Re: 2.4.18 Preempt Freezeups

From: Ian Duggan (ian@ianduggan.net)
Date: Fri Mar 15 2002 - 03:38:37 EST


Alan Cox wrote:
>
> > Stock 2.4.18+preempt+mki-adapter+win4lin
> > - Very frequent, and also repeatable every time I
> > try to start win4lin.
>
> pre-empt is almost certainly going to break things like win4lin

What is required for preempt beyond "SMP safe" code? I thought the whole
idea was to make the preemptions transparent to other code by utilizing
the SMP critical regions?

-- Ian

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Ian Duggan ian@ianduggan.net
                              http://www.ianduggan.net
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