Re: drivers/opp/of.c:959:12: warning: stack frame size of 1056 bytes in function '_of_add_table_indexed'

[Rong Chen]

On 3/23/21 3:25 PM, Viresh Kumar wrote:
> On 23-03-21, 15:23, kernel test robot wrote:
> > Hi Viresh,
> >
> > FYI, the error/warning still remains.
> >
> > tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > head:   84196390620ac0e5070ae36af84c137c6216a7dc
> > commit: 406e47652161d4f0d9bc4cd6237b36c51497ec75 opp: Create _of_add_table_indexed() to reduce code duplication
> > date:   7 weeks ago
> > config: powerpc64-randconfig-r023-20210323 (attached as .config)
> > compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 14696baaf4c43fe53f738bc292bbe169eed93d5d)
> > 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
> >          # install powerpc64 cross compiling tool for clang build
> >          # apt-get install binutils-powerpc64-linux-gnu
> >          # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=406e47652161d4f0d9bc4cd6237b36c51497ec75
> >          git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
> >          git fetch --no-tags linus master
> >          git checkout 406e47652161d4f0d9bc4cd6237b36c51497ec75
> >          # save the attached .config to linux build tree
> >          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@xxxxxxxxx>
> >
> > All warnings (new ones prefixed by >>):
> >
> > > > drivers/opp/of.c:959:12: warning: stack frame size of 1056 bytes in function '_of_add_table_indexed' [-Wframe-larger-than=]
> >     static int _of_add_table_indexed(struct device *dev, int index)
> >                ^
> >     1 warning generated.
> I have reported this on 1st march as well. Looks to be false positive.

Hi Viresh,

Thanks for the feedback, we'll stop the bot sending such report again.

Best Regards,
Rong Chen