Re: Fire Engine??

Andi Kleen
2003-11-26T23:29:52Z

On Wed, 26 Nov 2003 15:13:52 -0800
"David S. Miller" <davem@redhat.com> wrote:

> On Wed, 26 Nov 2003 23:56:41 +0100
> Andi Kleen <ak@suse.de> wrote:
>
> > On Wed, 26 Nov 2003 14:36:20 -0800
> > "David S. Miller" <davem@redhat.com> wrote:
> >
> > > I don't think this is acceptable. It's important that all
> > > of the timestamps are as accurate as they were before.
> >
> > I disagree on that. The window is small and slowing down 99.99999% of all
> > users who never care about this for this extremely obscure
> > misdesigned API does not make much sense to me.
>
> We can't change behavior like this. Every time we've tried to
> do it, we've been burnt. Remember nonlocal-bind?

The behaviour is not really changed, just the precision of the timestamp
is temporarily (a few tens of ms on a busy network) worse.

And the jitter in this timestamp is already higher than this when
you consider queueing delays and interrupt mitigation in the driver.

-Andi