Messages in this thread | | | Subject | Re: [PATCH] s390 (9/9): no timer interrupts in idle. | From | Martin Schwidefsky <> | Date | Thu, 22 Apr 2004 13:09:22 +0200 |
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> why? Most hardware have an alternative time source for such time stamps. > Timer events *won't* be delivered too late, simply *because* the timer said > "don't bother checking back for X amount of time", so when that time has > expired (eg the delay) then the timer comparison tells the kernel "ok this > one is due now".
Huh? You lost me there. The HZ timer is the interrupt that will trigger the execution of a timer event. If you say "don't bother checking back for X amount of time" the cpu stays in idle doing nothing. You won't get control to execute the timer event.
blue skies, Martin
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