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Date: Tue, 10 Nov 2009 10:21:16 -0800 From: Stephen Hemminger <shemminger@...tta.com> To: Andi Kleen <andi@...stfloor.org> Cc: Pekka Enberg <penberg@...helsinki.fi>, John Johansen <john.johansen@...onical.com>, linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org Subject: Re: [PATCH 07/12] AppArmor: userspace interfaces On Tue, 10 Nov 2009 17:44:27 +0100 Andi Kleen <andi@...stfloor.org> wrote: > Pekka Enberg <penberg@...helsinki.fi> writes: > > > On Tue, Nov 10, 2009 at 6:13 PM, John Johansen > > <john.johansen@...onical.com> wrote: > >> The current apparmorfs interface is compatible with previous versions > >> of AppArmor. The plans are to deprecate it (hence the config option > >> APPARMOR_COMPAT_24) and replace it with a more sysfs style single > >> entry per file interface. > > > > We don't usually merge compatibility code to handle ABIs that were > > developed out-of-tree. Why should we treat AppArmor differently? > > I would say that always depends on the deployed base of the old ABI. > If there's a lot of users who would get broken I think there's a > good case for merging compat code (I don't know if that is or > isn't the case here). > > A widely used distribution release with the old user land would > probably count. > Then the distribution can maintain a patch to add the necessary translation It is not the upstream kernel's job to maintain compatibility with older out of tree code. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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