Messages in this thread | | | Date | Fri, 28 Jan 2005 19:51:01 +0100 | From | Ingo Molnar <> | Subject | Re: High resolution timers and BH processing on -RT |
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* George Anzinger <george@mvista.com> wrote:
> A quick comment here on the current RT code. It looks to me like > there is a race in timer delivery. It looks like the softirq is > "raised" by the PIT interrupt code and the jiffie is bumped by the > timer thread. If the softirq gets to run prior to the PIT interrupt > thread we could end up in the run_timer list code with a stale jiffie > value and do nothing. This would delay normal timers for a jiffie and > HRT timers for some time less than a jiffie, depending on when they > were really due. > > I thing we should move the raising of the timer softirq to the PIT > interrupt thread after we release the xtime_lock.
ok - mind sending a patch for this?
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