kernel version

[Marek Kubica]

On Sun, 24 Feb 2013 17:35:00 +0000
jon <jon at jonshouse.co.uk> wrote:

> On Sun, 2013-02-24 at 18:06 +0100, Heinz-Jürgen Oertel wrote:
> > Am Sonntag 24 Februar 2013, 15:36:15 schrieb jon:
> > > I installed the latest version of raspian, got this kernel :
> > > 
> > > Linux raspberrypi 3.6.11+ #375 PREEMPT Tue Feb 12 01:41:07 GMT
> > > 2013 armv6l GNU/Linux
> > > 
> > > Problem is I don't want PREEMPT as it unhelpful to my
> > > application. 
> > > 
> > > A poke around with apt/synaptic does not show any other kernel
> > > versions available.   How do I either change the kernel or
> > > disable preemtion ?
> > > 
> > > Thanks,
> > > Jon
> > > 
> > 
> > Isn't as easy as editing .config 
> > and saying
> > CONFIG_PREEMPT_NONE=y
> > # CONFIG_PREEMPT=y
> > 
> > or using menuconfig
> > Processor type and features  ---> 
> >    Preemption Model (Preemptible Kernel (Low-Latency Desktop))
> > ---> Preemptible Kernel (Low-Latency Desktop) 
> > 
> > Regards
> >     Heinz
> 
> Is this a "linux developer" easy - as in "need to install entire cross
> compiler, and Pi specific patches, kernel sources, test build
> environment etc" or normal human easy as in the Pi will build its own
> kernel ?

No, you just boot it and compile the kernel on your device. That's what
Linux users used to to a couple of years ago. I believe you can get the
package sources via APT, then patch the config, build a .deb and
install that to replace the kernel you don't like.

regards,
Marek