Re: [v3 PATCH 0/8] crypto: Convert all AEAD users to new interface

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On Wed, 2015-05-27 at 16:39 +0800, Herbert Xu wrote:
> On Wed, May 27, 2015 at 10:15:50AM +0200, Johannes Berg wrote:
> > 
> > Do you think it'd be feasible at all to somehow override the
> > aead_request_set_crypt() and aead_request_set_ad() functions or so to do
> > something that works on older kernels (and thus older crypto subsystems)
> > or do you think I just shouldn't bother looking at that and just add
> > ifdefs to "undo" your changes in this series on older kernels?
> 
> Another option is to backport the new interface to the older kernel.
> 
> You only need something like
> 
> https://patchwork.kernel.org/patch/6452601/
> 
> for the older kernel to support the new interface along with the
> old interface.

Right. Unfortunately, I can't typically rely on being able to make
changes to the kernel our driver is built against, and I don't think we
could do these changes otherwise.

johannes

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