Re: [2.4.17/18pre] VM and swap - it's really unusable

Alan Cox
2002-01-12T20:14:57Z

> > I didn't see anywhere you check disable_irq(). Even if you did it doesnt
> > help when I mask the irq on the chip rather than using disable_irq() calls.
>
> Well, if IRQs are disabled we won't have the timer... would not the
> system panic anyhow if schedule() was called while in an interrupt
> handler?

You completely misunderstand.

disable_irq(n)

I disable a single specific interrupt, I don't disable the timer interrupt.
Your code doesn't seem to handle that. Its just one of the examples of where
you really need priority handling, and thats a horrible dark and slippery
slope

Alan