Btrfs v0.14 Released

[Jan Engelhardt]

On Friday 2008-05-02 18:26, Jeff Mahoney wrote:
>> 
>> To the best of my knowledge, the AppArmor patches are arch and flavour
>> independent. If CONFIG_SECURITY_APPARMOR exists, then the AA code is
>> compiled. This is certainly the case for Hardy. Neither Kees or myself
>> are aware of any reason why it won't also hold true for Intrepid.
>
>Grumble. The issue isn't whether AA is enabled, it's whether it's
>present in the source. Patching the source with AA modifies a bunch of
>core VFS function prototypes. CONFIG_SECURITY_APPARMOR won't exist if AA
>isn't enabled, but the prototypes will have changed anyway.

So... add an invisible CONFIG_HAVE_APPARMOR, much like
CONFIG_X86_HAVE_CMPXCHG (or whatever it's called), and test for that.
As long as you are not in the mainline kernel, every hack is
forgiven.