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-rw-r--r--kernel/spinlock.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/kernel/spinlock.c b/kernel/spinlock.c
index 5a44a46..52bd504 100644
--- a/kernel/spinlock.c
+++ b/kernel/spinlock.c
@@ -18,8 +18,6 @@ initlock(struct spinlock *lk, char *name)
// Acquire the lock.
// Loops (spins) until the lock is acquired.
-// Holding a lock for a long time may cause
-// other CPUs to waste time spinning to acquire it.
void
acquire(struct spinlock *lk)
{
@@ -81,7 +79,7 @@ holding(struct spinlock *lk)
}
// push_off/pop_off are like intr_off()/intr_on() except that they are matched:
-// it takes two pop_off to undo two push_off. Also, if interrupts
+// it takes two pop_off()s to undo two push_off()s. Also, if interrupts
// are initially off, then push_off, pop_off leaves them off.
void