Re: RT patch acceptance

Bill Huey
2005-05-25T21:40:38Z

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