[Yakkety] [PATCH] UBUNTU: [Config] CONFIG_ARM64_ERRATUM_845719=y

[Luis Henriques]

On Tue, Dec 06, 2016 at 10:02:12PM +0000, Colin Ian King wrote:
> >>>> This is enabled for Xenial and not Yakkety (I wonder why the config
> >>>> enforcer is not picking this up...)
> >>>>
> >>>> There is no bug number in this patch, can that be included?  Also
> >>>> reference to "Cortex-A53: 845719: a load might read incorrect data"
> >>>> maybe of use in the patch as it informs us what CPU issue it works around.
> >>>
> >>> Some config options got mistakenly changed in yakkety, especially for
> >>> non-x86 architectures. Only options marked as ENFORCED in the
> >>> annotations file are enforced.
> >>>
> >>> So the patch probably should also mark this option as enforced. It will
> >>> also be needed in zesty.
> >>
> >> But all CONFIG_ARM64_ERRATUM_* aren't marked yet as ENFORCED
> >> in debian.master/config/annotations for yakkety.
> > 
> > Undoubtedly not everything that ought to be enforced is marked as
> > enforced today. If it's critical that all of those options remain
> > enbled, feel free to submit a patch which marks all of them as enforced.
> > 
> > It's less important for the stable releases, but for the development
> > release it will help us make sure we don't turn off options which need
> > to be enabled. It would have prevented this problem in yakkety, for
> > instance :-)
> 
> My gut feeling is this fits into our remit to sort out rather than those
> submitting these kind of config changes as it's our kernel team tool and
> method for catching these and we shouldn't expect community to be
> concerned with the config enforcer details.

Ok, it's not clear if I should wait for a v2 for this patch.  (And there's
only one explicit ACK anyway... :-) )

Cheers,
--
Luís