diff options
| -rw-r--r-- | sys/kern/kern_intr.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c index 1156883f546c..936cc304f04c 100644 --- a/sys/kern/kern_intr.c +++ b/sys/kern/kern_intr.c @@ -554,22 +554,14 @@ restart: * * If this interrupt source is currently storming, * then throttle it to only fire the handler once - * per clock tick. Each second we go out of storming - * mode to see if the storm has subsided. + * per clock tick. * * If this interrupt source is not currently * storming, but the number of back to back * interrupts exceeds the storm threshold, then * enter storming mode. */ - if (storming) { - tsleep(&count, td->td_priority, "istorm", 1); - if (count > hz) { - storming = 0; - count = 0; - } else - count++; - } else if (intr_storm_threshold != 0 && + if (!storming && intr_storm_threshold != 0 && count >= intr_storm_threshold) { if (!warned) { printf( @@ -578,8 +570,10 @@ restart: warned = 1; } storming = 1; - count = 0; - } else + } + if (storming) + tsleep(&count, td->td_priority, "istorm", 1); + else count++; if (ithd->it_enable != NULL) |