Re: [ANNOUNCE] Linux 2.6 Real Time Kernel

From: Ingo Molnar
Date: Sun Oct 10 2004 - 14:45:50 EST



* Daniel Walker <dwalker@xxxxxxxxxx> wrote:

> On Sun, 2004-10-10 at 01:46, Ingo Molnar wrote:
> > - the generic irq subsystem: irq threading is a simple ~200-lines,
> > architecture-independent add-on to this. It makes no sense to offer 3
> > different implementations - pick one and help make it work well.
> >
> > - preemptible BKL. Related to this is new debugging infrastructure in
> > -mm that allows the safe and slow conversion of spinlocks to mutexes.
> > In the case of the BKL this conversion is expected to be permanent,
> > for most of the other spinlocks it will be optional - but the
> > debugging code can still be used.
>
> Are you referring to the lock metering? I've ported our changes
> to -mm3-VP-T3 on top of lock metering. It needs some clean up but It
> will be released soon. It's very similar to our rc3 release only
> without the IRQ threads patch.

no, i mean the smp_processor_id() debugger, and the other bits triggered
by CONFIG_DEBUG_PREEMPT.

Ingo
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