svn commit: r313268 - head/sys/kern [through -r313271 for atomic_fcmpset use and later: fails on PowerMac G5 "Quad Core"; -r313266 works]

[Steve Kargl]

On Thu, Mar 02, 2017 at 01:10:21PM +0100, Mateusz Guzik wrote:
> On Wed, Mar 01, 2017 at 09:45:07AM -0800, Mark Millard wrote:
> > 
> > Summary of the transition interval:
> > 
> > So for powerpc64 (and powerpc?) It is a good
> > idea to avoid anything that is after -r313254
> > and before -r314474 in head. (Would this be
> > appropriate for a UPDATING notice given its
> > span?)
> > 
> > There may be other architectures that might have
> > a similar status(?): the last fixes involved were
> > not in Machine Dependent code. (Some architectures
> > are apparently insensitive to the errors, such as
> > amd64).
> > 
> 
> When following current you are expected to be on the newest revision,
> so I don't think mentioning interim broken releases makes much sense.
> 

Documenting the range may aid those bisecting src/ to find a bug. 
How is one to know that anything in the range that Mark points
out should be skipped on powerpc64?

-- 
Steve