continuous quality management

1 files changed, 2 insertions, 2 deletions

diff --git a/spinlock.c b/spinlock.c
index 236235c..891f72c 100644
--- a/spinlock.c
+++ b/spinlock.c
@@ -20,8 +20,8 @@ initlock(struct spinlock *lock, char *name)
 
 // Acquire the lock.
 // Loops (spins) until the lock is acquired.
-// (Because contention is handled by spinning,
-// must not go to sleep holding any locks.)
+// Holding a lock for a long time may cause
+// other CPUs to waste time spinning to acquire it.
 void
 acquire(struct spinlock *lock)
 {