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authorad <ad@NetBSD.org>2019-11-21 20:51:05 +0000
committerad <ad@NetBSD.org>2019-11-21 20:51:05 +0000
commitaf47ee505ce6a21f3ec615717ab7ca8d61b4d164 (patch)
tree07c491d4bc5099e9065d841099d8f86f433ab549 /sys/dev/microcode/rum
parenta1b47594d6229985c76c7500b03f94c4bb1b47f6 (diff)
- Don't give up kpriority boost in preempt(). That's unfair and bad for
interactive response. It should only be dropped on final return to user. - Clear l_dopreempt with atomics and add some comments around concurrency. - Hold proc_lock over the lightning bolt and loadavg calc, no reason not to. - cpu_did_preempt() is useless - don't call it. Will remove soon.
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