[PATCH 1/2] cpufeature: avoid warning when compiling with clang

Herbert Xu herbert at gondor.apana.org.au
Thu Sep 20 22:46:31 PDT 2018


On Sat, Sep 15, 2018 at 09:38:24PM -0700, Stefan Agner wrote:
> The table id (second) argument to MODULE_DEVICE_TABLE is often
> referenced otherwise. This is not the case for CPU features. This
> leads to warnings when building the kernel with Clang:
>   arch/arm/crypto/aes-ce-glue.c:450:1: warning: variable
>     'cpu_feature_match_AES' is not needed and will not be emitted
>     [-Wunneeded-internal-declaration]
>   module_cpu_feature_match(AES, aes_init);
>   ^
> 
> Avoid warnings by using __maybe_unused, similar to commit 1f318a8bafcf
> ("modules: mark __inittest/__exittest as __maybe_unused").
> 
> Fixes: 67bad2fdb754 ("cpu: add generic support for CPU feature based module autoloading")
> Signed-off-by: Stefan Agner <stefan at agner.ch>
> ---
>  include/linux/cpufeature.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

All applied.  Thanks.
-- 
Email: Herbert Xu <herbert at gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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