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

[Alan Cox <alan _at_ lxorguk.ukuu.org.uk>]

> > I must have missed that in the code. I can see you check __cli() status but
> > 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.
> 
> But you get interrupted by other interrups then so you have the same problem
> reagardless of any preemtion patch you hopefully lose the cpu for a much
> shorter time but still the same problem.

Interrupt paths are well sub millisecond, a pre empt might mean I don't get
the CPU back for measurable chunks of a second.  They are totally different
guarantees. 
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo _at_ vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/