Re: modular net drivers

[Richard Gooch <rgooch@xxxxxxxxxxxxxxx>]

Philipp Rumpf writes:
> On Sun, Jun 25, 2000 at 12:29:02PM +1000, Andrew Morton wrote:
> > My patch was quite bogus, of course :(  We can have as many threads as
> > we like spinning and the scheduler will cheerfully timeslice between
> > them.
> 
> Oh ?  I wasn't aware kernel_threads could be rescheduled, unlike
> normal kernel code, and in fact I still don't see how they would.

They can't. Once you're running in the kernel, you can't be pre-empted
by another thread, unless you sleep or otherwise call schedule().
You don't even need to have RT priority to pin a cpu like this.

                                Regards,

                                        Richard....
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