On Wed, 2018-03-28 at 20:17 -0700, Rodney W. Grimes wrote:
> -- Start of PGP signed section.
> > 
> > On Thu, Mar 29, 2018 at 02:51:04AM +0000, Eitan Adler wrote:
> > > 
> > > Author: eadler
> > > Date: Thu Mar 29 02:50:57 2018
> > > New Revision: 331722
> > > URL: https://svnweb.freebsd.org/changeset/base/331722
> > > 
> > > Log:
> > >   Revert r330897:
> > >   
> > >   This was intended to be a non-functional change. It wasn't. The commit
> > >   message was thus wrong. In addition it broke arm, and merged crypto
> > >   related code.
> > >   
> > >   Revert with prejudice.
> > >   
> > >   This revert skips files touched in r316370 since that commit was since
> > >   MFCed.
> Um, not sure that was the right way to revert :-(.
> 
> > 
> > > 
> > >   This revert also skips files that require $FreeBSD$ property
> > >   changes.
> And more doubts that this is right to skip anything.
> 
> > 
> > > 
> > >   Thank you to those who helped me get out of this mess including but not
> > >   limited to gonzo, kevans, rgrimes.
> > >   
> > >   Requested by: gjb (re)
> > > 
> > I did *not* request this, especially not on re@'s behalf.  I provided
> > input on what I felt was the correct way to proceed in this situation,
> > where a number of commits that were not related to the intent were
> > included.  There is a difference.
> I tried to get this slowed down until we could get to a concenses,
> I think our mess is as big now as it was before.
> 

Or bigger. I've just discovered this commit reverted stuff that wasn't
part of the bad original MFC commit. Things I MFC'd to 11 before this
revert are now missing changes and the symptoms don't show up until a
module fails to load due to missing symbols.

I guess every change on the stable-11 branch between r330897 and
r331722 needs to be audited to see if MFC'd or changed code has been
unintentionally reverted.

Here's the example I've just run across...

r330897 merged this:

https://svnweb.freebsd.org/base/stable/11/sys/dev/spibus/ofw_spibus.c?r1=302408&r2=330897

Then I did some MFCing, then r331722 "reverted" this:

https://svnweb.freebsd.org/base/stable/11/sys/dev/spibus/ofw_spibus.c?r1=331506&r2=331722

-- Ian

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