diff options
| author | Andrew Turner <andrew@FreeBSD.org> | 2016-04-25 17:32:08 +0000 |
|---|---|---|
| committer | Andrew Turner <andrew@FreeBSD.org> | 2016-04-25 17:32:08 +0000 |
| commit | ad76caf6420402e3c9242d29962b1f4897cbdcb6 (patch) | |
| tree | e4a586535d340fc169ee01a7f5f12457d77cd7dd /sys/arm64 | |
| parent | 52a510ace98c59da1484bf4f11951f7248a89bb1 (diff) | |
Notes
Diffstat (limited to 'sys/arm64')
| -rw-r--r-- | sys/arm64/include/cpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/arm64/include/cpu.h b/sys/arm64/include/cpu.h index 520729c00247..764383785176 100644 --- a/sys/arm64/include/cpu.h +++ b/sys/arm64/include/cpu.h @@ -50,7 +50,7 @@ #define cpu_getstack(td) ((td)->td_frame->tf_sp) #define cpu_setstack(td, sp) ((td)->td_frame->tf_sp = (sp)) -#define cpu_spinwait() /* nothing */ +#define cpu_spinwait() __asm __volatile("yield" ::: "memory") /* Extract CPU affinity levels 0-3 */ #define CPU_AFF0(mpidr) (u_int)(((mpidr) >> 0) & 0xff) |