Re: [ANNOUNCE] Linux 2.6 Real Time Kernel

From: Andrew Morton
Date: Sun Oct 10 2004 - 16:23:28 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.

Lockmeter gets in the way of all this activity in a big way. I'll drop it.
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