Re: Excluding some device types from persistent-net (xen, s390)

[Kay Sievers <kay.sievers@vrfy.org>]

On Thu, 2007-04-12 at 12:33 +0200, Matthias Schwarzott wrote:
> On Donnerstag, 12. April 2007, you wrote:
> > On 4/12/07, Matthias Schwarzott <zzam@gentoo.org> wrote:
> > > I have a change to persistent-net behaviour, to exclude xen-devices, and
> > > s390-devices.
> >
> > It's not needed, or does not work for xen and s390?
> 
> xen creates random macs per default I think. And s390 does create macs on 
> login or similar? Perhaps someone really using a s390 could comment on this.
> 
> 
> >
> > > Can that rule be formatted better?
> >
> > With the current logic, only one SUBSYSTEMS-key (same for most other
> > keys) is supported per rule.
> > (I have a patch pending, that removes the limitation and just creates
> > a big linear match/action from of the rules, without the limitation on
> > the count of keys, but that patch is not finished now.)
> >
> > > Does that syntax work: SUBSYSTEMS!="xen|ccwgroup"
> > > I saw the ACTION!="add|change" commit, but does that apply to the
> > > SUBSYSTEMS list also?
> >
> > It should work for all match-keys, yes.
> >
> 
> But that means for now I have to use
> SUBSYSTEMS="xen", GOTO="persistent_net_end"
> SUBSYSTEMS="ccwgroup", GOTO="persistent_net_end"

That should work.

> or does 
> SUBSYSTEMS="xen|ccwgroup", GOTO="persistent_net_end"
> or

That should work too, only the != has the weird behavior.

> ...., SUBSYSTEMS!="xen|ccwgroup", ...
> work, as this IS just one SUBSYSTEMS per line.

This will work with the next udev, today:
  !="a|b"
means:
  (!a) || (!b)
which is pretty useless. :)

Kay


-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CIDÞVDEV
_______________________________________________
Linux-hotplug-devel mailing list  http://linux-hotplug.sourceforge.net
Linux-hotplug-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel