Messages in this thread | | | From | Valentin Schneider <> | Subject | Re: [PATCH v1] sched/topology: Make compiler happy about unused constant definitions | Date | Mon, 24 Aug 2020 18:09:41 +0100 |
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Hi,
On 24/08/20 16:39, Andy Shevchenko wrote: > Compilation of almost each file ends up with > > In file included from .../include/linux/energy_model.h:10, > from .../include/linux/device.h:16, > from .../drivers/spi/spi.c:8: > .../include/linux/sched/topology.h:30:27: warning: ‘SD_DEGENERATE_GROUPS_MASK’ defined but not used [-Wunused-const-variable=] > 30 | static const unsigned int SD_DEGENERATE_GROUPS_MASK = > | ^~~~~~~~~~~~~~~~~~~~~~~~~ > ... > > Make compiler happy by annotating the static constants with __maybwe_unused. >
That should see some use as long as the build is for SMP. This whole region is guarded by #ifdef CONFIG_SMP, so an !SMP build shouldn't trigger this.
With what config/kernel are you getting this?
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