Hello,

Le 7 févr. 2013 à 13:54, Steffen Klassert <steffen.klass...@secunet.com> a 
écrit :

> On Thu, Feb 07, 2013 at 12:08:22PM +0100, Emmanuel Thierry wrote:
>> 
>> This is a nice idea, however you keep the insertion asymmetric. The usage of 
>> xfrm marks in non-conflicting cases will be made possible, but it stays 
>> disturbing for a user as the initial example will still have the same 
>> behavior:
>> * Inserting the marked one then the unmarked will succeed
>> * Inserting the unmarked then the marked one will fail
>> This gives to the user the feeling of an indeterministic behavior of the 
>> xfrm module.
> 
> This was intended. Inserting the marked one then the unmarked
> is a working scenario. Some users might rely on it, so we can't
> change this as you proposed.
> 
> On the other hand, inserting the unmarked one then the marked
> might result in a wrong policy lookup, so we can't allow this.
> The only possibility we have, is inserting with different
> priorites and that's what I'm proposing.
> 
> I fear we have to live with that asymmetric behaviour if
> both policies have the same priority.
> 

Ok, actually i understand the concern of backward compatibility you expose. It 
is true that users might be disturbed if we change such a behavior they would 
rely on.
Anyway, i'm ok with your patch.

Best regards
Emmanuel Thierry--
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