Re: [PATCH] PREEMPT_RT vermagic

[Tom Rini]

On Wed, Aug 31, 2005 at 09:20:17AM +0200, Ingo Molnar wrote:
> 
> * Daniel Walker <dwalker@xxxxxxxxxx> wrote:
> 
> > Ingo,
> > 	This patch adds a vermagic hook so PREEMPT_RT modules can be
> > distinguished from PREEMPT_DESKTOP modules.
> 
> vermagic is very crude and there are zillions of other details and 
> .config flags that might make a module incompatible. You can use 
> CONFIG_MODVERSIONS to get a stronger protection that vermagic, but 
> that's far from perfect too. The right solution is the module signing 
> framework in Fedora. Until that gets merged upstream just dont mix 
> incompatible modules, and keep things tightly packaged.

MODVERSIONS won't get the PREEMPT_RT vs PREEMPT_DESKTOP case right
without this, unless I'm missing something.

-- 
Tom Rini
http://gate.crashing.org/~trini/
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