From: Sebastian Andrzej Siewior Date: Mon, 28 Oct 2013 12:19:57 +0100 Subject: wait.h: include atomic.h Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/4.18/older/patches-4.18.7-rt5.tar.xz | CC init/main.o |In file included from include/linux/mmzone.h:9:0, | from include/linux/gfp.h:4, | from include/linux/kmod.h:22, | from include/linux/module.h:13, | from init/main.c:15: |include/linux/wait.h: In function ‘wait_on_atomic_t’: |include/linux/wait.h:982:2: error: implicit declaration of function ‘atomic_read’ [-Werror=implicit-function-declaration] | if (atomic_read(val) == 0) | ^ This pops up on ARM. Non-RT gets its atomic.h include from spinlock.h Signed-off-by: Sebastian Andrzej Siewior --- include/linux/wait.h | 1 + 1 file changed, 1 insertion(+) --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -10,6 +10,7 @@ #include #include +#include typedef struct wait_queue_entry wait_queue_entry_t;