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locks: follow up r313386

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Unfinished diff was committed by accident. The loop in lock_delay
was changed to decrement, but the loop iterator was still incrementing.
This commit is contained in:
Mateusz Guzik 2017-02-07 16:01:07 +00:00
parent 9f0b20a57c
commit 3c798b2b1f
1 changed files with 1 additions and 1 deletions
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2
sys/kern/subr_lock.c
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@ -128,7 +128,7 @@ lock_delay(struct lock_delay_arg *la)
if (__predict_false(la->delay > lc->max))
la->delay = lc->max;
for (i = la->delay; i > 0; i++)
for (i = la->delay; i > 0; i--)
cpu_spinwait();
la->spin_cnt += la->delay;