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SubjectRe: Linux 4.18-rc6
On Tue, 24 Jul 2018 09:15:58 +0200
Christian Borntraeger <borntraeger@de.ibm.com> wrote:

> On 07/24/2018 08:18 AM, Martin Schwidefsky wrote:
> > On Mon, 23 Jul 2018 16:17:22 -0700
> > Linus Torvalds <torvalds@linux-foundation.org> wrote:
> >
> >> On Mon, Jul 23, 2018 at 2:23 PM Guenter Roeck <linux@roeck-us.net> wrote:
> >>>
> >>>>
> >>>> Martin - can we just remove the
> >>>>
> >>>> select HAVE_GCC_PLUGINS
> >>>>
> >>>> from the s390 Kconfig file (or perhaps add "if BROKEN" or something to
> >>>> disable it).
> >>>>
> >>>> Because if it's not getting fixed, it shouldn't be exposed.
> >>>>
> >>> The problem only affects 4.18 - the code has been rearranged in -next.
> >>> Only, in my builders, I can't disable a flag for individual releases,
> >>> so I just disabled it completely for s390.
> >>
> >> Well, I'm not going to release a 4.18 with a known problem, so in 4.18
> >> this *will* be disabled if it's not fixed.
> >>
> >> The fact that it might be fixed in linux-next is entirely immaterial
> >> to the release of 4.18.
> >
> > Ok, if gcc with the plugins and an allmodconfig is considered to be
> > important enough to warrant a fix, it can be pulled from here:
> >
> > git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git for-linus
> >
> > Martin Schwidefsky (1):
> > s390: disable gcc plugins
> >
> > Once that is in I will create another patch to undo this one and place
> > it after the early boot rework.
>
> On the list a different fix was proposed about 2 weeks ago,
>
> something like
>
> CFLAGS_als.o += $(DISABLE_LATENT_ENTROPY_PLUGIN)
>
> and I prefer that. Because your patch disables all gcc plugins.

This change would cause trouble with patch dependencies as als.c is moved
to a different directory. I would prefer to disable all gcc plugins for
4.18.

--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.

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