Re: RT and Cascade interrupts

Ingo Molnar
2005-05-13T07:44:53Z

* Daniel Walker <dwalker@mvista.com> wrote:

> It seems like the cascade interrupts could run in threads, but
> i386 doesn't, and I know ARM crashed with cascades in threads. You may
> have a bit of a slow down, but it seems possible. Does anyone have
> some reasoning for why we aren't running the cascades in threads?

are the x86 cascade interrupts real ones in fact? Normally they should
never trigger directly. (except on ARM which has a completely different
notion of cascade irq)

Ingo