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| author | Robert Morris <rtm@csail.mit.edu> | 2019-07-10 14:54:34 -0400 |
|---|---|---|
| committer | Robert Morris <rtm@csail.mit.edu> | 2019-07-10 14:54:34 -0400 |
| commit | 4bc900e78bdbff3ba22ccccd26833cf70fd300b1 (patch) | |
| tree | 43c14444677837a6d36b7a07d2f5ea521d12a106 /kernel/spinlock.c | |
| parent | e6addf25bb1332f8722ea28f2b431d93984f89e5 (diff) | |
| download | xv6-labs-2022-4bc900e78bdbff3ba22ccccd26833cf70fd300b1.tar.xz xv6-labs-2022-4bc900e78bdbff3ba22ccccd26833cf70fd300b1.zip | |
nits
Diffstat (limited to 'kernel/spinlock.c')
| -rw-r--r-- | kernel/spinlock.c | 4 |
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 |