Re: Preempt switchable.

From: Robert Love (rml@tech9.net)
Date: Fri Mar 21 2003 - 14:55:55 EST


On Fri, 2003-03-21 at 14:48, Maciej Soltysiak wrote:

> would it be possible to turn on/off CONFIG_PREEMPT at runtime, eg. via
> sysctl ?

Sure, make a sysctl and check it in preempt_schedule() and
ret_from_kernel in entry.S before invoking schedule().

But that is not pretty, and I do not think it should go in mainline.
Linus has said as much, too.

        Robert Love

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