ARM kernel patch

Umar Qureshey uq at ecs.fullerton.edu
Tue Oct 19 20:13:38 CEST 2004


Thanks for the info Rolf.  I guess I'll have to upgrade the kernel if I
want to use the ARM board.  For experimentation with RTAI for now, I think I'll
use an old 75 Mhz 486 AST laptop from 1995.

Regards,

Umar

On Tue, 19 Oct 2004, Rolf Offermanns wrote:

> --On Monday, October 18, 2004 19:44:05 -0700 Umar Qureshey
> <uq at ecs.fullerton.edu> wrote:
>
> > Hi,
> >
> > I just downloaded RTAI 3.1.  I noticed that in the rtai-core/arch/arm/
> > directory, the patch is for kernel v2.4.19.  The kernel that I am working
> > with is v2.4.18rmk6.  Do I have to upgrade the kernel to v2.4.19 before I
> > can apply these patches?  Is it possible for me to manually apply these
> > patches to a 2.4.18 kernel or is there some critical thing which 2.4.19
> > has that I absolutely cannot do without?  Which would be the sane way to
> > go?
> >
>
> There were some heavy changes in the way that interrupts are processed
> within the kernel between 2.4.18-rmk and 2.4.19-rmk (to be more specific
> 2.4.19-rmk5 and 2.4.19-rmk7). RMK backported the interrupt processing stuff
> from the 2.5.x kernel tree (please correct me, if I am wrong here). I guess
> you have to use a >= 2.4.19-rmk7 kernel here.
>
> -Rolf
>
> --
> Rolf Offermanns
> SYSGO AG
>





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