Bug#953569:

["Jason A. Donenfeld" <Jason@zx2c4.com>]

On Fri, Mar 20, 2020 at 10:18 PM Ben Hutchings <ben@decadent.org.uk> wrote:
>
> On Sat, 2020-03-21 at 03:21 +0000, Ben Hutchings wrote:
> > On Tue, 2020-03-10 at 22:23 -0600, Jason A. Donenfeld wrote:
> > > On Tue, Mar 10, 2020 at 8:52 PM Ben Hutchings <ben@decadent.org.uk> wrote:
> > > > On Tue, 2020-03-10 at 17:02 -0600, Jason A. Donenfeld wrote:
> > > > > Please coordinate with me for doing this. Actually, if this sounds
> > > > > interesting to you, I'll backport it myself, along with the missing
> > > > > crypto/ bits, and send you a git bundle of patches for 5.5.
> > > > >
> > > > > In other words, just say "yes please", and I'll supply the rest.
> > > >
> > > > Either a git bundle or quilt patch series is fine.
> > >
> > > Voila:
> > >
> > > https://data.zx2c4.com/wireguard-5.5.8-20a586ec4f5acf195f71caea55c5a33c574078cb69712da591467ffc08dd8b72.zip
> > >
> > > That will apply on top of 5.5.8. Let me know if you have any problems,
> > > and please poke me after this is done so I can test it out.
> > [...]
> >
> > I'm looking through this now, and it seems like you've squashed commits
> > together, e.g. patch #1 combines commits d0e7a2b6d069 and a8e41f6033a0.
> >
> > We generally prefer to have one patch per upstream commit, with a
> > reference to that, so that when we rebase on a new upstream it's easy
> > to see if a patch can be dropped because it's upstream.  (Though in
> > this case we know we can drop all those patches when moving to 5.6, and
> > not before.)
> >
> > But that would also have made it easier to review any backporting
> > adjustments you've made.  Anyway, I'll continue to look.
>
> I've added patches #1-9, but not #10 "crypto: x86/curve25519 - replace
> with formally verified implementation" as it is not in mainlne and
> doesn't seem to be in any subsystem tree yet.

No, it's in Herbert's cryptodev-2.6.git tree.

https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=07b586fe06625b0b610dc3d3a969c51913d143d4
https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git/commit/?id=dc7fc3a53ae158263196b1892b672aedf67796c5