62260f68b4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=349276
1 changed files with 1 additions and 0 deletions
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sys/compat/linuxkpi/common/include/asm/atomic-long.h
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@ -42,6 +42,7 @@ typedef struct {
} atomic_long_t;
#define atomic_long_add(i, v) atomic_long_add_return((i), (v))
#define atomic_long_sub(i, v) atomic_long_add_return(-(i), (v))
#define atomic_long_inc_return(v) atomic_long_add_return(1, (v))
#define atomic_long_inc_not_zero(v) atomic_long_add_unless((v), 1, 0)