Re: [PATCH 1/3] Separate IRQ-stacks from 4K-stacks option

[Chris Wedgwood]

On Sun, Sep 12, 2004 at 09:35:42PM +0200, Ingo Molnar wrote:

> no. A 2 msec nonpreemptable delay is a 2 msec delay, irqs on or off
> alike.

maybe im retarded, 2ms seems like a long time --- is this strictly
necessary on modern chipsets?  surely we can fix the code to not do
this for most people without hosing their data?

> but it's not a big problem with IRQ threading, there most hardirqs
> are preemptable.

most?  what determines which and when?
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