Re: [tip:sched/core] sched/core: Optimize sched_feat() for !SCHED_DEBUG builds

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* Patrick Bellasi <patrick.bellasi@xxxxxxx> wrote:

> On 08-Nov 11:02, Patrick Bellasi wrote:
> > On 08-Nov 11:03, Ingo Molnar wrote:
> > > 
> > > * tip-bot for Patrick Bellasi <tipbot@xxxxxxxxx> wrote:
> > > 
> > > > Commit-ID:  692ee9a79c14c9f707eeb03754a26b9427c0e005
> > > > Gitweb:     https://git.kernel.org/tip/692ee9a79c14c9f707eeb03754a26b9427c0e005
> > > > Author:     Patrick Bellasi <patrick.bellasi@xxxxxxx>
> > > > AuthorDate: Tue, 7 Nov 2017 16:06:58 +0000
> > > > Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
> > > > CommitDate: Wed, 8 Nov 2017 10:17:29 +0100
> > > > 
> > > > sched/core: Optimize sched_feat() for !SCHED_DEBUG builds
> > > 
> > > Hm, I noticed this too late, but lots of architecture defconfig builds now produce 
> > > a ton of warnings:
> > > 
> > >  In file included from /home/mingo/tip/kernel/sched/idle.c:19:0:
> > >  /home/mingo/tip/kernel/sched/sched.h:1275:33: warning: 'sysctl_sched_features' defined but not used [-Wunused-variable]
> > >   static const_debug unsigned int sysctl_sched_features =
> > >                                   ^
> 
> Perhaps just using a "__maybe_unused" attribute should fix the problem.

Yeah, that would be OK in this case.

> Going to compile test with some more archs, can you tell me a
> defconfig failing for you?

Alpha was one of them - don't have the logs of the other warnings anymore.

Thanks,

	Ingo
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