Re: [GIT PATCHES] kbuild updates

[Alistair John Strachan <s0348365@sms.ed.ac.uk>]

On Monday 05 September 2005 21:13, Sam Ravnborg wrote:
> On Mon, Sep 05, 2005 at 08:35:14PM +0100, Alistair John Strachan wrote:
> > On Monday 05 September 2005 18:41, Sam Ravnborg wrote:
> > > Hi Linus.
> > >
> > > kbuild updates as accumulated over the last few months.
> > > All patches has been in -mm in one or several versions.
> > >
> > > Most noteworthy:
> > > 1) -Wundef added to CFLAGS. This is the cause of several new warnings,
> > >    which for the most part has been fixed for now.
> > > 2) "PREEMPT" in UTS_VERSION. So we complain when dealing
> > >    with modules compiled for a wrong kernel
> >
> > How is this different from the preempt module vermagic?
> >
> > ~$ modinfo agpgart | grep vermagic
> > vermagic:       2.6.13 preempt gcc-4.0
>
> My bad. Adding PREEMT to UTS_VERSION makes it visible in uname -a.
>

I see. I can understand adding an extraversion for SMP and experimental 
patches (like Ingo's RT work), but why is it useful to differentiate (by 
name) between preempt and non-preempt kernels? Do distributors wish to 
package both in parallel?

-- 
Cheers,
Alistair.

'No sense being pessimistic, it probably wouldn't work anyway.'
Third year Computer Science undergraduate.
1F2 55 South Clerk Street, Edinburgh, UK.