From 62260f68b48b6bc3b6398c5c35b10696def93dba Mon Sep 17 00:00:00 2001 From: Johannes Lundberg Date: Fri, 21 Jun 2019 16:43:16 +0000 Subject: [PATCH] LinuxKPI: Add atomic_long_sub macro. Reviewed by: imp (mentor), hps Approved by: imp (mentor), hps MFC after: 1 week Differential Revision: D20718 --- sys/compat/linuxkpi/common/include/asm/atomic-long.h | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/compat/linuxkpi/common/include/asm/atomic-long.h b/sys/compat/linuxkpi/common/include/asm/atomic-long.h index d7f839f2541f..108d7f4f7b3a 100644 --- a/sys/compat/linuxkpi/common/include/asm/atomic-long.h +++ b/sys/compat/linuxkpi/common/include/asm/atomic-long.h @@ -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)