Messages in this thread | | | Subject | Re: [patch] preempt-timing-on-2.6.8-rc2-O2 | From | Lee Revell <> | Date | Sat, 07 Aug 2004 22:36:55 -0400 |
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On Sat, 2004-08-07 at 22:33, William Lee Irwin III wrote: > On Sat, Aug 07, 2004 at 10:31:06PM -0400, Lee Revell wrote: > > [<c010019f>] 0xc010019f > > This has to be a false positive, because if there were really ~1ms > > non-preemptible critical sections all over the place I would be getting > > xruns. > > This seems to be 996us spent in do_IRQ() when it interrupts idle tasks. >
I am not sure I understand how preemption can be disabled for 996us and not cause an xrun.
Lee
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