Messages in this thread | | | Date | Wed, 25 May 2005 14:45:24 -0700 | Subject | Re: RT patch acceptance | From | Bill Huey (hui) <> |
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On Wed, May 25, 2005 at 05:25:38PM -0400, Tom Vier wrote: > On Wed, May 25, 2005 at 11:05:05PM +0200, Esben Nielsen wrote: > > Long interrupt handlers can be interrupt by _tasks_, not only other > > interrupts! An audio application running in userspace can be scheduled > > over an ethernet interrupt handler copying data from the > > controller into RAM (without DMA). > > Doesn't that greatly increase the risk of the hardware overrunning it's > buffer?
If you have a broken device and associated driver yes. But it's not like irq-threads are going to change that either way.
bill
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