Re: 2.4.18 Preempt Freezeups
Daniel Phillips (phillips@bonn-fries.net)
Sun, 17 Mar 2002 00:51:27 +0100
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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/