diff options
| -rw-r--r-- | sys/arm64/arm64/swtch.S | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sys/arm64/arm64/swtch.S b/sys/arm64/arm64/swtch.S index bc2e521..1f20b3d 100644 --- a/sys/arm64/arm64/swtch.S +++ b/sys/arm64/arm64/swtch.S @@ -166,9 +166,8 @@ ENTRY(cpu_switch) */ str x2, [x0, #TD_LOCK] #if defined(SCHED_ULE) && defined(SMP) - /* Read the value in blocked_lock */ - ldr x0, =_C_LABEL(blocked_lock) - ldr x2, [x0] + /* Spin if TD_LOCK points to a blocked_lock */ + ldr x2, =_C_LABEL(blocked_lock) 1: ldar x3, [x1, #TD_LOCK] cmp x3, x2 |
