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SubjectRe: [PATCH] nfit: Hide unused functions behind CONFIG_X86
On Mon, Jan 07, 2019 at 09:14:05PM -0800, Dan Williams wrote:
> On Mon, Jan 7, 2019 at 8:59 PM Nathan Chancellor
> <natechancellor@gmail.com> wrote:
> >
> > On arm64 little endian allyesconfig:
> >
> > drivers/acpi/nfit/intel.c:149:12: warning: unused function 'intel_security_unlock' [-Wunused-function]
> > static int intel_security_unlock(struct nvdimm *nvdimm,
> > ^
> > drivers/acpi/nfit/intel.c:230:12: warning: unused function 'intel_security_erase' [-Wunused-function]
> > static int intel_security_erase(struct nvdimm *nvdimm,
> > ^
> > drivers/acpi/nfit/intel.c:279:12: warning: unused function 'intel_security_query_overwrite' [-Wunused-function]
> > static int intel_security_query_overwrite(struct nvdimm *nvdimm)
> > ^
> > drivers/acpi/nfit/intel.c:316:12: warning: unused function 'intel_security_overwrite' [-Wunused-function]
> > static int intel_security_overwrite(struct nvdimm *nvdimm,
> > ^
> > 4 warnings generated.
> >
> > These functions are only used in __intel_security_ops when CONFIG_X86 is
> > set so only define these functions under that same condition.
>
> Thanks for the report, not sure how the kbuild robot missed this. I'd
> prefer marking the functions __maybe_unused rather than expanding the
> ifdef guards.

allyesconfig defaults to big endian, which doesn't built the nfit folder
(haven't looked into the dependency chain to see why). I have been
working with Clang and have a local patch to avoid turning on big endian
mode with it for now (avoids a few other warnings for now).

I can send a v2 with that change if you would like.

Thanks for the quick reply,
Nathan

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