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SubjectRe: 2.4.18 Preempt Freezeups
Date
On March 15, 2002 03:28 pm, Alan Cox wrote:
> > 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?
>
> SMP safe code
> Actual source code when recompiling modules
> Reviewing things like driver code use of disable_irq by hand
> Reviewing driver code for situations where it requires a small timing delay
> and a large one is unacceptable

Has anyone found one of those yet?

> Checking anywhere you use the cpu id that you don't do somthing where it
> might change under you (eg per cpu variables)

Is per-cpu data the whole list there?

--
Daniel
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