On Mon, Aug 23, 2021 at 5:15 AM Viresh Kumar <viresh.kumar(a)linaro.org> wrote:
On 21-08-21, 03:30, kernel test robot wrote:
> tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head: 86ed57fd8c93fdfaabb4f58e78455180fa7d8a84
> commit: c17495b01b72b53bd290f442d39b060e015c7aea [6632/9522] cpufreq: Add callback
to register with energy model
> config: i386-randconfig-a016-20210820 (attached as .config)
> compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
d9c5613e856cf2addfbf892fc4c1ce9ef9feceaa)
> reproduce (this is a W=1 build):
> wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
> chmod +x ~/bin/make.cross
> #
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi...
> git remote add linux-next
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git
> git fetch --no-tags linux-next master
> git checkout c17495b01b72b53bd290f442d39b060e015c7aea
> # save the attached .config to linux build tree
> COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=i386
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp(a)intel.com>
>
> All warnings (new ones prefixed by >>):
>
> static inline void pm_vt_switch_unregister(struct device *dev)
> ^
> In file included from drivers/gpu/drm/i915/gt/intel_llc.c:6:
> In file included from include/linux/cpufreq.h:12:
> In file included from include/linux/cpu.h:17:
> In file included from include/linux/node.h:18:
> include/linux/device.h:653:46: warning: unused parameter 'dev'
[-Wunused-parameter]
> static inline int dev_to_node(struct device *dev)
False positives ? These are mostly inline dummies, which simply return
errors. Their parameters aren't supposed to be used.
It's a clang-14 W=1 build, probably something went wrong with the clang specific
warning flags there. I think we do want "-Wunused -Wno-unused-parameter". Not
sure what changed compared to older clang builds.
Arnd